Suspension - Degree Shims

This Shim Stack Conversion Kit allows you to convert the RockSport Black Shock’s internal patent pending "Parabolic Valving" to a traditional, fully customizable, shim stack setup. Learn More

On vehicles equipped with a two piece drive shaft & carrier bearing as on the Mega Cab, there is the potential for take off vibration, depending on the severity, this can be corrected with shimming down the carrier bearing. Learn More