What did 243 heads come on. many of the factory 243's and 799's are plugged yes. You don't need the parts from your 241's, cept for the coolant sensor hole plug on rear passenger side like mentioned above. GTO parts hoarder. LsSlow Discussion starter. 311 posts · Joined 2012. #3 · Apr 4, 2014.

Jul 31, 2020 · The real advantage to the Gen IV engines are the cylinder heads. The 243/799 heads have cathedral ports with improvements destined for the LS6 Corvette and later the LS2. They also had larger 2.00 ...

What did 243 heads come on. The L33 engine with VIN code "B" is also called the Vortec 5300 HO. The GM L33 features V8 90° aluminum cylinder block with a five-bearings crankshaft, two aluminum heads, a single one-piece cast camshaft, and two valves per cylinder (16 in total). The L33 has a sequential multi-port fuel injection system and a 78.0 mm electronic throttle ...

The .243 Winchester (6×52mm) is a popular sporting rifle cartridge. Developed as a versatile short action cartridge to hunt both medium game and small game alike, it "took whitetail hunting by storm" when introduced in 1955, and remains one of the most popular whitetail deer cartridges. It is also commonly used for harvesting blacktail deer, pronghorns and mule deer with heavier rounds, and ...

Even stock 243 heads flow great. AFR did a comparison between many different heads vs their AFR 215 & 225s on another site and the stock 243s stepped up hard even matching the 225s flow at .550 lift and besting the 225s at .600 lift (albeit on a 4.125 bore which is pretty big, LS1 is 3.90 and LS2 is 4.00). ... Come discuss mods, horsepower ...An interesting finding is that in contrast; an LS1 head is 10-30 CFM below an LS6 head through out the range, stock and ported, except in the following instance when coupled with an LS6 manifold: Ported LS1: 166 / 211 / 229 / 244 / 257 / 269 / 277 / 283. + Port matched LS6 Intake Manifold. Note that the ported LS1 head with the LS6 manifold out ...

you can get there easly with 243 heads and a good mild cam. Look for a cam in the 225-230 duration with @ .600 lift and you will be fine. here is an example ... No, it would have come with 853 castings. Reply Like. 01-30-2010, 09:35 PM #11 Quick 68. Racer . Member Since: Mar 2007. Posts: 313 Likes: 0 Received 0 Likes on 0 Posts ...Find Parts and Accessories 243 heads KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Use your Summit Racing SpeedCard today, and get up to 10% back - Get Details! ... Cylinder Heads, Remanufactured, Assembled, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Workhorse, V8, Each. Part Number: VRE ...The 243 heads are factory cylinder heads that were used on the LS6 engine found in the 2001-2004 Chevrolet Corvette Z06. They are made of aluminum and have a small combustion chamber, which can result in high compression ratios.St. Jude Donor '03. 853 and 241 are basically identical. 853 was used on 99-00 LS1 engines. 241 was used on 01-04 LS1 engines. They both have a 66.67 cc combustion chamber (10.1 CR), 200cc intake runners, and 70cc (round) exhaust ports. The 243 head is the 01+ LS6/LS2 head.Patrik Balent. Updated on January 5, 2023. Cylinder heads are an important part of any engine and can make a big difference in the performance of your vehicle. It is …7477 posts · Joined 2005. #5 · Jul 14, 2010. The .040" Cometic gaskets will raise compression ratio, not lower it. That said, the GM MLS gaskets seal up the best and are a decent price. I got mine from Texas Speed. Get the LS1 gaskets that are 3.910" bore diameters. That's what I used and I have no problems.Upgrading LM7 Cylinder Heads. The stock heads can be CNC ported for more airflow and milled up to .030 in. for more compression. Flow numbers can be as high as 325 cfm at .600 lift. Lightweight hollow stem LS3 valves can be cut to 2.000 in. to fit the seats. Between the light valves and better springs, the engines will pull cleanly to 7000 …Apr 15, 2022 · For instance, the 799 cylinder heads come with a smaller combustion chamber than its counterparts. So porting to 799 LS heads would mean milling the cylinder heads to cover up for the bigger size of the former combustion chamber. Material Make. The 799 heads have an aluminum build that can withstand high temperatures. Aluminum is a good ...243 04 up LS6 aluminum center bolt 5.7 ***These castings were also used around 05 in truck applications*** 862 99 and up 4.8-5.3 Truck heads 706 99 and up 4.8-5.3 Truck heads 799 05 and up 4.8-5.3Truck heads ***reportedly came on a few corvette's too*** These are basically 243 Heads 873 99-00 LQ4 6.0 Iron center bolt heads

