Wilwood Caliper-Forged Superlite 4R-ST-L/H - Anodized 1.25/1.25in Pistons 1.25in Disc

SKU: WIL120-13576

Brake Calipers

WIL Superlite Caliper...

Wilwood

Wilwood Caliper-Forged Superlite 4R-ST-L/H - Anodized 1.25/1.25in Pistons 1.25in Disc

SKU: WIL120-13576

Brake Calipers

WIL Superlite Caliper...

Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

FSL4R/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. Featuring a wear resistant Type III hard 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.

Part Type

Brake Calipers

Data: v4.2 - Upd: 2026-10-13 21:11:32

Specifications

Product Attributes - UPC: 889545085792
Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Quantity: Sold individually.
Product Attributes - Part Type: Brake Calipers
Product Attributes - Thread Size: 1/8 in. NPT
Product Attributes - Caliper Logo: Wilwood Racing
Product Attributes - Product Line: Wilwood Forged Superlite 4 Radial Mount Calipers
Product Attributes - Caliper Color: Gray/Silver
Product Attributes - Caliper Series: Forged Superlite 4 Radial Mount
Product Attributes - Remanufactured: No
Product Attributes - Caliper Material: Aluminum
Product Attributes - Brackets Included: No
Product Attributes - Fittings Included: No
Product Attributes - Brake Pads Included: No
Product Attributes - Fitting Attachment 1: Female threads
Product Attributes - Piston Diameter (in.): 1.120
Product Attributes - Rotor Thickness (in.): 1.250 in.
Product Attributes - Caliper Piston Quantity: Four
Product Attributes - Parking Brake Provision: No
Product Attributes - Manufacturer's Part Number: 120-13576

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil120-13576
SFX Item ID	4407621
Supplier Item Code	4407621
Manufacturer SKU	120-13576
Manufacturer UPC	889545085792
Alternative References	4R-ST-L/H, 1.25/1.25in, 1.25in