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Wilwood's Forged Superlite FSL4R/ST caliper (right/hand) features differential bore pistons to reduce pad taper wear and, in ST models, Thermlock pistons to block heat transfer and lower caliper, fluid and seal temperatures by up to 25% versus standard stainless pistons. The Type III hard anodize finish improves wear resistance for sustained hard braking in racing and high-load applications.
Wilwood Caliper-Forged Superlite 4R-ST-R/H - 1.88/1.62in Pistons 1.25in Disc
