Callies BBB42B-MG BBC 4340 Forged Magnum Crank - 4.375 Stroke

Specs:

Series: Magnum

Forged 4340 Steel

Stroke: 4.375"

Rod Journal: 2.200"

Main Journal: 2.750"

2 Piece Rear Main Seal

Internal Balance

Lightened

Requires Narrow Bearings

• MPN: BBB42B-MG
• Size: 32x10x10 inches (LxWxH)