Wilwood D154 Rear Caliper Kit -Polished 1.12 / 1.12in Piston 0.81in Rotor

Forged billet aluminum bodies mean these Wilwood D154 rear calipers are significantly lighter than the factory originals. This kit is designed as a direct bolt-on replacement for the common OE single-piston "Metric" calipers found on many custom applications, offering a substantial upgrade in performance and reliability. The smaller rear piston sizing, at 1.96 square inches of area, is a notable design choice that helps achieve a more balanced front-to-rear brake bias, which is crucial for predictable stopping power, especially when paired with upgraded front brakes.

Wilwood builds these calipers with stainless steel pistons and competition-style high-temperature seals. This construction directly addresses common failure points in stock calipers, like rust, bore pitting, and seal degradation, which often plague OE designs. The result is a low-maintenance caliper that offers improved reliability for both street driving and track use. The D154 calipers are designed to mount in the stock location, working with your original style OE D154 brake pads and using an OE M10-1.5 banjo bolt for brake line connection. Most wheels that clear your original calipers will also clear these.

This kit includes Wilwood’s hardened slide pins for smooth operation and their BP-10 high friction pads, which offer a good balance of stopping power and everyday drivability. You'll find these calipers provide a significant weight savings over the stock units, contributing to better overall vehicle dynamics.