Remanufactured Chevy LS Cast Iron 5.3L bored out to 3.898 to make it a 5.7L LS6 Pistons GEN 3 Stage 2 Camshaft Duration Adv. 265/272 Duration at .050 212/224 Valve Lift .528/.532 Lobe Center 112 Deg. 799 Casting Heads w/ BTR Springs 400HP/ Estimate Auto Parts: Engines Vehicle Make: Chevrolet
