Wilwood Caliper-BNSL4R 1.75in Pistons 1.25in Disc

The Superlite caliper series has set the standard for many years in short track, late model, modified and open wheel competition. It has also enjoyed prominence in a variety of road-race, off-road, rally and sport driving applications. Starting at 4.40 pounds, the Forged Billet Superlite (FSL) is the newest innovation to this series from Wilwood. New and adaptive technologies have been applied providing substantial improvements in strength, fluid volume displacement, and overall performance.

Note for Pistons, Rings, Rotors, Rods and engine internals

Unless otherwise specified, some brands supply brake rotors, pistons, strut mounts, rods and rings separately. In some cases, titles may indicate plural, or 'set' - eg the term “ring set” often refers to the rings for a single piston only. If you’re unsure about what’s included with this product, please contact our team for clarification.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Reference Information

CALIPER,BNSL4R,1.75,1.25 ROTOR,R/H,BLACK

Wilwood Billet Narrow Superlite 4 calipers incorporate many benefits of the Billet Superlite 4 Series with the added benefit of a narrow profile. Precision CNC machined, this caliper series has set the standard for many years in short track, late model, modified, and open wheel competition. It has also enjoyed prominence in a variety of road-race, off-road, rally and sport driving applications.

Each caliper features closed end bridges with a radial transition to the piston body housings, providing a measurable increase in overall body strength and resistance to deflection under load. Center bridge bolts replace cotter pins to provide additional support and allow quick access with positive brake pad retention. For better stopping power with less pedal travel and improved overall performance, Wilwood Superlite 4 narrow calipers is the answer.