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These cathedral port heads incorporate features of Trick Flow’s fully CNC-ported LS heads such as 13.5° valve angles, decreased valve shrouding, increased mid-lift airflow, relocated spark plugs, CNC-profiled combustion chambers with port-to-valve seat blending (bowl blending), improved rocker arm/ valve cover clearance, and rigid casting design in a more affordable “Fast As Cast” version that flows nearly as much air as Trick Flow’s competition ported heads. 2010 Colorado 6.2 3LT-ZQ8 All Terrain Blue G80/ 3:73 Comp Cam, Pac-1219 springs,BTR Pushrods. 90mm T/B, DT LT Headers,True 2 1/2"Duals W/XPipe, Custom 4" CAI Dyno Tuned, 2600 Stall, Cowl hood, Dropped 2"

Introduced in the 2009 ZR-1 Corvette, the supercharged 6.2L engine produces 638 hp. Now you have the ability to use the same supercharger package with the front accessory drive and build up your own LS or LSX based supercharged engine. The intake bolt pattern and port configuration is the same for the LS3, LSX-LS3, L92, LSA and LS9 cylinder heads.