The LQ4 is a 6.0L LS (Gen. 3) small block engine used in GM trucks between 1999 and 2007. For marketing purposes, it was also known as the Vortec 6000. The engine specs and information listed here is for the stock LQ4 engine. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the GM family ...1582 posts · Joined 2005. #1 · Oct 15, 2005. What year explorers did the GT40 come on, I think they started in 96 right?? and the GT40 P's were 98 right?? Im going to the local yard to do some hunting for some heads, is there a big difference in the GT40p's vs. the regular ones?? Im just trying to put together a real cheap setup, for a daily ...The Gen III block can be iron or aluminum, and you will see 4.8/5.3L cast into the front of the block. Both the 4.8L and 5.3L have the same bore yet different strokes. The 4.8L has a 3.27-inch ...

862 heads vs 243. The 862 casting number represents the 862 cylinder head. The 862 heads came on all LQ9 6.0 engine blocks and are completely interchangeable with the 243 cylinder head. Both the 243 and 862 heads have the same 64cc combustion chamber, but there are some very slight differences in the pore size of the two heads.

If you are asking, “What did 243 heads come on?” The 243 heads were typically found in GM’s C5 Corvette; however, it was later ported and now found on engines like truck specs LQ4 and LQ9. The LS6 was designed to work with the Corvette’s titanium exhaust system in order to deliver extra power.

85 posts · Joined 2006. #1 · Aug 31, 2014 (Edited) I've been floating the idea of buying a high mileage 05-06 GTO for 8-9K and simply putting in a fresh 416 short block, rebuild the stock 243 heads, put in a Lingenfelter GT2-3 Camshaft (207/220 duration @ .050 lift -.571/.578 lift with 1.7 rocker 118.5 CL), new springs & lifters and then ...Sep 28, 2011 · I would think a 243 head is a 243 head, I think I read that the 243 was used on the LS6 Z and all LS2 motors had the 243 heads. Mr.Bill Reply Like 09-27-2011, 08:43 ...1964 posts · Joined 2006. #5 · Nov 27, 2009. 2000WJ has 0331 head casting. 1999-2001 (WJ) had the weaker 0331 casting prone to crack between the #3 and #4 cylinders. 2002-2004 (WJ)-2006 (TJ) is the head you're looking for. Still 0331 casting so it will bolt up perfectly, but recast much stronger in the problem area.We didn’t want to spend big money on a fancy set of CNC-ported heads, as we’d already used up most of our budget on that beautiful K1 Technologies rotating assembly. According to the internet, some of the best cathedral port LS heads available have a 243 casting code, and would have originally come on 2001 or newer LS2 and …

