Huge Selection of LS Camshafts & Kits in Stock. Free Shipping on Orders Over $99 .p65Warnings.ca.gov Categories: CNC Ported GM Cylinder Heads , Cylinder Head Porting Services , LS , LS
Only 02-04 243 heads that came off of an ls6 z06 or cts-v have the lightweight valves. 01 243's and any other 243's that came off an ls2 or other engine have regular valves so they are the exact same as 799's. Also 2001 243 z06 heads have blue springs which had less lift capability, .525 instead of.570 the yellow springs came out in 02 because. CNC Porting Bundle LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR) SKU: KAT-A7266. CNC Porting Service. Starting at: $ 999.99 Expected to Ship in 10 business days. Starting at $91 /mo with Affirm LS1/LS2, E-CNC 215. These 50-state-legal heads are fully CNC-ported, and a nice upgrade over stock LS1, LS6, or LS2 heads. The cost is kept down, but the quality is kept up. These heads are a great choice for a stock-cube build, yet provide plenty of room to grow-giving plenty of material for further porting In a more rural area, where there's a lot more modern trucks in the junk yard, LS parts are more plentiful and it drives the price down. $350 for heads that are already milled is a decent deal in our area, not a great one. 243/799 heads typically sell for $350-$400 in our area, so you're basically saving yourself the cost of the machine work Small Block Chevy LS Cylinder Heads by Casting Number 10215339 - LS Small Block V8 1997 346, LS1, aluminum, 68cc chambers . 12480005 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
As expected, the 799 heads offered the highest peak flow, with 250 cfm coming at .700-inch lift—though a value not generally relevant to most LS enthusiasts 799 Problems And Our Heads Are One. When we tore down our $400 LS1, we discovered some positive things and some negative things. We also discovered a horrible thing: The stock 853-code heads, which are regarded as some of the worst flowing to ever top an LS-based engine
Joined Sep 20, 2005. ·. 19,437 Posts. #2 · Jun 6, 2011. yea they will bolt right up. 799 is the same as a 243 head that comes on the ls2/ls6 ect.. they will bolt right up and should give you i think around 10.5to1 compression... they are pretty good stock heads. im running a set of 243s milled and p&p on my lq4 A Look at LS Cylinder Heads Mike Mavrigian August 7, 2014 The range of original equipment GM LS cylinder heads offers decent performance out of the box, the mostly notable of which is probably the L92 head. Note: A Mexican LS2 cylinder head, casting number 799, is also available, but features a rougher finish than the U.S. casting
Oh, if you have the 799 castings -- the only thing Corvette about them is the valve springs/retainers! Still a desirable set of LS1 heads though! Supposedly, the 243 mold was done at GM Research, the 799 mold furnished to other vendors. The same vendor may have the 243 and 799 mold. Both heads have identical sized intake and exhaust valve I compared a set of stock 799/243 cathedral-port heads vs the 823 LY6 rec-port heads on an LY6 short lbock. The motor was equipped with a healthy Comp cam an.. The price listed is for you sending your cathedral port cylinder heads (4.8/5.3, LS1, LS6, LS2, LQ4/9) to us for porting. Our stage 1 porting service will include the re-use of the stock vales. Stage 2.5 will include aftermarket 2.02/1.57 stainless steel valves. We also offer valve spring upgrades. With all PRC cylinder heads, quality and. Chevy Silverado GM Vortec GMC Sierra Cylinder Heads PAIR LS6 LS2 Cast# 799 / 243. Refurbished. 5.0 out of 5 stars. 1 product rating. - Chevy Silverado GM Vortec GMC Sierra Cylinder Heads PAIR LS6 LS2 Cast# 799 / 243. $709.99. or Best Offer. Free shipping. 20 watchers Rebuild Service GM 862 243 706 799 Cylinder Heads Lsx Ls1 Ls2 Head Rebuilding LS. $399.00. Free shipping . Check if this part fits your vehicle. Contact the seller. Picture Information. Opens image gallery. Image not available. Mouse over to Zoom- Click to enlarge. Move over photo to zoom.
