Late Model Speed CNC Ported Stage 3 GM L92 Cylinder Heads

New GM L92 casting 5 axis CNC machined Fully assembled Intake Flow Rate 360 CFM Exhaust Flow Rate 245 CFM (275 CFM w/ 1 3/4" Pipe) Manley Stainless 2.160 Intake Valves Manley Stainless 1.590 Exhaust Valves GM valve seals Super 7 locks Dual coil valve springs good to ~ .690 lift Titanium retainers Custom LMSpeed Engraved Logo No core required **These heads will only fit the 09 G8 GXP w/ the LS3 Engine **Will not fit the L76 Engine G8 Your Price; $2350.00 + Shipping