Apparently 243 is also a Castech head from the picture above my post. Is it only the 706 that has problems, or is it any head from Castech? I seriously doubt the dealer that has a '02 I'm looking at is going to pull the valve cover and rockers to look for one little symbol. ... Come join the discussion about performance, modifications ...Jun 12, 2023 · The 799 heads are superior to the 243 heads for automobiles because it is more efficient. Because it has a larger capacity, the Chevy 799 heads are better than the 243 heads. Most cars with 4 or 6 cylinders can use the 243 heads. Compared to its rival, the 799 cylinder head, it has more ports for greater air intake and exhaust flow, resulting ...Trucks with 243 had heavier valves. I heard people trying to claim they have zo6 heads but come off a truck. ... 2005 Pontiac GTO,NaturallyAspirated 418", 243 heads,stock water pump,3.73 gears, NW 102mm TB,matchported FAST 102,DuSpeed OTR, Bullet Racing 242*/249* .650"/.650"cam, Tick Performance tunedThat's a new engine with forged internals and more cubes than an LS3—although we admit a crate engine is a lot less work. LS3 6.2L 376 ci (430hp) - $7,362.65 Summit Racing. LS3 6.2L 376 ci (525 ...The main difference between 799 and 243 heads is the amount of valve lift that they can provide. 799 heads have a higher valve lift capability than 243 heads, meaning they can provide more airflow into the engine. This often results in increased power output from the engine. 243 heads also tend to be lighter than 799 heads, which can be ...Did the 5.3 come with 243 heads? Of course, today’s 5.3 and 4.8 both have 243 heads that are factory-designed. 243 heads were included in the LS6 engine produced between 2001 and 2006. You can determine the 243 heads on the 5.3 by examining the three-digit stamping next to the valve cover.Gas prices have fallen below $3 a gallon in nearly half of the US as demand slows heading into the Christmas holiday season. The average price for a gallon of gas has dropped below...Jun 7, 2018 · 799 heads do not have the issue like the castech heads. 243 heads first appeared in 2001 on the LS6 Engine. First appeared in the Silverado in 2005 on the L33 5.3, and continued up until 2013. 2007.5-2013 SIlverado's with the 4.8/5.3 all used 243/799 heads. 799 heads first appeared in 2005 on the 4.8/5.3 Engine and continued til 2013.Apr 28, 2013 · 2004 GTO M6, 243 heads, 224/228 TSP cam, Svede intake, JBA Shorty's Catless Mids 383HP/376TQ Whiteline RR bushings, Rear Sub frame, Diff inset and trans insert. Save Share. Like. ... Come discuss mods, horsepower, engine specs and more! Show Less . Full Forum Listing. Explore Our Forums.2007 head issues #243 vs. #799. I read a thread not long ago on C6 general about a difference in the heads on the born in Oct. 06 C6's that GM used, they used #799 heads as opposed to #243 heads. The person who wrote the thread said his numbers on the dyno where significantly off from other vettes tested. They said there was a difference in the ...706 heads are very affordable. 706 heads are plentiful and easy to find. 706 heads have smaller chambers, so you don't lose compression. 706 heads are slightly superior to 862 heads due to how ...Stock heads with Brian Tooley top end kit installed by PCMOFNC. 2008 Heads had 60k at install and 64k when removed for my LSX head swap this year. Perfectly fine. I can give you my personal info and you can verify with Kelly. 450 OBO plus shipping and PayPal fees. Sent from my SM-G935T using Tapatalk.The Gen III block can be iron or aluminum, and you will see 4.8/5.3L cast into the front of the block. Both the 4.8L and 5.3L have the same bore yet different strokes. The 4.8L has a 3.27-inch ...It's a 2004 A4 LS1. Lots of good info here. I can't seem to find much on these 843 heads except they're older than what comes with my car. A friend of a friend is looking to sell them to me for $1000. He said they're used off an older corvette, cnc'd on intake exhaust and combustion chambers, new stock valves with 3 angle valve job, ls6 yellow ...Katech logo laser etched on both ends. Note: Re-assembly and valve reconditioning not included. This program works on the following head casting numbers: 243, 799, 317, 035. Now you can get this porting service on your cylinder heads at an incredibly low cost! Simply follow this procedure: Remove the cylinder heads from your car, print a copy ...It includes a new ported/blueprinted LS6 oil pump, LS7 lifters, lifter buckets, LS2 timing chain, and GM MLS head gaskets. I will order the pushrods once I measure for the correct length. Already purchased a 25% underdrive pulley. ARP heads bolts, header bolts, and balancer bolt. The LG headers already come with GM exhaust gaskets241 vs 243 the 243 is a better head. Ported vs Ported the 243 is a better head. The AFR heads are 205CC intake runners. They do this to keep velocity up. Many porters go larger then this "225+" which can effect you TQ curve at lower RPM's. I'm using a set of 317's with 225CC intake runners that flow 310 at .6000.

