Wilwood Caliper-BNSL4R 1.25in Pistons 1.10in 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 Narrow Superlite (FNSLR) is innovation to this series from Wilwood. New and adaptive technologies have been applied providing substantial improvements in strength, fluid volume displacement, and overall performance. FNSL4R calipers are the the only Superlite series calipers with piston dust boots, primarily for export mandates.

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.

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Reference Information

Brake Caliper, Forged Narrow Superlite 4 Radial Mount, Aluminum, Black Powdercoated, 4-piston, Passenger Side, Each

Wilwood Forged Narrow Superlite 4 radial mount calipers are a new version of Wilwood's venerable Superlite caliper series. They add versatility and the convenience of radial mounting to this widely popular caliper series. Radial mounting simplifies adaptation and provides two planes of adjustment for accurate alignment over the disc. These calipers integrate "Big Brake" style with Wilwood's latest technology to generate big stopping power in extreme environments.