Callies Magnum Crankshaft - SB Chevy - 3.800" Stroke - 2.100" Pin - 400 Main 2.648" Steering U-Joint Tapered Front

Tapered Front

Triple Pass

400 FP 1004

GM Transmission Inlet

but can be used on other applications

Callies Magnum Crankshaft - SB Chevy - 3.800" Stroke - 2.100" Pin - 400 Main 2.648" Steering U-Joint Tapered FrontA combined effort by Callies CNC programming and engineering staffs has resulted in a component that is distinctive and highly functional. Unique counterweight and rod arm contours produce a lightweight, aero efficient crankshaft. Callies Series II Mangnum Mass Correct counterweights have been placed specifically to reduce bearing loads. By concentrating mass at the point of imbalance, the transfer of rotating and reciprocating assembly weight loads