The casting numbers and heads you want for the Z28 are the 186 numbers you mentioned. 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. 3927186 (DZ 302 Heads)The other 041 numbers you entered are for other small block applications and and ...The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management (AFM). The LH6 was available in mid-size SUVs until 2009, and in GM pickups from 2007-09. For marketing purposes, it was also known as the Vortec 5300.For this comparison, we tested the L92 heads on the SuperFlow 600 bench at Jim Grubbs Motorsports using a 4.030-inch cylinder adapter, while the LS7 head-flow numbers came from the GM Performance ...LS engine junkyard performance parts ! NNBS TBSS intake manifold and 243cylinder heads from a 2007 - 2008 Chevy Avalanche LC9 aluminum 5.3 gen4 LS engine. R...The 243's have bigger valves which do better on 4.0" and larger bores. On the smaller 3.898/3.78" bores of the LS1/6 & all 5.3/4.8's the 706 are very decent. On a 4.00" bore of an LQ4 though it is splitting hairs. On the same cam, on the same engine, the heads are going to perform within +/- 5hp/5tq of each other, it is almost meaningless.Chevrolet LS rectangle port heads need at least 4.00 bore. 5.3 and 4.8 are 3.78". LS7 heads require even larger. All 4.8s, 5.3s, and 5.7s came with cathedral port heads. Like mentioned, the square port heads were not put on any engine with a bore smaller than 4”.Same heads. 243/799 castings. But the LS6 (Z06) had hollow intake and sodium filled exhaust valves. Believe that is the valve arrangement. Either way, they had lighter valves. I went with a set of 243 heads off an 08' 5.3L truck engine. Sent them to Advanced Induction for their cnc magic. Get the set off the LS2.

Feb 25, 2011 · Exhaust flow at .600" - 180 (241) / 183 (243) The 243 heads have a D-shape exhaust port that improves flow and came with higher lift valves springs. Both heads came with 2.00" intake valves and 1.55" exhaust valves. To my understanding, this is all the difference. Last edited by R6cowboy; 02-26-2011 at 01:52 PM.The LH6 engine is a 5.3L Gen. IV aluminum engine that replaced the LM4 in 2005. It was the first Gen. IV LS truck engine and offered Active Fuel Management (AFM). The LH6 was available in mid-size SUVs until 2009, and in GM pickups from 2007-09. For marketing purposes, it was also known as the Vortec 5300.The 5.7L LS6 is the most powerful Gen. 3 small block engine as it came from the factory. It is an improved version of the LS1 produced for the 2001 Z06 Corvette. The LS6 powered the 2001-04 Corvette Z06 and the 2004-05 Cadillac CTS-V. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch of the ...If the 243 head is off of a Z06 and has yellow valve springs then it will have lightweight valves which drop valve train weight. 243 heads are better in every aspect then the 241 heads but 241 heads are not junk either. They are a good head. ┌∩┐ ( _ )┌∩┐. Man: The Mods you are fighting,Jan 5, 2023 · The 243 vs. The 799 Cylinder Head. As you have most likely caught on by now, these two cylinder heads are practically the same. The main difference between the 243 and 799 cylinder heads is that the 243 was used on older engines from GM Research, while the 799 has been used on newer engines from multiple manufacturers.The intake manifold is the most important element in swapping from a cathedral to a rectangular port head. To match the runners, this factory LS3 (PN 12610434) or an L76 manifold are the most popular. It is important to note that there are some minor differences between the L76 and LS3 intakes, such as a screw-in MAP sensor instead of the Gen ...I was thinking more along the lines of a ported 243 casting with a fast 90 (i figure at least $3300 for the whole kit and kabootle) figuring 2K (lets use livernois stage 3R's for pricing purposes) for the heads and 1300 for a ported fast. I havnt seen many guys go with a setup quite like this so im not sure what the powerband will look like ...If the 243 head is off of a Z06 and has yellow valve springs then it will have lightweight valves which drop valve train weight. 