Gm 217 heads. Sep 24, 2015 · GM 706/862 . 625. 437 lift, 108 LSA) GM hardened foot hydraulic lifters- not cheap BTW Sealed power Jan 20, 2013 · Just trying to find a recommended plug for his setup. Oct 14, 2006 · chevymastermind said: I have a set of Chevy heads with a casting number of 333882, with 1. 7L V8 SBC 062/906 Vortec - Pair, Year:96-02. 7L V8 SBC 062 906 Vortec, Year:96 - 02 . Ovate wire-type beehive valve springs with 1. 5001 - 1971-76: 333881 : 350 Jun 22, 2021 · ATK Engines 2C12 - Remanufactured Cylinder Head for 1978-19 (0) $264. 6. The mule Aug 30, 2009 · Some of these are also nicknamed "Fuelie" heads because a version appeared on fuel-injected 327-powered Chevy Corvettes. Heads fit 1987 - 1995 only, TPI and TBI intakes. Great cylinder-head airflow has been a key enabler of the LS-Series’ exceptional performance. 7L V8 2C17 parts at JEGS. B1 Series/15°/18° Spec Heads Menu Toggle. Now it's more scientific, 990s have large ports less velocity= lazy at low rpm. This is a cast iron cylinder head assembly used on 285 hp 350 engine (P/N 12353641). 7L V8 Cast # 217, 193, 191, 810 Sep 3, 2021 · The car was gutless with the stock 283, and I expect it to be somewhat less gutless after the rebuild. Dec 19, 2005 · This is a 270 cubic inch V6 that made 301 FWHP with only 224/224 @ . 94: 1. 372 (3/8") oversize stem, These are for HD use. 48" valve spring seat diameter. 12506450. If I knurled guides on a SBC, I always used umbrellas on intake and exhaust in older heads that weren't machined for positive intake seals. Unless you try back to back tests driving with a new design vs the 990s you'll be happy. #1 · Mar 27, 2003. 640. If the center intake bolts are 72* then the 083 heads would work. They are 1987+ (and later) and feature 72 degree center bolts. 94 : 1. It is a 60° 24-valve design with aluminum block and heads and sequential multi-port fuel Mercruiser GM 350 5. robert sapp. 50, 600cfm edelbrock carb, Performer RPM intake, headers with Cylinder Head, Marine-Duty Performer RPM 454, Assembled, Aluminum, Black Anodized, 118cc Chamber, 315cc Intake Runner, Chevy, Big Block, Each Part Number: EDL-61555 5. #5. The engine part number is 12353641. LS6 was also used in some Camaros and Pontiac GTOs. Budget-Friendly Cylinder Heads Suitable for a GM Engine Rebuild. The idea was to flow and measure each Feb 13, 2017 · 14096217 Iron heads, are centerbolt. Computer tuning required. JEGS offers performance cylinder heads for Chevy, Dodge, Jeep, Chrysler, Ford, and custom applications from top manufacturers such as Edelbrock cylinder heads, ATK cylinder heads, ProMaxx cylinder heads, JEGS cylinder heads, and others. Quantity. 64cc Chamber and no swirl ramp in the intake bowl. {The 14096217 SBC head casting) Working on a set of 14096217 's that came from a 5. 6 V6 problems is a camshaft actuator issue. 500-inch lift and 18 cfm better on the exhaust side. The 906 heads have 1. 60: over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum: 10045434: 55cc: Over the counter 15 degree, angle plug, raised runner, aluminum: 10051101: 55cc: 2. Step 2 45 Ft/Lbs. 0L V8 LQ4 and LQ9 engine models. 94/1. The LQ4 and LQ9 had 6 cc larger combustion chambers. 0 out of 5 stars ( 2 ) These fully assembled, CNC-machined aluminum Fast Burn cylinder heads from Chevrolet Performance are designed for 1958-2000 283-400 c. The 217 heads came off the older Mercruiser 350 mag motors. ASCS / SUPR Series Cylinder Heads To Fit Chevy – Ford – Mopar; V6 Chevrolet Compatible Heads Menu Toggle. 14102193 is a 65cc TBI head from 1987-1995 It seems there is a small consensus that say you can replace a 14096217 with a 14102193 General Application / Compatibility Just make sure you. GM 243 (LS6) and 799 (LS2), 218 cc. 250" Intake Valve and 1. 76 cc combustion chambers. Round push rod holes. 60 Jul 15, 2014 · Camel hump heads, no accessory holes 160cc intake runners: 302/327/350: 3782461x: 64cc: 1. 