WebPorting Ls 862 Heads For Velocity. admin. porting. heads, porting, velocity. Prev post. Aluminum Cylinder Head Rectangle 124cc 345cc Port Bare Fits BBC Chevy 454. Next post. Alu Cylinder Head Rectangle 124cc 345cc Port Bare Fits BBC Chevy 454 of 2Pcs. Search for: Archives. April 2024; March 2024; February 2024; WebOct 14, 2024 · CNC Ported 862 LS Heads- The Ultimate New Gen Cylinder Heads The CNC Ported 862 LS Heads are the most demanding cylinder heads in the modern era. They come with all new stainless steel swirl polished 2.00 and 1.57 valves, new springs for up to .650 lift, new retainers, spring seats, and valve seals.
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WebCNC Ported LS 5.3L 862 Cylinder Heads, Customer Supplied Casting. $999.95. Options. Resurface for MLS Gaskets + $150.00. Add to Cart. Qty. Share. Add to Wish List. ... Porting service for LS 5.3L 862 aluminum … WebOtherwise running stock 706 heads and stock truck intake with DBW throttle body. I have a spare LS short-block that is also an LM7 (I think) with 862 heads and no intake on it. My plan is to rebuild the spare block from the inside out with all new bearings, BTR "Torque" cam, Weiand aluminum intake, and then port/polish the heads. haasenkonijn
706/862 LS CNC Ported Heads - Speed Works LLC
WebMar 29, 2024 · The CNC-ported LS9 heads blend the engineered strength of the LS9 cylinder head design, which is constructed with A356T6 aluminum alloy, with the airflow enhancements provided by GM's extensive testing. The result is a ten percent improvement over the unported LS9 head. And while concerns about durability are logical – porting … Web280cc Full CNC Porting Package Our most powerful GM casting based LS head. Typical stock short block LS7's manage 590-640rwhp SAE with daily drivable hydraulic cam … WebJun 8, 2016 · Location: Raleigh, NC. Re: LS 862 head porting. by nobody special » Wed Jun 08, 2016 1:45 pm. The 317 heads basically have the 243/799 ports but with a 70cc combustion chamber. Going to the smaller chamber for increased compression is worth some power. The 317 replacement costs seem to range from $150-$300 per pair. pink eye in italian