Callies Magnum Crankshaft - SB Chevy - 4.000" Stroke - 2.100" Pin - 400 Main 2.648" BR20031 but is now used throughout

but is now used throughout the motorsports industry

Includes mount for stock headlight switch

With the exception of CVT fluids and Duel Clutch Fluids (DCT)

ST4 / ST5 Helmets

For fuel injected applications

Callies Magnum Crankshaft - SB Chevy - 4.000" Stroke - 2.100" Pin - 400 Main 2.648" BR20031 but is now used throughoutA 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