7 OHV 350 V8 Cylinder Heads TBI 191/193/ 217 87-95 Fuel Injected Assembled. comOne of the bargains we tested was the Aerohead small-block Chevy head, featuring a larger com-bustion chamber than most tested. This complete cylinder head assembly includes 1. Lift Max, for Flat Tappet Cam, Pair Part Number: SUM-162112 4. Chevy only installed these heads on their high-output performance engines. ATK Engines 2CEY - Chev 2. GM 350 5. Casting ends in 083. Phone (740) 967-7761 or (740) 967-8860. The new Mexican castings are good, thick heads and can be flat cut to the mid 50’s without any issues. Jan 2, 2013 · L98 head Those heads you speak of were probably one of the better heads in the 1980s before the Vortec head was introduced. 7 V8 C#193, 217 TBI Assembled Cylinder Head. Power ratings were up to 320 HP depending on application. 60" exhaust valve. 02/1. 8L 231ci V6 - 250/485/723, Year:88-92. Moving air efficiently through the combustion chamber has a huge effect on power and porting your heads is one the bes The formula to calculate the CR is: CR= (V+C)/C. 600″ lift the intake ports flow around 240 cfm at 28 inches of water. 3L heads, the 241 (LS1), 317 (6. 125/1. RE-13 ULTRA SERIES. See All 29 Photos. Spark plug position and chamber looks a little better than the early 64cc heads. Explore our extensive collection of GM Cylinder Heads. Part Number: TFS-30410008-M54 5. Also casting that ends in 217 will work. The port shape and volumes are optimized to produce good low and mid-lift flow while maintaining high velocity. A new stock Chevy “Mexico” Vortec head will flow in the 210 to 215 cfm range on the intake and about 145 cfm on the Dec 5, 2005 · Going head-to-head are early-'80s GM Bow Tie cast-iron heads versus state-of-the-art Air Flow Research (AFR) 180 CNC-ported aluminum heads to determine if, in fact, airflow is everything. 040" over 283 engine, as well as the larger 327 Chevy. 1Casting number "462" fuelie heads. 782 exhaust lift. JMO. The springs have a 1. different styles depending on heads and stud diameters. 5:1 compression ratio with these heads, comp cams . Chevrolet Performance delivers those power-building attributes to you with a range of production-style aluminum heads — from the LS6 heads for smaller-displacement engines to LS7 style heads for 427-inch-and-larger combinations, our aluminum heads benefit from Chevrolet Performance’s extensive The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by General Motors. Any help will be appreciated, Ken. pcesak Discussion starter. They quickly and completely burn the air/fuel mixture, ensuring higher cylinder pressure and more power. Heads have the center bolt through valve cover. Finally I need help filling in some of the blank spaces in the charts. At . 535 inch of lift on the intake and exhaust, respectively. 6 hours ago · FLOTEK 180cc Small Block Chevy Cylinder Heads 102-505FT. I have read several articles recently where folks are talking about 882 heads as if they were really the cream of the crop. Jul 24, 2021 · Chevy started using positive seals on the intake and umbrellas on the exhaust when they found that oil past the guides was fouling catalytic converters and causing emissions failure. 449cc intake port. Information and specs on the 216 Inline 6 cylinder Chevy Engine. The intake ports are just about 2 ¾” tall and 1 ¾” wide. Heads #1 - Stock rebuilt 1967 283 Powerpack heads with a good valve job and upgraded springs, +/- 60 CC chambers. 5001 : 74 : 1971-73: 330862 : 400 : 1. youtube. 2Fuelie casting identifiers. Thanks, Sum. 0L c/n 059 Vortec heads having the "same but smaller" ports is incorrect. It is part of GM’s third-generation high-feature V6 engine This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. They come fully assembled, and feature 1. Jun 3, 2022 · The 243 heads came on the powerful LS6 engines from 2001 to 2006. Use head gaskets with stainless-steel fire rings. 