summit racing ls3 hyroolic cam cnc ported cylinder heads

These flow numbers are tested with correctly sized bore adapter and no exhaust pipe. LSXceleration XF3 LS3 280cc/68cc 11 CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0.660' Lift, Tool Steel Retainers 15-361232-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. If you are planning to use the Lingenfelter GT-19 or GT-21 camshaft Lingenfelter recommends upgrading to Ferrea dual springs, titanium retainers & valve locks. As engine builders and unlike folks who just port heads, we recognize that peak flow bench numbers are not the ultimate objective. They are machined on our state-of the art CNC equipment for the ultimate combination of performance, reliability and precision. Prices include checking your valve guides for proper size, if your heads require guide replacement the cost is $9.50 per guide. Description: Our GM LS3 CNC ported cylinder heads were designed by racers for racers. LS7 valve springs stock retainers, locks and GM valve seals We have specific setups for hydraulic roller and stock rocker use while also having a separate design for solid roller use with shaft.

From a heads cam LS build to a moderate power adder car. GM LS7 1.615 diameter hollow stemmed sodium filled exhaust valves CNC Ported GM Cylinder Heads FED LS3 821/823/LSA Stage 1 Cylinder Heads (set) Porting Service Complete (Assembled). Stock GM LS7 2.205 diameter titanium intake valves Lingenfelter LS7 cylinder heads are CNC ported in house to insure that exact tolerances are maintained.įollowing porting each head receives: Precision 3 angle valve job to maximize flow & provide extended life, CC checking chamber size for correct compression, surfacing to insure deck flatness, professional assembly, setting spring height & checking all tolerances.īase price package includes porting your complete customer supplied cylinder heads Buy Chevrolet Performance 88958770K2 at JEGS: Chevrolet Performance Hydraulic Roller Camshaft and LS3 CNC Head Kit. This combination provides excellent horsepower gains while maintaining a strong torque curve.

The port and chambers are carefully designed to provide the best combination of high flow capabilities and improved port velocity. Lingenfelter offers our CNC ported version of the LS7 aluminum cylinder head used on the C6 Corvette ZO6 that is the same as what is used in our 630 horsepower & 660 horsepower C6 ZO6 packages.

Summit racing ls3 hyroolic cam cnc ported cylinder heads