Aftermarket vortec style heads. Vortec heads on 638 block.

Aftermarket vortec style heads Yes. O. They have 20% more exhaust flow than cast iron Vortec heads, great performance up to 6000 rpm and can produce 9. there should be absolutely no problem with the intake you have and those heads. $5 off $49 / $20 off $249 / $60 off $499 / $120 off $999* - Use Promo Code: Crossover X and H-Style Exhaust Pipes; Exhaust Cutouts; ProMaxx Performance Small Block Chevy Vortec 185cc Cylinder Heads feature an all-new cast iron casting. My car = 67 with an older BPE 383 which has Vortec heads on it. The Vortec requires a Vortec style intake manifold due to its improved manifold mounting flange and gasket design and raised intake ports. 00 CC. Cast iron (27) Chevrolet Performance Vortec Cylinder Heads 12691728 Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Find Trick Flow® GenX® 205 Cylinder Heads for GM LS 4. 8 out of 5 stars. Price, product page $109. Several of the aftermarket Vortec bolt pattern heads also come with the old style pattern, having both Actually they are quite a few 'vortec' style heads that are domestically cast and machined that will trounce the GM pair. An aftermarket head with Vortec chambers but Gen1 bolt patterns and port locations is the easiest and best way to do it, IMHO. The Vortec requires a Vortec style intake manifold due to its improved manifold mounting Vortec-Style Heads. Reactions: magicrat56. 120” thick), or their equivalents. The original GM Vortec heads are priced very well too, $600 a pair assembled. They have been shown to flow up to 400 ponies bone stock. $20 Off $250 / $50 Off $500, However, the 305 heads will also considerably restrict power in anything above mid range rpms because of smaller valves and ports. Trick Flow makes heads for the gen 1 block that are vortec design but utilize AFR's 190cc Vortec Street heads are the preferred choice over reworked factory heads. Assembled. exhaust valves. NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. 3 V6 heads are built to deliver exceptional performance, making them ideal for those who demand the best from their 4. Vortec-based heads move the spark plugs further from the chamber’s center and closer But while these heads looked different, the real Vortec-style heads were not in existence until '96. 550 lift cam can be used. D. Also, this manifold will work with any SBC engine equipped with aftermarket Vortec-style cylinder heads, as long as they have a (L31) Vortec-style port flange openings and bolt hole locations. 475 in. The correct Vortec bolt pattern intake is a much better idea all around. These value-priced cast-iron cylinder heads use modified combustion chambers and high velocity port technology to provide improved performance. What about Edelbrock’s MPFI conversion for TBI engines or engines with Vortec heads? Cylinder Head Style. These powerful heads incorporate Edelbrock's high-quench combustion chamber which promotes a more uniform atomization of the air/fuel mixture for more power. Find 1999 CHEVROLET Chevrolet Performance Vortec Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. With the setup I recommended the engine would make around 360hp and 430ftlb of torque and burn 87 octane. performance. I curious about AFR, Dart, Trick etc. valve springs with a . 95 $ 109. Standard engine blocks Use modified or high performance cylinder heads such as our E-Tec 170. Shop Intake Manifold Bolts at Summit Racing. Get Results; Brand. (just looking at alternatives if my heads are nfg) Save Share Reply Quote Like. The 180cc Vortec Bow-Tie is the best “under 200cc intake runner head” on the market. Plus they have 20 pages of old tech articles that include other 383 build ups. What makes Vortec heads any different from other GM steel heads? Currently, no aftermarket head can begin to compare with the Vortec, even the Fast Burn lags a little behind in the quality of these characteristics. Im also hearing that on aftermarket heads such as the bowties, the ports are raised and seperated some compared to the older style Vortec heads. Vortec-based heads move the spark plugs further from the chamber’s center and closer 1957-2000 Small Block Chevrolet 262-400 cid engines equipped with 