Wilwood 120-11129 Forged Superlite 4-Piston Caliper for 1.10" Rotor, 3.5" Mount

Product Overview

The Wilwood 120-11129 Forged Superlite Internal (FSLI) 4-Piston Caliper is engineered for high-performance braking in motorsports applications. Designed to accommodate 1.10" rotor widths, this caliper features a 3.50" lug mount center and is compatible with rotor diameters ranging from 11.75" to 13.06". Its symmetrical design allows for universal mounting on either side of the vehicle.

Key Features

• Forged aluminum construction for superior strength and reduced weight
• Four stainless steel pistons (1.38" diameter) for balanced braking force
• Internal fluid passages eliminate external crossover tubes
• Replaceable SRS bridge plates minimize pad wear and noise
• Compatible with Wilwood 7420-style brake pads
• Type III hard anodized finish for enhanced durability
• Universal mount design suitable for various applications

Specifications

• Part Number: 120-11129
• Material: Forged aluminum
• Piston Count: 4
• Piston Diameter: 1.38 inches
• Total Piston Area: 3.00 in²
• Rotor Width Compatibility: 1.10 inches
• Rotor Diameter Range: 11.75" - 13.06"
• Mount Type: Lug
• Mount Center: 3.50 inches
• Mount Height: 2.85 inches
• Inlet Thread Size: 1/8-27 NPT
• Weight: Approximately 5.2 lbs
• Finish: Type III hard anodized

Included Components

• 1x Wilwood 120-11129 Forged Superlite 4-Piston Caliper
• Installation instructions

Product Description

The Wilwood 120-11129 Forged Superlite Internal (FSLI) 4-Piston Caliper is designed for high-performance braking applications, offering a combination of strength, lightweight construction, and versatility. Its forged aluminum body ensures durability while reducing unsprung weight, and the internal fluid passages eliminate the need for external crossover tubes, simplifying installation and maintenance.

Equipped with four stainless steel pistons measuring 1.38 inches in diameter, the caliper provides balanced braking force and improved pedal feel. The replaceable SRS bridge plates reduce pad wear and minimize noise, enhancing overall braking performance. Compatible with Wilwood 7420-style brake pads, this caliper is suitable for a variety of motorsports applications, including road racing, autocross, and track days.

The universal mount design, with a 3.50-inch lug mount center and 2.85-inch mount height, allows for flexible installation on various vehicles. The Type III hard anodized finish offers superior corrosion resistance and durability, making the Wilwood 120-11129 caliper a reliable choice for performance enthusiasts seeking optimal braking performance.