Wilwoods DynaPro four piston radial mount calipers combine pure race technology with a new generation of Wilwood performance enhancements. The DynaPro combines the versatility of radial mounting with a sleek profile superior strength and extreme durability in adverse conditions. With an overall weight as light as 3.58 pounds the DynaPro has become a favored choice for a broad range of sports rally and off-road driving applications.