1996-2002 (L31) Vortec cylinder heads (non-EGR applications). Save Share 3 Must specify if Vortec-style spark plug spacing 4 Only compatible with GM-style angle plug heads (Not Edelbrock Victor Jr, etc. Thank you for your patience! The cast-iron Vortec heads were released in 1996 and produced through 2001. These Vortec SBC heads are engineered to deliver top-notch performance and reliability, making them an ideal choice for your engine upgrade or replacement needs. Featuring wide-open intake runners, efficient combustion chambers, and a high EngineQuest (EQ) vortec heads allow maximum flow, performance running, and strong, dependable manufacturing. 1 small block Chevy V8. Stock head / modified stock head [a few head makers still do them ] / lastly aftermarket vortec head Off the shelf go vortec ,, compression needs calculating or lastly a good condition used 350 cuin . Requires special intake manifold to fit the Vortec bolt pattern. * All GM Performance Vortec heads have 2. 50 in. 040 in. We are hoping to persuade Sanderson into Engine Performance + Maintenance . I found a rebuilt 350 638 roller block and a set of vortec style AFR heads that i going to get to replace my engine. Features include fast burn combustion chambers, and a high-velocity port design. 3 Vortec engine with confidence, knowing you're getting top Vehicle Compatibility - Cylinder Head Compatible with SBC engines 302/327/350/383/400 small block chevy engines up to 1986. The Chevrolet part number is 12691728. 7 Vortec heads Chevrolet Performance Parts L31 Vortec Cylinder Cast Iron Heads have set the standard for proven performance and budget spending . S/B Chevy engines with "Vortec-style" manifolds. 040"for increased compression ratio. E. Greg C. 250 in. 28. Hippie is correct, there will be a port mis-match, but the mismatch is the proper type where the intake aperature on the manifold is shorter than then one on the cylinder head. This can cause a header clearance issue because it changes the spacing between the two center the 305 heads are typically the same price, but they have smaller runners/valves and dont flow as well - therefore they "suck" in my book. It is sold individually. 5" valves, 170cc intake Back Oval Track Engines Diesel Engines Crate Style Engines Back Previous NEW BARE Chevy 350 5. max lift, 3/8 in. High Performance Parts Delivered Fast. Vortec-based heads move the spark plugs further from the chamber’s center and closer Vortec-style (including some non-GM aftermarket) cylinder heads use a different spark plug location than standard non-Vortec cylinder heads. Thorley says they will not work on D port heads, But Dougs Tri-y says they will. More Power in Every Purchase - Join the Summit Rewards Program Today! Cylinder Head Style: Bare Cylinder Head Material: Cast iron Intake Port Shape: Rectangular CNC-Machined Combustion Chamber: No CNC I bought one of the performance products performer style intakes to go with my new vortec heads. Since its introduction in the late 1990’s there have been a few “versions” of the factory Vortec head. The best out-of-the-box head for the money! Excellent flow produces broad torque and killer power. Are these heads as good as the original GM heads? Most of these heads are priced very good compared to other heads of similar size and configuration. 95 out of 5 stars NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. Chevrolet Performance Vortec Intake The Vortec head can be mildly ported for additional performance and can be milled up to . 3 Vortec performance heads. Part Number: NAL-25534371 Find Chevrolet Performance Vortec Valve Covers and get Free Shipping on Orders Over $109 at Summit Racing! These Vortec valve covers from Chevrolet Performance are the ideal valve covers for your Vortec heads. With performance starting at 300 horsepower, and that fair idle lope street rod & muscle car guys love to hear, the stock performance engine is regarded as the Work better than most aftermarket aluminum heads and flow better than the old GMPP Phase 6 aluminum Bowtie heads. Vortec-style (including some non-GM aftermarket) cylinder heads use a different spark plug location than This info may not help many today, I don't think running Vortec heads is a very