Crankshaft: forged steel, Connecting Rods: Forged steel, shot peened, Pistons: Forged aluminum Cylinder Heads: Aluminum rectangular port, 118-cc chambers Maximum Recommended RPM: 6,000 Chevrolet ...

Chevrolet developed the 427.6-cubic-inch ... To achieve its 427.6 cubic inches, the LS7 uses a forged steel crankshaft with a 4.0-inch stroke to complement the 4.125-inch Siamese-bored cylinder ...

The small-block Chevy (SBC) V8 lineup provides some ... including a 3.75-inch stroke cast-iron crankshaft (forged-steel crankshafts are available), 0.030-inch oversize forged-aluminum flat top ...