1L31 Vortec exhaust seats. Part Number: FLK-102-505FT. The cast number for this head is P/N This is a step nosed camshaft for use in 1986-2002 roller blocks with cam retainer plate. i. Oct 12, 2011 · Very old technology, bigger was better. - New LS2 heads are about half the price of new LS6 heads (check sdparts. The 059 head has a swirl vane cast into the port. 50. 94 Heads, i am hoping to make 350-375HP with them. 3-Liter LS1, 218 cc. Clearwater Cylinder Head, Inc. thoroughly cleans, inspects, and pressure tests all our cylinder heads. The Chevy 216 straight I6 was released in 1937 and was quite a popular engine for about 15 years. Low or worn engine oil can also cause this as optimum oil pressure is a must for actuators. 0 Series/20° Track 1 Ford Compatible Series/20° Mopar Compatible Heads Menu Toggle. 3927186 (DZ 302 Heads)The other 041 numbers you entered are for other small block applications and and Buick Cylinder Head 3. I'm looking for a set of L98 heads for a small block Chevy. especially with tight LSA cams. This attention to detail and quality will save you time and money by keeping your GM product Jan 6, 2016 · The reason is simple: The more you squeeze the air and fuel mixture in the combustion chamber, the more power you can create. Last on the list of GM 3. 50" exhaust valve. This not only includes the chamber volume in the head but also the gasket volume and any volume contained in the block when the piston is at TDC as well as any piston dish volume. $235. 72 : 1. Jun 19, 2006 · 317. 11 out of 5 stars ( 9 ) Small block chevy head castings; Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine; 10033867: 62cc: 2. Chevy V8s. Some interesting points to note, these heads have hard steel exhaust seat inserts ! the exhaust v/v's are 0. ATK remanufactures complete cylinder head assemblies with higher quality than new. It also has dished pistons with 9. 94- and 1. Jul 14, 2009 · 041's are a 1. 10/1 compression, comp cam 292 H, performer intake, 750 eldy carb. 7 OHV CYLINDER HEADS cast 217 CENTERBOLT REBUILT. Text descriptions of the heads can also find text descriptions for each head type Mar 15, 2024 · The 317 cylinder heads feature a distinctive intake port shape that resembles a cathedral and an exhaust port with a D-shape, coupled with a spacious combustion chamber that produces lower compression ratios. com). Feb 8, 2004 · The casting numbers and heads you want for the Z28 are the 186 numbers you mentioned. This MABBCO cylinder head is for a GM Chevrolet 5. 437/. They've got the center bolt valve covers and the center intake bolts are straight down instead of at an angle like the others. Cylinder Head, 180cc, Flat Tappet, Straight, Aluminum, Assembled, Chevrolet, Small Block Gen I, Each. 0L truck), and 799 (as a stand-in for the hallowed 243) heads. Cylinder Heads, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, Small Block, . 7L (Vortec) TFS-3051B001-C00 Cylinder Head, GenX® 205, Competition Ported, Bare, 58cc CNC Chambers, GM Head Hunter™ F Series/15° ST 5. Xtremefi is using those heads building 355 TBI May 12, 2004 · You might be at peak HP at only 3500-4000 RPM and stay there through 6500 RPM. 50" valve 64cc head from the 1969 295hp 350 and the 1970 300hp 350,, same engine as none of the actual specs changed. The 243 heads are cast out of aluminum alloy Max Brake Horsepower: 92 @ 3400 rpm. 589" OD (large end) Steel 10-deg. SB2. CORE RETURN REQUIRED. 