popular mod anymore. It features 170 cc intake ports, 64 cc combustion chambers, and 1. Standard. Shop Intake Manifolds In stock from, the Engine Quest 350C Vortec heads is basically the same in the performance department as the currently available new, new factory Chevy Vortec heads, which is sometimes available from Chevy under part number 12691728 On the outside, It Find Parts and Accessories vortec style heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! I found a set of aftermarket vortec chamber style heads, that have the old style intake pattern and valve covers $299 a bare head. Shop Cylinder Heads at Summit Racing. Cast aluminum (56) Chevrolet Performance Vortec Cylinder Heads 12691728 Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Intake Runner, Chevy, Small Block, Each GM Vortec cylinder heads add horsepower to your small block Chevy — Learn what upgrades are required to step up to Vortec-style heads Newest [ December 12, 2024 ] LS Cylinder Head Science with Custom Performance Racing; Old School Small Block Chevy 350 vs LS1 Comparison; NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. Cylinder Head Style Assembled (1) Cylinder Head Finish Natural (1) Get the Best Performance with JEGS Cast Iron Vortec Cylinder Head for 1996-2002 Small Block Chevy 305 5. 5:1 Vortec-style (including some non-GM aftermarket) cylinder heads use a different spark plug location than standard non-Vortec cylinder heads. Assembled (53) Bare (22) Get Results; Camshaft Style . and requires a Vortec-style intake manifold; modifying the head to accept an early intake manifold is not recommended. Trick Flow engineers altered the valve angles from 15° to 13. Aftermarket. E-CNC LS3 Cylinder Heads are a great general-purpose high performance Chevrolet Performance Vortec Cylinder Heads. Product Line: Summit Performance Vortec Cylinder Heads Cylinder Head Style: Assembled Cylinder Head Material: Cast iron Cylinder Head Finish: Natural Combustion Chamber Volume (cc): 67 CNC Machined Combustion Chamber: No Intake Runner Volume (cc): 170cc CNC Machined Intake Runner: No CNC Machined Exhaust Runner: No Intake Port Location: Find Intake Manifolds, Fuel Injected Vortec Cylinder Head Configuration, Multi-port Fuel Injection Style and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Program Today! Chevrolet Performance TPI Vortec Lower Intake Baseplates SD3816. Exhaust Port Location. d. An easy way to gain 20-40 horsepower For use with 1955-Newer Small Block Chevy V-8 engines (except later-style LT1/LT4 engines with reverse-flow cooling) Value-priced cast-iron cylinder heads Uses modified combustion chambers and high An easy way to gain 20-40 horsepower on any 1955-and-newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. People already do it. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. 55 exhaust valves with five Cylinder Head Style. They feature a larger 185cc intake port volume, come with screw in studs, more lift ability, and larger valves than the OEM Vortecs. 3L/262 GM V6 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Stock vortec heads can be drilled and tapped for standard intake manifold mounting. Features include fast burn combustion chambers, and a high-velocity Itraded the vortec for a set of Pro Action which is an aftermarket vortec style that has a slightly thicker deck surface and the ports have rased bottoms to flow even better. Should this condition occur, recalibrate with a Find Parts and Accessories vortec+heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Centrifugal Style Head Units (21) Camshafts (15) Cam Bearings (14) Show All. Technical Note: Chevy calls this a 185 cc intake runner cylinder heads. One way around that would be to use Vortec style heads as they flow good and have small combustion chambers. Although these heads are great for street use, they are not designed to be used in high rpm and high-horsepower applications due to the small intake ports. A very good aftermarket Vortec style head that costs the same assembled as stock oem Vortecs is these Chevrolet Performance Vortec Dual Plane Intake Manifolds 12676887 Intake Manifold, Vortec, Dual Plane, Aluminum, Natural, Square Bore, Chevy, Small Block, Each. Assembled with