Wilwood 140-18155 Front Forged Narrow Superlite 6R Big Brake Kit for 1971-1991 GM Full-Size SUVs

Upgrade the front braking performance of your 1971-1991 GM full-size SUV with the Wilwood 140-18155 Forged Narrow Superlite 6R Big Brake Kit. Designed for applications such as the Chevrolet Blazer, this complete front brake system combines a lightweight aluminum six-piston caliper with a high-performance slotted iron rotor to deliver strong, consistent stopping power for street and performance driving.
The Forged Narrow Superlite 6R caliper features a rigid aluminum construction and a durable black powder-coat finish that provides corrosion resistance and a clean appearance behind the wheel. Its six-piston design promotes even pad loading and balanced pressure across the rotor, helping support predictable pedal response and efficient heat management during repeated braking. The system is engineered as a vehicle-specific upgrade for compatible GM full-size SUV applications from 1971 through 1991.
The included slotted iron rotor measures 12.88 inches and is designed to improve friction consistency while helping clear away gases and debris from the pad interface. This Wilwood front brake kit is supplied as a matched braking solution for enthusiasts seeking dependable performance, improved thermal capacity, and modern braking technology in a classic GM SUV. Verify vehicle fitment, wheel clearance, and installation requirements before ordering.

Features:

• Brand: Wilwood

• Part Number: 140-18155

• Application: Front brake system for 1971-1991 GM full-size SUVs

• Caliper: Forged Narrow Superlite 6R six-piston aluminum caliper

• Finish: Durable black powder-coat caliper finish

• Rotor: 12.88-inch slotted iron rotor

• Kit Type: Complete front big brake kit

• Vehicle Compatibility: Designed for compatible GM full-size SUV applications, including the Chevrolet Blazer