Essentially a 243 head with different casting numbers, the 799/243 heads are considered to be the top of the line, factory, cathedral-port offerings. Tested on a flow bench, the 799 head offered right at 249 cfm at .700 lift on the intake and 191 cfm on the exhaust. It should be pointed out that the 799 head featured a 2.0/1.55 valve combination All LS heads, with the exception of the LS7, feature as-cast chambers and ports, which means that these surfaces are cast to finished form with no extra machining. The LS7 heads however, feature CNC-machined chambers, intake ports and exhaust ports. All LS cylinder heads, with the exception of the LS7 heads, are interchangeable among blocks
HO LS Engine 799 heads. I used a little lunati cam with the aide of fitech. Running 4:10 gears. This is an 1979 Cadillac Seville 4 wheel disc brakes. Power band starts 1800-6400 Still test and tuning. Stay tune for results. Reply. marvin says: December 6, 2020 at 5:04 pm 799 Ported Heads ONLY on an LS1. This is a discussion on 799 Ported Heads ONLY on an LS1 within the Internal Engine forums, part of the LSx Technical Help Section category; Tried this question on another forum and was hoping a few replies to confirm. Only got one reply. This week. Joined Jul 12, 2004. ·. 892 Posts. #2 · Oct 13, 2010. The 799 heads will need to be milled a bit to get the compression ratio back to where it needs to be. That will determin what pushrod to go with. The stock heads should be something like 61.15 cc. The 799 heads should be 64.45 KAT-A7266 CNC Porting Bundle LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR) $ 999.99. Buy in monthly payments with Affirm on orders over $50. Learn more. CNC Porting Service Used, rebuildable 799 LS cylinder heads. PRICE IS $400 FIRM. Couple broken exhaust bolts. Otherwise great rebuildable condition. Won't respond to (is this available). If you have a question ask it. May ship for fee
LS1 LS3 LS7 243 799 862 706 317 CNC ported APPAREL. SERVICES. EQUIPMENT; OUR WORK. ABOUT US. Shop. More. 0. LS Series Heads. Quick View. CNC porting service for customer supplied LS Castings. Price $750.00. Add to Cart. Quick View. CNC Ported GM 243 / 799 Casting. Price $1,150.00. Out of Stock. Quick View. CNC Ported GM 862/706 Casting. 101. You could also mill the heads. It takes .007 milling to remove 1cc from an LS1 head. If you have a stock 66cc chamber and you want to get down to 63cc chamber, 66-63 = 3 (you'll have to remove 3cc's) .007 x 3 = .021. So to get your 66cc chambers down to 63cc you'd have to mill .021 The LC9 engines also came with 799/243 heads. In 2008 and 2009, Chevy also had a simpler 5.3L engine designated the LH8, which can be identified by the letter L in the 8th digit of the VIN. This was an aluminum blocked engine that had the 243/799 heads but didn't have AFM/DOD or VVT
Dec 23, 2016. #2. I'm no expert on this but, 07 on 5.3's had the 243 heads and from what I read they are the most desirable.The 243 and 799 heads are pretty much the same, dismantlers claim that they often find one of each on the same factory truck engine. You might want to do some research into the 243. Last edited: Dec 24, 2016 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. Just to get to.. It's a 1999 LS1 can't remember the heads it's been awhile sense I looked If you're just wanting to bolt something on and that's that, then Yes, 243 and 799. If your engine is unmolested, a 99 Ls1 is most likely going to have a 853 on i Ultimate LS Rectangular Port Cylinder Heads Guide. September 21, 2015 by LS Engine DiY. Rectangular port heads boast a clear advantage in the flow department and are ideal for high-RPM, big-cubic-inch, and purpose-built drag racing applications. Factory castings are capable of 360 to 400 cfm when ported properly, which can make it difficult to. 799 vs 243 heads. Jump to Latest Follow 1 - 4 of 4 Posts. slikster · Registered. Joined Nov 18, 2006 · 109 Posts . Discussion Starter · #1 · Dec 3, 2010. I found a set of 799 heads for 400.00 new..