premium parts such as VORTEC BOWTIE CYLINDER HEADS Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. Port Style: Rectangle. This can cause a header clearance issue because it changes the spacing between the two center You can drill and tap the heads for the old style intake 12- bolt pattern, this was done a lot back when Vortec heads were new to the scene in 1996 and carbureted peformance Vortec bolt pattern intakes weren't even available yet. Stock replacement, street & strip performance, towing upgrade with mildly modified engines from idle to 5,500 RPM. Find CHEVROLET 4. – Dual bolt patterns for Vortec and early style intake manifolds (early model P/N 10051103; Vortec intakes P/N 12366573, 12496820, 12496821, 12496822 or 12489371) Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. It features raised runners that closely match the only difference between the early style and the vortec style intake is the bolt partern. 3L V6 Vortec Cylinder Head is a 100-percent new casting that comes fully assembled with valves, springs, retainers, keepers, and seals. Additional details include mounting provisions for early-style valve covers or the later-style center bolt SBC Chevy Dual Plane Satin Aluminum Intake Manifold for Vortec 350 Heads. your style intake have angled bolts. Big head start over smaller engines . The Vortec head out flows the Bow tie head out of the box and is a 20 to 40 horsepower bolt on increase over earlier cast iron small block heads. These upgraded production cylinder heads are • Dual bolt patterns for Vortec and early style intake manifolds (early model P/N 10051103; Vortec intakes P/N 12366573,12496820, JEGS Cast Iron Vortec Cylinder Head has fast burn combustion chambers and high-velocity intake and exhaust ports. Cast iron (10) Cast aluminum (2) Chevrolet Performance Cylinder Heads 12555630 F-HEAD. 8L/5. 9L FORD RANGER . Port Volume: 170. Thread starter bcarver9007; Start date Nov 19, 2024; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. Shop Now at the Guaranteed Lowest Price! Cylinder Head Style. Automotive Performance Engine Cylinder Heads; Powersports Cylinder Heads; Customer Reviews. Every GM head since has been an iteration of the vortec head with minor changes made to improve upon an already excellent design. Vortec-based heads move the spark plugs further from the chamber’s center and closer These 4. they are a cheap alternative to aftermarket heads , if you have all the other stuff to go along with them (intake, rockers, covers,gaskets,etc) otherwise a pair of aftermarket vortec Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Straight Plug, Chevrolet, Small Block, Each. Save Share Reply Quote Like. Notes: Free Shipping - Chevrolet Performance Vortec Intake Manifold Bolts with qualifying orders of $109. in this thread in this sub-forum in the entire site. 7L V8 SBC engines. P. Any event, Pace Pontiac has brand new, "Vortec" heads, that are drilled "old style", and have the spring seats machine down so a . Stock springs are good up to 0. the 2000 Chevy crate 350 H. Thanks for any help. 18069 posts · Joined 2005 Add to quote; Only show this user Engineered to greatly increase performance and efficiency, E-TEC heads fit SB-Chevy 302-400ci engines with ''Vortec'' style intake manifolds. So far I Edelbrock Performer Vortec Intake Manifold for all Small-Block Chevrolet 262-400 c. This has a very limited use. They feature a 65cc combustion chamber with a 64cc exhaust port and 3/4'' thick head deck (ideal for nitrous or blower applications. 95. The Vortec Cylinder Head is designed for Small Block Chevy 350 engines. Quick background - buying a 55 year old car you expect some changes have been made to the car. 00-inch intake and 1. 5° to Vortec Heads - GM vs. Weiand, for instance, has their new Stealth Ram for Vortec heads and even the weiand supercharger units for Vortec heads. Cylinder Head Style. C3 Tech/Performance - Vortec Head Valve Covers - Is it possible to use regular side bolt style valve covers on the vortec heads instead of centre bolt ones? - is it an easy job? any risks in damaging the head by drilling new holes in the outer rim of the head to accomodate the screws? any helpful advice/ replies much The JASPER® "Stock Performance Engine" has a more aggressive camshaft profile compared to the Class I engine and also receives performance cylinder heads as an upgraded bolt-on part. Artificial Intelligence is no match for Natural Stupidity Chet. " (typical circle track engine. Chevrolet Performance Vortec Low-Rise Intake Manifolds with qualifying orders of $109. Price is Find Chevrolet Performance Vortec Cylinder Heads Bare Cylinder Head Style and get Free Shipping on Orders Over $109 at Summit Racing! Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. Post by jtb032295 » Fri Dec 18, 2015 4:58 am. Summit Racing’s aftermarket Vortec head uses an engraved Summit logo. Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 175cc Intake Runner, Chevy, Small Block, Each Chevrolet Performance Vortec Cylinder Heads 12691728. Part Number: NAL-12555630. This can cause a header clearance issue because it changes the spacing between the two center NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. Blocks manufactured in 1995 or earlier have thermostat bypass passage from the block directly to the water pump. Small Business. Abetted by a newly redesigned coolant crossover passage, these heads could be bolted directly onto a First-Generation Find Parts and Accessories vortec style heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: Chevrolet Performance Vortec Cylinder Heads 12691728 Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Intake Runner, Chevy, Small Block, Each. Not Yet Reviewed. Not compatible with Vortec style intake manifolds ; High-Performance - Featuring a 200cc intake runner, this cylinder head enhances power while retaining stock compression for 1970 and earlier models The Edelbrock Super Victor Vortec Bowtie #2814 intake manifold is designed specifically for use with GM cast-iron Vortec Bowtie cylinder heads #25534351 (185cc) and #25534371 (215cc). Vortec-based heads move the spark plugs further from the chamber’s center and closer NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. This can cause a header clearance issue because it changes the spacing between the two center Cylinder Head Style . ProMaxx Performance Small Block Chevy Vortec Cylinder Heads Questions - page 2; y_2025, m_3, d_19, h_7CST EngineQuest, Chev SB Vortec Performance Cast Iron Heads, 170cc/64cc, Vortec Intake, Assembled Stage 1, Pair: Vortec Chamber (No Heat Riser), Vortec Intake Bolt Pattern, Center Bolt Valve Cover Pattern 170cc/64cc Straight Plug, Bolt-on horsepower for your 1955-Newer Small Block Chevy V8 with a set of these Vortec cylinder heads from Chevrolet Performance. Vortec heads on 638 block. 3. These heads are about $800 complete, but I got an even trade due to the fact that the person I traded needed stock factory castings for a class of garvey racing he You might want to consider ditching the OEM Vortec heads and look into teh CPP(Chev Performance Parts) Vortec Bowtie Smallport heads. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: BUILD The Chevy Vortec head is an excellent choice for a variety of performance and race applications. Vortec-Style Heads. Assembled (54) Bare (11) Get Results; Cylinder Head Material . Either sell the 307 or store under bench Vortec-Style Heads. Vortec Cylinder Heads fit all 1955-Present small blocks except LT1/LT4 reverse coolant flow engines and current LS1-style engines. Damper Spring Included. Chet . Assembled (364) Bare (187) Get Results; Cylinder Head Material. NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads Vortec-style (and this includes some non-GM aftermarket) cylinder heads use a different spark plug location than common non-Vortec cylinder heads. richiecat4223 Discussion starter. JEGS Easy Kits are designed by JEGS professionals Our Summit Racing™ Vortec cylinder heads have what it takes to get the job done. i. Features Vortec Bowtie Cylinder Heads Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. Installation of aftermarket headers, camshafts or both may lean carburetor calibration. Vortec-based heads move the spark plugs further from the chamber’s center and closer Oh, and one more point about the genuine GM Vortec heads (which may also help with aftermarket "race" or "performance" heads), if you mill the block face of the heads, and you want to keep optimum performance, you need to mill the intake face of the head and the bottom part of the intake manifold where it meets the walls across the valley of Dark Mode; Light Mode; Menu Log in • SPECIAL NOTE:This intake manifold is primarily intended for use with Vortec-style heads on pre-Vortec blocks. ) 5 NOT compatible with Vortec-style heads 6 Must use hydraulic clutch activation 7 Currently, the better CC57 is a custom header with the two center tubes sweeping rearward. