Here are caster blocks for the Black Mamba adjustable front end kit. Match these up with the Black Mamba bulkheads and you have a super adjustable front end. You get 1pr of adjustable aluminum caster blocks for the R5 front end. 3 holes to adjust the camber gain and 3 positions to adjust reactive caster.
RETAIL PRICE: $29.95 RC4LESS PRICE: $25.95