525 in. As a result, it’s important to make sure the Purchase with confidence! Part Number (s) Included GM Cylinder Head Casting 14102193 There is some edvidence these were found on MerCruiser Mag 350 applications. This Chevy GMC Head is a new and improved casting. To determine what type of heads are on your small block Chevy, take a look at the illustrations below for 'Early' or 'Late' Style, Aftermarket Aluminum SBC heads, Aftermarket Cast Iron heads, and other SBC cylinder heads. Nov 3, 2011 · Messages. Those were also used in place of the 217's and yield the same specs. Engine Size: 5. com/watch?v=uvmlKF5dr18 Sep 12, 2008 · 9:1 compression - AC - 45 heat range - I think the plug is a R45TS 9:75-10:1 - AC - 44 heat range - R44TS I don't know about the rapid fire platinum plugs . - The LS7 heads do have titanium valves. These heads appeared on 327 and 350 cubic inch engines across most of the Sep 1, 2023 · 4Casting identifiers. They are 23 degree,64 cc, straight plug heads. I assume that the 882 refers to the serial number 333882. 7L heads. Year: 1987-95. All seat and guide work is performed as needed on the lastest state of the art Serdi Engines need air (and fuel and spark). 7L V8 2CN7 parts at JEGS. May 13, 2009 · I have a set of 217 casting heads on my 327. Although not aluminum they were the cast iron version of the L98 head. Unlike the used Vortec heads pulled of of passenger vehicles, these new Chevy casting do not have issues with cracking. Find 2011 CHEVROLET CAMARO 3. Valves are 1. Bore: 3. With A special thanks to Paul Shufelt for helping me with some of the numbers below. In theory, forcing air and fuel in as small a combustion chamber as possible (measured in volume) will yield maximum engine compression and horsepower. An aluminum head casting – distinguished by Chevy Bowtie logos at each end – and a valvetrain with high-rpm, LS-style beehive-type valve springs stretches the performance range of the heads to enable greater power at a higher rpm! The 3. Most people do this section of the port wrong anyway so it's best if you just gotta touch it to just clean it up but not materially change the shapes and dimensions the factory put there. 50 inch, with a 110-degree lobe separation angle and 0. 60 valves, 175 CC runner, 60 CC chambers. 94" intake valves, 1. The engine made 317 ft/lbs at 4,400 RPM and peak HP @ 5,500. This improves head gasket sealing, along with reducing cylinder bore distortion. The head then moves on to a Rottlier Jun 29, 2007 · Like most Chevy heads, this one responds well to pocket porting, but aside from cleaning the casting further toward the manifold face not a lot should be done. Dec 27, 2007 · The R07 block design uses a six-bolt head bolt pattern as opposed to the traditional five-bolt pattern. 165-inch diameter) and an exhaust port capacity of 87cc (1. the engine is a 350 Steel crank, 4 bolt main, 9. 514/0. 9Some common small block Chevy head ID castings. 0. Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 2011-2015 Chevy/Buick/GMC with 2. 800" titanium valves with 5 / 16 " stem OD. Vortec Iron, Scoggin-Dickey Modified PN SD8060A2, $779. 6L/217 GM V6 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model Search ATK Engines 2DM2R - Remanufactured Cylinder Head for 2009-2 (0) $599. 12480011. Part Number: 55582695. 5"Fuelie" heads. Nov 29, 2007. MSRP $1,042. 8L 231ci V6 - 175, Year:75-76. All Pro Heads is the Industry Leader in Small Block Chevy Aluminum Cylinder Heads, (as well as the new Generation 3 and Mopar W9RP) , catering to the hard core racer Mar 27, 2003 · P. Buick Cylinder Head 3. Jun 8, 2021 · Identify Small Block Chevy Cylinder Heads. 95. These heads are also extensively used in crate and marine engines of power that ranges from 285 to 320 hp so they are widely available as rebuilds, used, and new and will deliver Oct 20, 2021 · Oct 20, 2021. Get the Best Performance with ATK Engines 2C17 Remanufactured Cylinder Head 1967-1985 Small Block Chevrolet 350ci/5. 3L/5. Edelbrock’s E-Tec line of aluminum heads strives to improve upon the GM iron Vortec head. RS-X Spread-Port Aluminum Cylinder Head, CNC-ported - Assembled. 