Callies BBO42B-MG BBC 4340 Forged Magnum Crank - 4.000 Stroke

Specs:

Series: Magnum

Stroke: 4.000"

Rod Journal: 2.200"

Main Journal: 2.750"

Forged 4340 Steel

Internal Balance

2 Piece Rear Main Seal

Lightened

Required Narrowed Bearings

• MPN: BBO42B-MG
• Size: 32x10x10 inches (LxWxH)