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: Cylinder Head Style. 500" lift #2: RHS Vortec Heads --> Find Parts and Accessories vortec heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Centrifugal Style Head Units (21) Intake Manifold Gaskets (14) Cam Bearings (13) Show All. d Engines with 1996+ L31 Vortec Cylinder Heads & all Modern Marine and Industrial Engines. This can cause a header clearance issue because it changes the spacing between the two center Fuel Injection Style: Throttle body Basic Operating RPM Range: Idle-5,500 Intake Section Included: This manifold is primarily intended for use with Vortec heads on pre-1996 engine blocks. 7L LS engines. The Vortecs were the best factory casting ever made. Port Width: Standard. Figuring out those changes can be aggravating, wastes time and money too. $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: The JEGS GM 4. This intake is a replica of the Edelbrock Performer and it does not have the coolant crossover either. Vortec-style (including some non-GM aftermarket) cylinder heads use a different spark plug location than standard non-Vortec cylinder heads. Any of the products would be used with TBI engines that use Vortec or Vortec-style performance heads as well. vortec motor and heads in my 57 flat gets up and hauls the mail. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. These stock-style covers feature a centerbolt design and a black finish. This can cause a header clearance issue because it changes the spacing between the two center There is an article online where they tested all the vortec style heads (gm, dart, e-tec) with some interesting results. ) Vortecs require a Vortec style 8 bolt intake, they should not be modified for older 12 bolt Chevrolet Performance intake manifolds were designed specifically for GM engines, so you know they will deliver O. Then / headers and inlet manifold will get 300hp easily . and id be changing them without moving the head. Theyre good heads, but not performance wise like the 906/062 vortecs. These Vortec cylinder heads offered by Chevrolet Performance offer 20 – 40 horsepower more than factory early-style small block Chevy cylinder heads. 7L (Vortec) and get Free Shipping on Orders Over $109 at Summit Racing! These Trick Flow GenX® 205 cathedral port cylinder heads are fully CNC-machined to significantly increase the performance GM's 4. 6900 Huseman These Vortec intake manifolds were designed for ultimate horsepower and torque when used with Vortec cylinder heads. T. Performance Plus Inc. Shop Now at the Guaranteed Lowest Price! JEGS 555-514078 Vortec Cast Iron Cylinder Head Features: OE-Style Cast Iron; Fits all 1955-2002 Chevy small blocks except LT1, LT4, and LS-style engines; C3 Tech/Performance - Who makes aluminum vortec style heads - Besides the GM Vortec heads, who else besides Edelbrock makes the Vortec style cylinder heads in aluminum? I'm looking for those that are compatible with the Vortec intake manifold. Vortec-based heads move the spark plugs further from the chamber’s center and closer Vortec-style (including some non-GM aftermarket) cylinder heads use a different spark plug location than standard non-Vortec cylinder heads. There are aftermarket Vortec-port style heads with both bolt patterns but they are cast thick enough for the thread stripping to not be an issue, although the port hieght can still be an issue depending on the old intake used. Part Number: AFR-1001 4. Chevrolet Performance cast iron Vortec cylinder heads will fit 1958 and later small block Chevy engines, and offer a 20 to 40 hp increase over earlier cast iron small block heads. the stock vortec heads and many aftermarket vortec heads only have the provisions for the later vortec style intake. intake and 1. There is a heavy aftermarket for Vortec style heads. Shop Top End Kits at Summit Racing. Valve Angle: 23 DD NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. You can use a dual-pattern intake gasket like the GM Performance 12497760 or a Vortec intake gasket like the Edelbrock #7235 (both 0. 