About
our company

A collaborative effort from two top engine builders, Ron Shaver and Bob Wesphal, the new Shaver-Wesmar gear drives are designed to give accurate, consistent cam timing under tough racing conditions. Made of ultra-light alum aircraft alloy, the gear drives are easy to install, long-lived and highly adjustable. They fit most small-block Chevrolets. Features include: a crack-resistant steel idler gear support, Torrington bearings, REM finished gears precision cut from 9130 steel with 20° pressure angle, and black anodized finish.