Wilwood Caliper Forged Superlite 4 St Thermlock 4-Piston Aluminum 120-13829-N
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Wilwood Caliper Forged Superlite 4 St Thermlock 4-Piston Aluminum
Wilwood forged Superlite 4ST radial-mount calipers provide the wear pad performance advantages of differential bore pistonswith the option for ultimate heat protection using Thermlock pistons. 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 percent over standard stainless steel pistons.
Wilwood forged Superlite 4ST radial-mount calipers are the go-to option for sustained hard braking on dirt and asphalt ovals and a wide range of off-road, rally, and road course applications.
Additional features include:
* Four-piston caliper design
* Caliper body is forged from premium-grade aluminum alloy billet material
* Caliper body design in itself is a product of computer-generated solid modeling and stress analysis technology
* Available in QuickSilver nickel finish for 4 ST models
* Various rotor thickness and piston diameters available
* Exceptional strength and reduced weight of the forging
* Features closed end bridges with a radial transition down to the main body and piston bore housings
* Redesigned with internal fluid ports that eliminate the external fluid crossover tubes
* Transfer tube has been replaced with two additional bleed screw assemblies to allow differential bore models to have a left hand and right hand orientation
* Calipers include Wilwood logo