Wilwood 120-11137 WIL Superlite Caliper shop-shop-apparel 2020 Polaris 850 SwitchBack PRO-S

2020 Polaris 850 SwitchBack PRO-S

2004 Harley Davidson FXDWGI Dyna Wide Glide

1981-1982 Honda CR250R

Clipped every 3rd pitch

Wilwood 120-11137 WIL Superlite Caliper shop-shop-apparel 2020 Polaris 850 SwitchBack PRO-SFSLI4 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