Engine Type Chevrolet Performance LS3
Block Aluminum
Displacement 376 ci
Compression Ratio 10.7:1
Bore 4.065 inches
Stroke 3.622 inches
Cylinder Heads LS3, L92-style ports, as cast w/ 68cc chambers, 2.165 intake/1.590 exhaust valves
Rotating Assembly Nodular iron crankshaft, powdered metal connecting rods, hypereutectic aluminum pistons
Valvetrain 1.7:1 rocker arms, OE pushrods, OE retainers
Camshaft Hydraulic roller (201/211-deg. duration at 0.050; 0.510/0.522-inch lift)
Exhaust Doug's 1 7/8-inch primary headers, Doug's 3-inch J-bend exhaust, JBA stainless mufflers
Ancillaries Holley oil pan, Holley front drive system, AutoRad aluminum radiator w/ single fan, Eddie Motorsports hood hinges and fender braces, Painless Performance wiring.