The Wilwood Forged Superlite FSL4R/ST aluminum caliper offers advanced braking performance with features tailored for demanding racing and off-road applications. Designed with differential bore pistons, this caliper ensures optimal pad wear resistance by compensating for mechanical loading and temperature variations across the pad face, which helps reduce taper wear during sustained high-temperature braking. The inclusion of Thermlock? pistons in the ST models enhances heat protection by blocking heat transfer from the pads, thereby lowering the temperature of the caliper, fluid, and seals by up to 25% compared to standard stainless steel pistons. This significant temperature reduction helps maintain consistent brake performance and extends component lifespan, especially during intense braking conditions on dirt roads, asphalt ovals, and rally courses.
Features:
- Differential bore pistons: Enhance pad wear performance by compensating for mechanical and thermal variations.
- Thermlock? pistons: Provide up to 25% reduction in heat transfer, protecting caliper components during high-temperature braking.
- Hard anodize finish: Wear-resistant Type III hard anodize coating increases durability and resistance to harsh environments.
- Lightweight forged aluminum construction: Contributes to overall vehicle weight reduction without sacrificing strength.
- Designed for high-performance applications: Suitable for off-road, rally, asphalt ovals, and road course racing.
