The Wilwood Billet Narrow Dynalite radial-mount sprint inboard kit is a bolt-on brake system for sprint car quick-change rears with 3.00 x 46 splined axles, featuring an 11.75" x .810 vented SuperAlloy rotor and a dynamic mount rotor axle clamp to minimize rotating weight. The kit includes Type III hard-anodized Billet Dynalite radial-mount calipers with composition metallic pads, axle clamp with dual-mount rotor adapter, radial mount bracket assembly and mounting hardware.
Wilwood Billet Narrow Dynalite Radial Mount Rear Inboard Sprint Kit 11.75in SuperAlloy Vented Rotor