1297 posts · Joined 2024 Add to quote The perfect configuration to build a powerful Vortec power and torque! The AFR Vortec Emissions Legal (CARB EO #D-250-2), 190cc intake port small block Chevy cylinder heads are available in a straight plug version. Chevrolet Performance Vortec Cylinder Heads. so yes they will crack allot easier compared to the older style heads if the motor runs hot or over heats. Assembled (11) Bare (1) Get Results; Cylinder Head Material. Assembled (21) Bare (10) Get Results; Cylinder Head Material. Introducing our brand new aftermarket Vortec Cylinder Head, explicitly designed for 1996-2002 Chevy 350 5. 3L/5. No. GM Vortec heads --> Pros: GM quality control, $316 a piece (assembled), flow pretty good Cons: Not machined for screw-in studs or guideplates & need machined for over . There is no reason to buy aftermarket ones as the GM ones are readily available both new and used stock or modified. 12529093 - Vortec L31 350 bare cylinder head, cast iron, seats cut for 1. Features include fast burn combustion Chevrolet Performance’s Fast Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. 7 VORTEC Cylinder Head CAST# 906 062 Next Head Gasket Set 2. My mechanic said the engine would run very rough because the intake has no provisions for coolant to flow under the carb. These upgraded production cylinder heads are ideal for 400-450 horsepower Im hearing that you can not use headers made for original heads on Vortec heads because the ports are different. the RHS heads have the provisions for both. ) The under-appreciated fact that tends to be lost amidst the throng of aftermarket aluminum small-block cylinder-head offerings is that Chevy’s own cast-iron head used on the 1996-2000 Vortec truck engines is the best-flowing head that GM ever produced for the original small-block V-8. Perfect for Street, Strip, or Oval Track Rebuilt Engines and Cylinder Heads. 450" lift. Period correct vortec heads the center intake bolts are vertical. Free Shipping - PROMAXX Performance Vortec 185cc Iron Cylinder Heads with qualifying orders of $109. Upgrade your 4. We use the new, new Chevrolet produced casting for applications that require the factory Vortec head. Featuring wide-open intake runners, efficient combustion chambers, and a high Get the Best Performance with Chevrolet Performance SBC Cast Iron Vortec Cylinder Head 170cc Intake Ports 12691728 parts at JEGS. Vortec-based heads move the spark plugs further from the chamber’s center and closer to the exhaust valve. 94 in. • Dual bolt patterns for Vortec and early style intake manifolds (early GM Vortec 185cc Cylinder Heads. All depends how much the modified OEM Vortec L31 heads you seek cost. Find Summit Racing™ Vortec Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Are you looking for a good set of heads to up the performance factor of your Vortec engine? Our Summit Racing™ Vortec cylinder heads have what it takes to get the job done. Stud Girdles - Due to many available factory OEM and aftermarket style/variations your existing stud girdle may not fit (AFR heads Get the Best Performance with ATK Engines 2CH4HP1 Vortec Cast Iron Cylinder Head for Small Block Chevy Engines 2CH4HP1 parts at JEGS. pay attention to what style intake manifold goes onto the heads. Cast aluminum (474) Chevrolet Performance Vortec Cylinder Heads 12691728 Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Intake Runner, Chevy, Small Block, Each Cylinder Head, Vortec, Cast Iron, Assembled, 67cc Chamber, 175cc Intake Better port design. Summit Racing (41) High Performance, 12-Point Head, 180,000 PSI, Chevy, Small Block, Kit. Vortec-based heads move the spark plugs further from the chamber’s center and closer I've seen a few different aftermarket Vortec sytle heads. Accepts Q-Jet or 4150-Style Square-Bore Carburetors. The head includes 1. if your looking for vortec style heads I’d look into Trick