Wilwood Caliper-Forged Superlite 4R-ST-R/H - Nickel 1.25/1.25in Pistons 0.81in Disc
Part Number: WIL120-13575-N
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FSL4R/ST-QS calipers provide the pad wear performance advantages of differential bore pistons with the option for ultimate heat protection using Thermlock® pistons in the ST models. Differential piston bores compensate for leading-edge mechanical loading and temperature variances across the pad face to reduce pad taper wear in sustained high temperature applications. Thermlock® pistons in the ST-QS models block heat transfer from the pads and reduce temperatures in the caliper, fluid, and seals by up to 25% over standard stainless steel pistons. Featuring Quick-Silver Nickel finish, these are the go-to calipers for all types sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally and road course applications.
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Wilwood Caliper-Forged Superlite 4R-ST-R/H - Nickel 1.25/1.25in Pistons 0.81in Disc
