4.250" Stroke FORGED 4340 CRANKSHAFT 1 PC SEAL For Chevy BBC 396 502

Description:
Forged 4340 steel in a non-twist forging with multi-stage heat treatment
Shot-peened, stress-relieved, and nitrided surface for superior durability
Target bobweight guaranteed +/- 2%. Will internal balance without heavy metal
Recommended for use up to 1500hp
Make: Chevy
Engine: BBC (502 Mains)
Material: Forged 4340 Steel
Stroke: 4.250" Stroke
Balance: Internal Balance
Rear Main Seal: 1-Piece Rear Main Seal
Rod Journal Diameter: 2.200"
Main Journal Diameter: 2.749"
Min. Rod Length: 6.385"