Wilwood Bracket Kit-FSL4/6R-5.25in MT NASCAR

SKU: WIL250-13974

Brake Caliper Mounting Brackets

WIL Caliper Brackets...

Wilwood

Wilwood Bracket Kit-FSL4/6R-5.25in MT NASCAR

SKU: WIL250-13974

Brake Caliper Mounting Brackets

WIL Caliper Brackets...

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

Wilwood’s FSL6R bracket mounts the Forged Superlite Radial Mount calipers to 5.25” center to center lug mount used in NASCAR. Mounting height is optimized to allow mounting this caliper in applications that originally used Superlite style 5.25” mount series calipers on a 12.19” diameter rotor. Brackets include studs, shim and the mounting hardware.

Part Type

Brake Caliper Mounting Brackets

Data: v4.2 - Upd: 2026-10-19 03:34:38

Specifications

Product Attributes - UPC: 889545070460
Product Attributes - Brand: Wilwood Disc Brakes
Product Attributes - Notes: Mounts Wilwood Forged Superlite 4R calipers to 5.25 in. center to center lug mounts in Nascar racing applications. For use with 12.19 in. front rotors.
Product Attributes - Quantity: Sold individually.
Product Attributes - Part Type: Brake Caliper Mounting Brackets
Product Attributes - Product Line: Wilwood Brake Caliper Mounting Brackets
Product Attributes - Manufacturer's Part Number: 250-13974
Product Attributes - Brake Caliper Bracket Color: Black
Product Attributes - Brake Caliper Bracket Material: Aluminum

Reference Information

Brand Name/s	Wilwood
StreetFX SKU	wil250-13974
SFX Item ID	4407072
Supplier Item Code	4407072
Manufacturer SKU	250-13974
Manufacturer UPC	889545070460
Alternative References	Kit-FSL4/6R-5.25in

Compatibility

Application Data

Brake Kit Manufacturer	Wilwood
Universal	Yes
Brake Caliper Bracket Position	Front Left
Axle Model	Universal
Application Notes	Mounts Wilwood Forged Superlite 4R calipers to 5.25 in. center to center lug mounts in Nascar racing applications. For use with 12.19 in. front rotors.

Brake Kit Manufacturer	Wilwood
Universal	Yes
Brake Caliper Bracket Position	Front Right
Axle Model	Universal
Application Notes	Mounts Wilwood Forged Superlite 4R calipers to 5.25 in. center to center lug mounts in Nascar racing applications. For use with 12.19 in. front rotors.

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