Wilwood ST FSL4R Caliper 1.25 .81 Rotor Ano

Name: Wilwood ST FSL4R Caliper 1.25 .81 Rotor Ano
Brand: Wilwood
SKU: W00B 120-13575
Price: 468.61 USD
Availability: InStock

$506.10 $468.61 Save $37.49

SKU: W00B 120-13575

In Stock

Ships by Aug 2

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 120-13575

FSL4R/ST calipers provide performance advantages of Thermlock (R) pistons for ultimate heat protection. Thermlock (R) pistons used 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. Featuring Type III Anodize finish, 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.

MIA's Description

The Wilwood 120-13575 Forged Superlite 4R Radial Mount Caliper features Thermlock® pistons for reduced heat transfer and a Type III Anodize finish for durability in various racing and off-road applications. It weighs 5.2 lbs and has a 5.98-inch mount center. This 4-piston caliper is designed for rotors with a width of 0.81 inches (maximum 0.90 inches, minimum 0.75 inches) and a diameter between 11.75 and 14.00 inches.

Fitment

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Specifications

Brand	Wilwood
Part Number	W00B 120-13575

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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