243 heads are better in every aspect then the 241 heads but 241 heads are not junk either. They are a good head. ┌∩┐ ( _ )┌∩┐. Man: The Mods you are fighting,243/799 LS CNC Ported Heads. Speed Works has teamed up with Wilkes Performance to bring you the most powerful heads available. We have a few options you can purchase such as a pair of Stage 1, Stage 2, Stage 3, or Stage 4 LS 243/799 Cathedral casting 5 axis CNC Porting with stainless valves and WP .660 dual race springs with WP titanium retainers.78 posts · Joined 2009. #11 · Jul 19, 2010. The 2 popular heads are 243 &799 heads for the ls1.Either head will add about10- 20hp to the wheels. mods=stock 243s,85mm typhoon intake&tb,pacesetters&catless mids,85mm ls2 maf,svede otr,predator 224/231 cam,42# inj. and aComplete Street Performance dyno tune= 415/386.The 243s and 317s flow the same. The only difference is the 317s have a larger combustion chamber so the compression is lower. You'd gain maybe 5-10 HP/TQ swapping to 243s from the bump in compression and you may feel a little extra snappiness from the extra low-end TQ. Regardless, it's not worth it stock-for-stock.You're deep in dreamland when you hear an explosion so loud you wake up. Figure out the origin of exploding head syndrome at HowStuffWorks. Advertisement Just after curling up into...The P heads have one more vertical bar. Also, the gt40p heads are simply the best flowing heads that ford ever produced for the small block Windsor motor. 1998 5.0, fitech efi, holley in tank returnless pump. 4R70W transmission with USShift quick 2 controller. 3.00:1 8" open rear end.If you hear that your kid (or one of their friends) has head lice, your first reaction might be a mixture of disgust, panic, and an urge to disinfect everything in your house. That...Originally Posted by silverz28camaro. the 853 heads are stock from 98-00, then they had the 241 head which was pretty much the same head. If you find a 243 head then you are in business they are the ls6 head. If the 853 you have now are ported then you may have something. Take pics of the intake ports and post them up.My 2007 came with 243 heads stock. the 862's are off the early 4.8-5.3 motors after about 99 I believe. I also believe texas speed used to have the 2.05 valve opton on those heads at one time. I run 2.04 valves on mine. 12-30-2010, 08:54 AM #7.get those projects done! should you run 706 heads on your 6.0l for more torque? what about the change in compression and detonation? what if i have to retard...7477 posts · Joined 2005. #5 · Jul 14, 2010. The .040" Cometic gaskets will raise compression ratio, not lower it. That said, the GM MLS gaskets seal up the best and are a decent price. I got mine from Texas Speed. Get the LS1 gaskets that are 3.910" bore diameters. That's what I used and I have no problems.The LC9 engine is a 5.3L, Gen. 4, aluminum small block engine used in GM trucks and SUVs between 2007-2011. For marketing purposes, it was also known as the Vortec 5300. The engine specs and information listed here is for a stock LC9 engine. Mechanically similar, General Motors’ LS and LS-based Vortec engines wound up on almost every branch ...

