Callies Magnum Crankshaft - SB Chevy - 3.875" Stroke - 2.100" Pin - 350 Main 2.448" Helmet Forced Air Rocker Switch More Energy

More Energy

Designed for fast driver changes and to break away in the event of a hot extract

The camlock buckle stays attached to the crotch strap so it is out of the way when not in use

1988-1990 Chevrolet K3500All GM TH400 automatic transmissions

maintenence free lifespan

Callies Magnum Crankshaft - SB Chevy - 3.875" Stroke - 2.100" Pin - 350 Main 2.448" Helmet Forced Air Rocker Switch More EnergyA 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