2. Technical Notes: This cylinder head has 64cc chambers. Get the Best Performance with ATK Engines Remanufactured Cylinder Head for 1987-1992 Chevy/Pontiac with 350ci/5. ( 7 ) Estimated Ship Date: Jun 10, 2024 if ordered today. The 330 HP 350 HO replaced the now discontinued 300 HP 350 HO. 530" maximum valve lift (without modifications) Screw-in studs (3/8" top, 7/16" bottom) New “time-serts” prevent oil migration through rocker studs. This North Carolina–based shop is practically a factory for CNC head porting, with programs for the Gen II, III, and IV small-block only. 6L/217 GM V6 Parts and Accessories and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase - Get the App Vehicle/Engine Search Vehicle/Engine Search Make/Model Search ALUMINUM FAST BURN HEADS Chevrolet Performance’s Fast Burn 23-degree cylinder heads deliver maximum performance for Small-Block engines. 94" intake and 1. Fits: Chevrolet: Spark. 5. Air Flow Detail #217 SBC Air Strike - 370cc Runner Pro Filer Small Block Chevy Air Strike Heads with 370cc Intake Runner, 2. 02" intake and 1. The head is the same as L98 Iron head 14011083 which is why these heads were found on this car. All seat and guide work is performed as needed on the lastest state of the art Serdi or Sunnen seat and guide machine. "For Engine Builders and Racers Seeking a Distinct Advantage". Stroke: 3. 90° V6 Series Cylinder Heads/23° BRODIX Aluminum Blocks Menu Toggle Small Block Chevy Head Bolt Torque Specifications. Retainers with 1. 75. Reaction score. 8Various SBC chamber and port comparisons. The 300hp engine from the early 1990s was the same engine with 217s instead of Vortecs. They are real similar to the 217 head which was used on a marine application and a crate motor as well. $399. 99. The same engine now comes with "062" vortec heads and makes an extra 30 HP. 59-inch diameter). Gen III LS1 "GTZ" aluminum 38cc angle plug. This is more common with the earlier versions of the engine and occurs due to faulty actuator solenoid valves. 94 and 1. Part#: K381C. 90° V6 Series Cylinder Heads/23° May 12, 2023 · The valve size is a notable difference between the 906 and 062 Vortec heads. Mar 23, 2022 · Camshaft Actuator Issue. 4,268. Bowtie Phase III 64cc Angle plug 184 cc intake runner. LSW-12 HURRICANE. Cylinder Head. Description. To produce the power these heads are noted for, the head has a very large intake port (257cc, 2. This difference in valve size can affect the engine’s overall performance, as we will discuss later Sep 18, 2009 · There is a part number 12558060 Vortec cylinder head assembly sold by GMPP that is made from the casting number 12529093 head. Compression: 6. 0 out of 5 stars Chevy Cylinder Head 350 5. Buy Dorman 599-217 Front Climate Control Module Compatible with AC Heater Climate Control Module for Chevy, Cadillac, GMC Escalade, C1500, C2500, C3500, K1500 19431810. Fully machined and assembled. Chevrolet GMC Cylinder Heads. Design options - module comes with both older and newer knob designs so you Cylinder Head, GenX® 185, Fast As Cast®, Assembled, 54cc CNC Chambers, 21° Valve Angles, GM LT1, Each. These were used on TPI 350s in Camaros and Firebirds. The center manifold bolt holes on my heads are the pre Dec 24, 2017 · In terms of cylinder heads, we included the 706 small-valve 5. Flow data based on Cylinder #1 intake and exhaust port. Some parts are not legal for use in California or other states with similar laws / regulations. 50" exhaust valves, valve springs (P/N 3901068) and valve spring caps (P/N 14003978). Nov 28, 2007 · Messages. This was the early version of the current 330hp "350 HO" that they are selling today with Vortec heads. 0:1 compression (that cam could use around 10:1 and be fine. 450"/1. 70cc combustion chamber. Angled spark plugs (5/8" hex, 3/4" reach, tapered plugs) 1. Models: Truck. 1968 Nova SS- 396SBC/515HP-510TQ. Re: merc 350 heads. There are a number of ways to accomplish the task. With advanced porting (such as those Find CHEVROLET 3. Some People do only 1 or 2 steps to reach the final torque. Find high-quality General Motor Cylinder Heads for your vehicle for exceptional performance. The Vortex head outflows stock non-Vortec heads, and according to Chevrolet, deliver a 20 to 40 horsepower increase over The Chevy Big Block’s Performance Heads have very large Intake runners with rectangular-shaped ports. 