243 heads, 05/06 FRC~ Jump to Latest Follow ... Come discuss mods, horsepower, engine specs and more! Show Less . Full Forum Listing. Explore Our Forums. Appearance/Detailing LS1/LS2 Engine Tech Texas Drivetrain Wheels/Tires. Top Contributors this Month View All

The main difference between 799 and 243 heads is the amount of valve lift that they can provide. 799 heads have a higher valve lift capability than 243 heads, meaning they can provide more airflow into the engine. This often results in increased power output from the engine. 243 heads also tend to be lighter than 799 heads, which can be ...

get those projects done! should you run 706 heads on your 6.0l for more torque? what about the change in compression and detonation? what if i have to retard...At this point, I think we should all get to agree with the port terminology of BB cylinder heads. All dimensions are darn close if not right on, it's from memory. Rectangle is 2.125" tall x 1.240" wide, Oval is 1.900" tall x 1.065" wide, Square (peanut) is 1.065" tall x 1.065 wide. All refer to intake port configuration, not plug thread/jacket ...Nov 3, 2009 · 24227 posts · Joined 2006. #4 · Nov 4, 2009. I saw a post somewhere that showed that the stock 243's flow very well. I'd have them cleaned up by a pro. Save the aftermarket heads for use with a big cam and high rpm use. You will see gains with the aftermarket, but the $$$$ might not be worth the hp gain.doing math an saying you have 2cc worth of valve notchs i got you around 12-1 comp wise with the 58.5 in for head cc an pistons out .006..with the 60cc 243s i got you at 11.8-1 with 2cc notchs,.006 out and .040 gaskets..hope this helps. I had them actually cc'd after I removed em.. 61.5.. Steve. 408, th400, 1100rwhp..Update on 601 heads on 350. I finally got the last of the tuning issues cleared up, and the 601 heads are working great. The history of the project is in another thread in the Engine section, but the upshot is they are doing everything I wanted. I had 200 CC IEs on it and switched to these, the smaller ports and chambers give me tons of low end ...Intake and Exhaust Ports. The intake and exhaust ports on the 243 heads are larger than those on the 799 heads, which allows for more air and fuel to enter the engine. This can result in higher horsepower and torque output. However, the smaller ports on the 799 heads can provide better velocity and airflow at lower RPMs, which can be beneficial ...MattGTO said: I just recently put together a stock LS1 short block with new bearings, rings, honed cylinders, etc. I put a set of stock 243's on it with all comp trunions, comp springs, and pushrods. I also put an MS4 cam from texas speed in it, .649/.600 239/242 111.5 LSA 110 ICL are the specs. Has ebay long tube headers on it and a K&N CAI.An interesting finding is that in contrast; an LS1 head is 10-30 CFM below an LS6 head through out the range, stock and ported, except in the following instance when coupled with an LS6 manifold: Ported LS1: 166 / 211 / 229 / 244 / 257 / 269 / 277 / 283. + Port matched LS6 Intake Manifold. Note that the ported LS1 head with the LS6 manifold …This listing is for a rebuilt GM 5.3 liter V-8 cylinder head. These heads come on GMC and Chevrolet trucks and SUV's. For other models see our store listings. This head is completely rebuilt. It has been pressure checked for cracks and resurfaced. Guides and seats have been replaced as needed. New VITON valve stem seals have been installed. All heads are given a valve job. All valves have been ...

free doordash codes for existing userswinco locations in californiamanure spreader chainbest ground general evony What did 243 heads come on bedpage fort worth [email protected] & Mobile Support 1-888-750-5499 Domestic Sales 1-800-221-8599 International Sales 1-800-241-3535 Packages 1-800-800-3630 Representatives 1-800-323-8472 Assistance 1-404-209-6212. Chevy 706 LS Heads are high-performing cylinder heads that offer enormous power at an incredible price. They are the most affordable and most effective remanufactured cylinder heads that can be used for a 4.8L, 5.3L, and even 6.0L LS engine build. Their thin cross-section depicts a high-velocity and smaller-volume runner design with an .... spendwell com activate Compression Ratio & Combustion Chamber Size. I'm looking to install a set of 243/799 heads on my 5.3. The stock heads have a combustion chamber volume of 61.15cc, and 243/799 heads have a volume of 64.45cc. My stock compression ratio is 9.5:1. I already know that I need to mill the heads .007" to lose 1cc of volume.Some early LS heads from 98-01, both the 853/806 LS1 and the 706/862 5.3/4.8 had the casting notch. The notch disappears sometime in 2001 but nobody is sure. Only way to verify is to physically look for the notch on the gasket surface. If the heads have the notch, you must use the early graphite gaskets. ronald meadows funeral home wvcracker barrel employee login wage statements Thanks! The 2007 year had three 5.3L motors offered. The 2007 Classic (still a NBS) had the 5.3L with either the L59 (flexfuel version) or the LM7. The 862/706s are on the 99 and up 4.8/5.3L motors. The only difference about the L59 motor was the injectors. 2005 and up motors had the factory electric fans and electric TB. jailtracker carter county kyzupas cafe nutrition New Customers Can Take an Extra 30% off. There are a wide variety of options. Did the 5.3 come with 243 heads? Sometimes referred to as the LS-family , engines such as the 5.3 and 4.8 come equipped with factory designed 243 heads. This design was implemented by General Motors starting in 2001 all the way up until 2006 when they stopped production of their LS6 engine which also featured these 243 heads. If you want to ...243 04 up LS6 aluminum center bolt 5.7 ***These castings were also used around 05 in truck applications*** 862 99 and up 4.8-5.3 Truck heads 706 99 and up 4.8-5.3 Truck heads 799 05 and up 4.8-5.3Truck heads ***reportedly came on a few corvette's too*** These are basically 243 Heads 873 99-00 LQ4 6.0 Iron center bolt headsThat's a new engine with forged internals and more cubes than an LS3—although we admit a crate engine is a lot less work. LS3 6.2L 376 ci (430hp) - $7,362.65 Summit Racing. LS3 6.2L 376 ci (525 ...