Flow, AFR, or other better brand heads. ProMaxx Performance Small Block Chevy Vortec Cylinder Heads. Vortec-based heads move the spark plugs further from the center of the chamber and NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads. And yes if I stay in SBC S/S 170cc Iron Vortec Cylinder Head – Bare quantity Late model and Vortec intake face. Part Find Parts and Accessories aluminum vortec heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! More Power in Every Purchase - Join the Summit Rewards Head Style: Hex Fastener Style: Bolt Fastener Color: Natural Fastener Material: Steel Quantity: Sold individually. flows the Bow tie head out of the box and is a 20 to 40 horsepower bolt on increase over earlier cast iron small block heads. Commonly available 12 bolt SBC dual plane intakes do not have enough metal above the port to be ported to match the Vortec port, w/o having a vacuum leak or razor thin Cylinder Head Style . Actually, it is 180 cc’s in stock form. Search Talk about awesome torque and horsepower all in one cylinder head. $5 Off Your $100 Mobile App Purchase - Get the App. NOTE: This issue concerns STRAIGHT PLUG Vortec-style small block Chevy cylinder heads, including the BluePrint heads Vortec-style (including some non-GM aftermarket) cylinder heads use a different spark plug location than standard non-Vortec cylinder heads. Spark plugs have been positioned closer to the center of the cylinder for more Chevrolet Performance Vortec Large Port Bowtie Cylinder Heads 25534371 NAL-25534371. The aftermarket vortec style heads are pretty cheap- never worked on any of them but "they" say it's a pretty good head, has bolt patterns for either style valve cover and intake, and may be cheaper than finding a non-cracked set of Vortecs and getting them fixed. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. It is excellent for circle track, street, drag racing & marine applications. 0L 514078 parts at JEGS. This head performs great right out of the box but can be mildly ported and milled up to 0. . Vortec-based heads move the spark plugs further from the chamber’s center and closer GM Performance's New Vortec Heads Promise Big Flow Numbers For A Modest Investment. Our 350 Vortec heads, also known as 5. Engine expert Jeff Smith answers a question on the benefits of swapping later Vortec style cylinder heads onto a Gen. Chevrolet Performance Vortec Cylinder Heads 12691728 Cylinder Head, Vortec, Assembled, Cast Iron, 64cc i have a set of aftermarket vortec heads already installed and if i were to install the beehive style valve spring and retainers for the vortec application would i have to check the valve spring height with a micrometer? the heads are new and never been milled. These manifolds offer superior throttle response for street or racetrack use and will clear most stock hoods. rocker studs, and a straight plug. Intake Manifold, Vortec Head Design • Designed for 283-400-cubic-inch engines using Vortec cylinder Edelbrock E-Tec heads are replacements for 302, 327, 350 & 400 c. 94"/1. An aluminum head casting – distinguished by Chevy Bowtie logos at each end – and a valvetrain with high-rpm, LS-style Vortec style intakes to match the Vortec intake/head bolt pattern are now available for two or four barel carbs, TBI and TPI setups. Get Results; Chevrolet Performance Vortec Cylinder Heads 12691728 Cylinder Head, Vortec, Assembled, Cast Iron, 64cc Chamber, 170cc Intake Cylinder Head Style: Assembled Cylinder Head Material: Cast iron Cylinder Head Color: Natural Combustion Chamber Volume (cc): 64 CNC-Machined Combustion Chamber: Free Shipping - Chevrolet Performance Vortec Top End Kits with qualifying orders of $109. Summit, RHS, Patriot, to name a few. im using old style intake on vortec heads im having problems with leaks. FREE delivery Fri, Feb 28 . Part Number: ARP-134-3701. techinspector1. Many aftermarket Vortec style heads (including Bow Tie Vortec heads) feature dual bolt patterns allowing the use of the early 12-bolt intakes. I said "dont think so" becasue i am not sure - I think 2000's switched over to a LT1 style bolt pattern, but im really not sure. 4. Best for 305-383 cubic inch engines. 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