Callies Magnum Crankshaft - SB Chevy - 4.000" Stroke - 2.100" Pin - 400 Main 2.648" BR20031 These heads should also be

These heads should also be given strong consideration in larger street driven or marine applications up to 555ci

3-DOOR SURGE TANK For Road Course

ALL68320 attaches to the side bell bolts on most quick change rear ends

Includes mount for stock headlight switch

but is now used throughout the motorsports industry

Callies Magnum Crankshaft - SB Chevy - 4.000" Stroke - 2.100" Pin - 400 Main 2.648" BR20031 These heads should also beA 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