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The Wilwood PS-1 single-piston caliper (right-hand) combines a low-profile cast-aluminum body with two stainless steel deep-cup pistons to minimize heat transfer and high-temperature square seals for reliable retraction. Internal crossover passages remove external tubing, and the caliper accepts rotors between 6.00" and 9.00" diameter and .15"–.20" thickness, offering a compact option for lighter-duty high-performance braking.
Wilwood Caliper-PS 1-RH 1.12in Pistons .190in Disc