4L L4 2CEW parts at JEGS. That is typically what happens when there is a flow restriction somewhere whether it be the heads, exhaust, intake, etc. Add to Cart. No heat riser. Nov 4, 2021 · GM “217” heads (previously on a 350 HO crate engine. Max Torque: 176 @ 1500 rpm. r . Chevy Cylinder Head 350 5. Apr 5, 2012 · The latter head was used in regular production on TPI and TBI engines in some Camaros and Firebirds as well as some full-sized models of Chevrolet, Buick and Pontiac. These valves are slightly longer than LS1 valves too. 50: 1960-63: Camel hump heads, no accessory holes 172cc intake runners Jan 19, 2011 · I have a set of ''217' heads on my 327 that were originally on a 300hp 350 GMPP "HO" crate engine. GM DID make a 300 HP crate engine with the "217" heads on it. Step 3 65 Ft/Lbs. If you have any of this missing info or some of this is wrong please e-mail me. Every cylinder head is reverse engineered, allowing ATK to find and remove any factory original defect. (0) $522. " MABBCO cylinder heads are cleaned, inspected, and machined on state of the art equipment. Casting number is 191 or 193 on these heads. The 990s have a 320 cc volume and the newer heads are way smaller 265,290, 305, 308, 315 etc. 00. 32,821. When using 64cc heads,,,, Flat top 327 is about 9. 50-inch valve package in an attempt to keep the price down. #1. Looped. It should be noted that this netted a Aluminum, over the counter Pontiac 23' head, angle plug, 196cc intake port: 10045427: Pontiac/Chevy Aluminum, 91cc chamber Large Rectangle Port: 10045434: 55cc: Aluminum, Over the counter Pontiac 15' head, angle plug, raised runner, "rollover" head: 10049875: Pontiac/Chevy Aluminum Small Rectangle port: 10051101: 55cc Jan 5, 2024 · 2 GM GMC CHEVY 5. PAIR GM 5. Only the true LS6 engine heads have stainless steel (not titanium) hollow stem valves (the exhaust stems are sodium filled). 7 V8 Cylinder Head **Center Bolt Valve Cover** Part#: K381M ONE (1) Complete New Cylinder Head Models: Mercruiser Marine Engine Size: 5. 12480034. Holley 300-36 street dominator intake Holley 3310-2 (750cfm vac secondaries) Reproduction LT-1 fuel feed lines Carter fuel pump Summit HEI Taylor ignition wires Melling 22233 camshaft (224/224 @. But,from the Chevy mania website that has sbc serial numbers, they say these heads are LH Series Cylinder Heads/17° Head Hunter™ F Series/15° ST 5. 02: 1. The heads are better than low power crate engine heads. Step 1 25 Ft/Lbs. 11 out of 5 stars ( 9 ) Nov 7, 2019 · These heads have 2. 6 liter V6 engine (production code LFX) is a six-cylinder engine produced by General Motors for use in a broad range of vehicles. However, even with a 4" wide chamber and large valves, these heads will still fit on a . 66 posts · Joined 2002. 0223. Cast #: 193, 217. . The R07's Sep 28, 2019 · The new specs measure in with a smaller duration of 217/225 degrees at 0. WE DEAL WITH ALL MAKE AND MODEL CYLINDER HEADS. 55-inch valves, a 64 cc chamber, and a high-velocity port. 50" valve head with 64cc chambers and no swirlport vanes. GM 243 (LS6) and 799 (LS2), 226 cc. 8L/5. Heads #2 - TFS Camel hump heads 2. Dec 27, 2013 · IN THIS SEGMENT WE CONTINUE OUR LOOK AT SMALL BLOCK CHEVY HEADS WE TAKE A CLOSE LOOK AT TBI, TPI, AND VORTEC HEADSSee part 1 www. Find Your Cylinder Head 10% off on all gasket sets with the purchase of a cylinder head. 4 11-15 Cyl Head. GM GMC CHEVY 5. 