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All-in-one Caliper,1.38" Bnsl4r,1.25" Disc,right Series [aYcobfNp]

$57.99 $185.99 -69%

1.38" BNSL4R Caliper for 1.25" Disc, Right Mount Experience superior stopping power with the Wilwood 1.38" BNSL4R caliper, designed for right-side mounting on 1.25" disc rotors. This high-performance brake system is engineered to provide exceptional

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1.38" BNSL4R Caliper for 1.25" Disc, Right Mount

Experience superior stopping power with the Wilwood 1.38" BNSL4R caliper, designed for right-side mounting on 1.25" disc rotors. This high-performance brake system is engineered to provide exceptional braking capability for various applications, including street rods, street/strip performance, rally cars, and road race cars. The caliper features a radial mount design, with radial mount holes measuring 5.98" center-to-center, ensuring a secure fit and optimal performance.

Key Features and Specifications

The Wilwood 1.38" BNSL4R caliper is built with a forged billet construction, starting at just 4.40 pounds, making it one of the lightest in its class. This innovative design provides substantial improvements in strength, fluid volume displacement, and overall performance. Key features include:
  • 4 Pistons for even brake pad distribution and increased stopping power.
  • Superlite, 3 1/2" Wide Mounting Pattern for versatile installation options.
  • Hard-Coat Anodized Black Finish for durability and a sleek appearance.

Practical Uses and Benefits

The Wilwood 1.38" BNSL4R caliper is a direct replacement for all Wilwood Superlite and similar competitive brand calipers with 3.50" centered mounting tabs. Its compatibility with rotors ranging from 11.75" to 13" outside diameter and 1.250" thick rotors makes it an ideal choice for a wide range of vehicles. The caliper is equipped with replaceable stainless steel bridge plates (SRS) to eliminate bridge wear caused by pad gouging, extending the service life of the caliper body. Other standard Wilwood features include high-temperature O-rings, controlled piston retraction, and stainless steel pistons to resist corrosion and heat transfer. Choose the Wilwood 1.38" BNSL4R caliper for unmatched performance and reliability in your vehicle.

What Our Customers Say

December 27, 2025

Absolutely no complaints!

This is a product that I would buy again in a heartbeat.

- Leah H..

December 27, 2025

Absolutely no complaints!

This product has a premium feel.

- Camila N..

December 27, 2025

Absolutely no complaints!

This is a product that is of great quality and very well made.

- Emmett V..

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