799 Heads. 12 Gmc Sierra 1500 799 243 Casting Cylinder Head Set Pair Ls Lsx Ls1 5.3l 6.0l. Reman. Cylinder Head Complete Gm Chevy 4.8l 5.3l 5.7l 6.0l Ohv 243 799 Ch1060r. 01-16 Chevrolet Impala Corvette 4.8l 5.3l 5.7l 6.0l Cylinder Head 799 Factory M. New Victor Reinz Engine Cylinder Head Bolt Set 143231501 11127548799 For Bmw 100% CNC'd 226cc GM LS6/LS2 Cylinder Head Package. GM's #243 or #799 LS6/LS2 head casting is the most sought after GM cathedral port casting. At a mere 15 cc over stock volume this particular port sees gains of over 40 cfm on the intake utilizing a factory GM 2.00 valve. This package has found great success amongst enthusiasts seeking area. All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology. PRC's stage 2.5 LS6 Cylinder Heads come standard with the following options: SEASONED GM 243 or 799 Cores. 2.02/1.575 Stainless Steel Valves. Your Choice of Spring Kit. Completely Assembled and Milled to your Specifications TRICK FLOW 245 CYLINDER HEADS - BUILD YOUR OWN*. As low as $2,499.95. Add to Cart. Please to add to Quote. BTR LS1 SHAFT ROCKER KIT. As low as $309.99. Add to Cart. Please to add to Quote. BTR LS3 SHAFT ROCKER KIT
There are three basic differences between the LS1 and LS6 heads. The first has to do with port shape. The LS6 and the later LQ9-LQ4 heads used reshaped intake ports and D-shaped -- as opposed to oval-shaped -- exhaust ports for better flow: 200 cfm intake and 70 cfm exhaust for the 241's, and 210 intake and 75 cfm for the 243's Further, in no event shall the liability of ENGINEQUEST exceed the individual price of the Product on which liability is asserted. Unauthorized repairs will not be paid. Remanufactured oil pump and timing cover warranty is void if pump cover has been removed or altered in any way Trick Flow Specialties TFS-30510001-C00 - Trick Flow® GenX® 205 Cylinder Heads for GM LS 4.8L/5.3L/5.7L (Vortec) Cylinder Head, GenX® 205, Competition Ported, Assembled, 58cc CNC Chambers, GM LS Vortec, Each. Part Number: TFS-30510001-C00. Not Yet Reviewed. Estimated Ship Date: 9/20/2021 if ordered today $799 (cht > 3rd NO EXCUSE A+ BBB TOW BIG TIRES OR HP LS CONVERSIONS ) pic hide this posting restore restore this posting. $1. LS1 LS2 LS 6 Lm7 New Cylinder Heads $850 Pair Camaro SS GTO Corvette $850 (bhm > Tampa Fl ) pic hide this posting restore restore this posting. $899
JEGS LS3 Aluminum Cylinder Head is the perfect replacement or upgrade for your LS based engine. Starting with a new aluminum casting these heads are fully assembled with 2.165 in. intake valves and 1.59 in. exhaust valves. They have a 69cc combustion chamber and accept 14 mm x 3/4 in. reach spark plugs Anyone have any cam recommendations for an LQ9 with LS3 heads and intake? This is going into a 70' Chevelle with a (forthcoming) T56. I would like to see a solid 500hp at the flywheel, but not looking for anything too extravagant (driveability is still key). The engine is otherwise planned to be stock-ish. I've seen recommendations for the Comp Cams XER 232/240 112+4 LSA or 236/244 112+4 LSA. Z Whip M12 1.5 LS Coolant Temperature Sensor Plug Cylinder Head Temp Water Aluminum Hex Plug Metric Thread LS Swap LS1 LSX LS3 Vortec 5.3L 4.8L 5.7L 6.0L 6.2L LQ4 L76 M12-1.5 M12x1.5 ICT Billet LS Engine Swap M12 1.5 Adapter to 3/8 NPT Coolant Temperature Sensor Water LS1 LSX LS3 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 55117