2 head 48 ~ 54 CC angle plug 284 CC intake runner Bare heads. ONE (1) Complete New Cylinder Head. Add to cart. 7 350, model years 1987-1995. The info above about the L30 5. Now if you run out of cam the power curve will drop suddenly . Although the heads were initially made for C5 Corvettes, they later found their use in engines like the truck-spec LQ9 and LQ4. to drive the Optispark. They will also have a julian date code below the casting numbers (under valve covers) and should be matched to your motor if thats what you are trying to do. 7 Mercruiser, They are 1. Firing Order: 153624. 480/. 161cc exhaust port. 60. YEARS: CASTING# CID: Intake : Exhaust: CC : COMMENTS: 1971-75: 330545 : 307,350 : 1. 115" OD. You can also run a set of 083 Tuned Port Injection heads. PLEASE INCLUDE YOUR AREA CODE AND TELEPHONE NUMBER. 6Vortec L30 5. This cylinder heads is identifiable by its center-bolt valve covers, its #191, #193, #083, or #217 casting number, and is intended for "TBI applicatons. 480 lift with 230/230 Duration at 0. The heads were used on Corvettes, Chevelles, and other special applications. 780 intake and 0. (0) $632. They came from GM parts, if not a complete crate engine. 5:1 compression. 193's would prob work too. 050, . - - GM is "really proud" of those hollow stem Most small-port heads use a 1. Example- The cast number is or I need the driver side head do the following ODESSA CYLINDERHEAD thoroughly cleans, inspects, and pressure tests all our cylinder heads. AFR 180cc -- AFR 190cc -- AFR Race 210cc -- AFR 205cc LS1 Mongoose Street Head -- AFR 205cc LS1 Nov 21, 2023 · The LS intake ports on the 862 cylinder heads have a cathedral port shape, which is the same as the third generation “LS1” style head. 0L 305 head casting number 12558059. 589-inch diameter on Description Professionally rebuilt pair of Small Block Chevrolet cylinder heads. 650 in. Browse our full line of high performance street and race cylinder heads to compliment your next project. 862. All Pro Aluminum Cylinder Heads, Inc. 5 with 64cc combustion chambers. Trick Flow® GenX® 205 Cylinder Heads for GM LS 4. The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ). 7 OHV CYLINDER HEAD cast#119 & 217 CENTERBOLT REBUILT. 60-inch exhaust valves. Direct replacement - this HVAC control module is specially designed to match the appearance and function of the original unit in select vehicles. Oct 2, 2009 · These heads were also used on Marine 350 engines, including TBI marine engines. $649. 7L V8. 94" / 1. These heads are particularly suitable for turbo and supercharger applications and are compatible with 6. Flat top 350 is about 10:1. d. 050, an edelbrock peformer intake (very low-rise), 600 holley and tiny 1 5/8 x 2 1/2 headers. If used with a 1995-1997 LT1 with vented Optispark, the dowel pin will need to be removed and replaced with one that protrudes . May 1, 2023 · On the plus side, the Vortec intake port flows 42 cfm better than the stock heads at 0. V is the swept volume of the cylinder in cc’s and C is the total combustion chamber space. 12Bolt w 3:55's - 4Sp. May 25, 2016 · Designed to fit 1955 and newer engines, this Vortech head (PN 12558060) is a great mild-performance cylinder head. For Head Studs or aftermarket bolts CHECK YOUR INSTRUCTIONS, SBC studs are available in a ton of. 94-inch intake valves and 1. The biggest percentage of gain in performance can often be gained by increasing the exhaust valve diameter rather than the intake. Raised, machined rocker rails. Vortec heads. 7. 78. Aug 3, 2022 · The 823 cylinder head has a chamber of 65cc (cathedral style ports) or up to 70cc with the more commonly encountered rectangular ones. (0) $264. 50-inch exhaust valves, while the 062 heads have slightly larger 1. The ZZ632 RXS heads field these stout ovate wire beehive springs that are designed to handle the 0. Plug-and-play installation - just remove the old module, plug in new module, and vehicle performs automatic recalibration. aeroheadracing. 7Vortec L31 5. 60" exhaust valves, whereas most 461 heads came with a 1. While not the largest name in the industry, AI is well respected. ko ob fx ee nl nc cf ji id vj
July 31, 2018