Callies Magnum Crankshaft - SB Chevy - 3.800" Stroke - 2.100" Pin - 400 Main 2.648" Steering U-Joint RJS Driving Shoes are super-light

RJS Driving Shoes are super-light and comfortable

Tapered Front

Manual Shifter - Precision Sport - Corvette

Willys / KB

and detailed installation instructions

Callies Magnum Crankshaft - SB Chevy - 3.800" Stroke - 2.100" Pin - 400 Main 2.648" Steering U-Joint RJS Driving Shoes are super-lightA 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