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FSLI4 and FSLI4/ST 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 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. 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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WARNING: Cancer & Reproductive Harm www.p65warnings.ca.gov IN STOCK - LOW Wilwood 120-13829Wilwood Superlite Caliper Wilwood Caliper-Forged Superlite FSL4R/ST Aluminum 1.88/1.75in Pistons .81in Disc Ano - Left $468.61
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 IN STOCK Wilwood 120-9703Wilwood Dynapro Caliper Wilwood Caliper-Dynapro 5.25in Mount 1.38in Pistons .81in Disc $281.88
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 IN STOCK Wilwood 120-10188Wilwood Dynapro Caliper Wilwood Caliper-Dynapro Single LW 3.25in Mount 1.75in Pistons .38in Disc $148.15
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 IN STOCK Wilwood 120-12949-BKWilwood Dynapro Caliper Wilwood Caliper-Dynapro Honda/Acura - Black Powder 1.62in Pistons .83in Disc $266.79
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 IN STOCK - LOW Wilwood 120-13282-BKWilwood Aero Caliper Wilwood Caliper-Aero4-L/H - Black 1.62/1.38in Pistons 1.25in Disc $575.19
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 IN STOCK - LOW Wilwood 120-13431Wilwood Dynapro Caliper Wilwood DynaPro DP6 Lug Mount Anodized Alum. Caliper 1.62in/1.38in/1.38in Piston .38in Rotor - Left $352.85
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 IN STOCK PowerStop S4918APowerStop Red Calipers Power Stop 08-16 Cadillac Escalade Front Red Calipers w/Brackets - Pair $319.73
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 IN STOCK Wilwood 120-11130-BKWilwood Superlite Caliper Wilwood Caliper-Forged Superlite 1.38in Pistons 1.25in Disc Black $333.81
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For more information on Wilwood part number 120-11137, you can visit the official Wilwood website.