Heads are sold as pair of a single casting numbers. We don't list them until they are done. 243 STAINLESS STEEL .625 PSI ML1511 6.0 5.3 4.8 CYLINDER HEADS LS1 LS2 LS6 243 | eBa eBay Motors: 799 LS2 LS6 Cylinder Heads LS1 LQ9 L92 <25K Miles 243 (item 220248637879 end time Jun-27-08 14:36:30 PDT) Somebody ck these out and tell me what ya'll think!! Im hesitant now since the last time I bought heads, off ebay, for my 6.0 and they ended up being 5.3 heads The engine is a 2005 lq4 6.0 with 317 (71 or 72 cc stock) heads and rated at a 9.4:1 CR. The 243/799 heads are 64 or 65 cc. If those heads unmilled were to go onto the lq4 mentioned above with a stock 0.051 or 0.052 head gasket, what SHOULD the compression ratio be
If so how much can I have them milled before I run into clearance problems. My current setup is a lq4 with 317s, g5x3 cam, hardened pushrods, headers, and intake. I am running an LQ9 with milled 799's (.020) and .041 head gaskets, with a small cam with .558 lift. I never even bothered to check PTV, and have no issues Below flow chart is for the 4.125 valve placement version of the BE LS Oval Port cylinder head with a 3.6 MCSA. It is also available with a 4.200 Max NA valve layout and port. The exhaust port in this chart is a raised version that requires a 2 header. A standard height exhaust port is also available. Flow numbers for that are roughly 20CFM. LS Heads Test - The Dyno Naturally, the answers came on the dyno, but not before deciding on a proper test mule. The all-aluminum, 6.0L LS2 qualified, but the most common (and affordable) option for swap motors is the iron 6.0L truck block (LQ4 or LQ9 are the most common, but newer Gen IV versions include LY6 and L76) Cylinder Heads. LS1 Mongoose - 15° Cylinder Head. AFR's, MONGOOSE, LS1 Cathedral Port cylinder heads are 100% 5-AXIS CNC ported and made with A356 aluminum. All heads come with high quality components, such as titanium retainers and Pac Racing Springs. Available in runner volumes from 210cc, 215cc, 230cc and 245cc
Run on the dyno in stock trim with the 317 heads, stock LQ4 cam and truck intake, the 6.0L produced 401 hp at 5,200 rpm and 432 lb-ft of torque at 4,400 rpm. Believe it or not, the 706 heads from the 5.3L are the most effective, and least expensive head upgrade for a mild, daily driven 6.0L. With plenty of flow to support the intended power. 490. The 799's are the same castings but do not have the sodium filled valves the 243's have. The valve sizes should still be a 2.00/1.56. The all aluminum 5.3 HO (L33) started the trend with 799 and flat top pistons for a higher compression (9.9:1) than the old iron LM7. I believe all three 5.3L (LMG, LH6, LC9) have the same configuration now HEAD INTERCHAGABILITY. LS1 and LS6 blocks will only accept LS1, LS2 and LS6 heads; LS2 blocks can use LS1, LS2, LS3, LS6, LS9 and L92 heads. LS3 and LS9 blocks can use LS1, LS2, LS3, LS6 and LS9 heads. LS7 blocks can accept any LS head. One other difference to note is the LS9 block uses 12mm head bolts while all others use an 11mm. ROCKER ARM Includes. Labor. Full CNC Porting. Valve Job and Surfacing. * Must Supply Your Own Cores *. We can customize these specifications and components to your application, just give us a call at 812-576-2371. Starting @ $1,150.00. Please call 812-576-2371 for details ask for Preston. BES / GM LS1/LS2/LS6 Heads - 317 Casting - Flow Numbers
I get requests for this engine all the time. YES, it is a very cool engine! It has the LS6, 799 heads and increased compression to 10.1:1. BUT it is also a VERY limited production engine. It was ONLY offered in Chevy & GMC 1/2 ton extended cab 4WD trucks in 2005, 2006, & 1/2 of 2007 - AND I have heard that of those years only about 10-15% of those trucks got the optional L33 To enjoy a quick replacement and high-strength components, install an aftermarket Chevrolet Silverado cylinder head from AutoZone's premium selection. Maximizing power, fuel economy and engine capacity means using high-quality replacement parts that are built for your exact make and model. Silverado cylinder heads from AutoZone feature a custom.
