Wilwood 120-13236 Superlite Forged Brake Caliper - FSL6R 6-Piston

The Wilwood Superlite FSL6R (120-13236) represents the pinnacle of racing brake caliper technology, serving as the benchmark choice for asphalt short track, late model, modified, and open wheel competition. This advanced 6-piston caliper has also proven its excellence in road racing, rally, and high-performance sport driving applications.

Advanced Internal Fluid Routing:

The FSL6R series features a revolutionary redesign with internal fluid ports that completely eliminate the need for external fluid cross-over tubes. Instead of traditional transfer tubes, the caliper incorporates two additional bleed screw assemblies, allowing differential bore models to be configured for left-hand or right-hand orientation without requiring specific leading or trailing configurations.

Engineering Excellence:

• Stress-flow forged from premium grade aluminum alloy billet for maximum strength
• Exceptional strength-to-weight ratio with assembled weight of just 4.4 pounds
• Computer-generated solid modeling and FEA stress analysis optimized design
• Closed-end bridges with radial transitions to main body and piston bore housings
• Engineered without machined steps or sharp shoulders in critical stress areas
• Measurably increased resistance to deflection under extreme braking loads

The FSL6R caliper body design eliminates traditional weak points through advanced forging techniques and strategic material distribution, delivering professional-grade braking performance for the most demanding racing applications.