Winters Thrustblock Cam Degree Kit The included shims can be

The included shims can be easily added or removed making it easy for you to close in on your reaction time

1978-1979 Pontiac Grand Am

73 Ratio and Up

Adjustable from 1

Winters Thrustblock Cam Degree Kit The included shims can beProduct Description: Thrust Block Steel Winters Ring Gear Adjuster Sold Individually For more than 60 years, Winters Performance Products has been producing high performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick change gear sets to shifter assemblies, as well as many components specifically for the sprint car market. Winters Performance is undeniably the most reliable,