FED LS1 243/799/317/241 Cathedral Stage 1 Cylinder Heads (set) - Porting Service - Complete (Assembled) Read more FED LT4 6.2L 325cc Stage 1 Cylinder Heads (set) - Porting Service - Complete (Assembled Description. GM GMC CHEVY 5.3 5.7 6.0 LS6 LS2 OHV CYLINDER HEADS cast#799 ONLY 96-07 REBUILT. These heads are sold as a pair. Clearwater Cylinder Head, Inc. thoroughly cleans, inspects, and pressure tests all our cylinder heads. All seat and guide work is performed as needed on the lastest state of the art Serdi or Sunnen seat and guide machine
689.99. View Details. 799 Stainless Steel 625 Lift Gen 3 4 6.0 5.3 4.8 Cylinder Heads Ls1 Ls2 Ls6 243. 950.00. View Details. Gm Ls Cylinder Head 243 799 Assembled - Pair With Upgraed Rocker Set. 1,156.00. View Details. Gm Ls 706 806 862 241 799 862 243 Cylinder Head Rebuild Service 3 Buisness Day The LS heads are a 15 degree head, and they really like to move some air and breathe a lot, he explains. Cathedral and rectangle port LS heads like different amounts of lift at the valve for maximum air flow and velocity When I'm setting someone up with a new cam package, I want them to know it's best if you do new valve springs and. HAWKS 450rwhp Heads, Cam, Intake Kit - FREE SHIPPING IN THE US 48 STATES. We based this kit on years of testing, tuning, and using different camshafts, cylinder heads, and intake combos. This is by far the best bang for your buck when it comes to cheap HP. We have installed this kits on multiple LS1/LS6/LS2 engines and it is very repeatable 450.
Gen 34 799 Gm Ls H.o. Cylinder Heads 243799 Set Of Two Make Offer. 425.00. View Details. Rebuilt Gm Ls2 Ls6 Gen Iii Iv Cylinder Heads 799 W Rocker Arms Pair Oem. 699.99. View Details. Gm 799 Cylinder Heads Lsx Ls6 Ls1 Ls2 5.3 4.8 6.0 Cathedral Port Wrocker Arms. 549.95. View Details Edelbrock part #7142 Pro Flo XT LS3 intake manifold is designed for use on GM LS3 engines. This manifold will accept late model LS Drive-By-Wire throttle bodies or Edelbrock 90mm mechanical throttle body and is offered in a black powder coat finish In total he has posted nine videos on at-home LS head porting, showing steps ranging from shaping the valve guide bosses to blending. This particular video is part 4, all about porting the Short Turn Radius in the floor of the intake ports. This area has a small hump that acts as a speed-bump, and can really slow down your intake charge's. BRODIX delivers the industry's most durable replacement for the LS style cylinder heads with the introduction of the BR series. The BR 7 is an out-of-the-box version that comes standard with 71 cc combustion chambers, bowls blended, and intake ports matched. The STS BR 7 is a 100% CNC ported version that flows over 375 cfm High performance premium cylinder heads and components for LS & LT applications. We design and manufacture a large line of cylinder heads for LS1, LS3, LS7, LS9, LT1, LT2 & LT4 engine platforms. If you are looking for more power and better performance from you LS or LT engine, look no further