Wilwood 140-18160-R Forged Narrow Superlite 4R Rear Big Brake Kit for 1971-1991 GM Full-Size SUVs

Upgrade the rear braking performance of your 1971-1991 GM full-size SUV with the Wilwood 140-18160-R Forged Narrow Superlite 4R Big Brake Kit. Designed for disc/drum rear applications, this complete brake system combines a lightweight aluminum four-piston caliper with a slotted iron rotor to deliver strong, consistent stopping performance for street, truck, and performance applications.
The Forged Narrow Superlite 4R caliper is engineered from forged aluminum for strength and reduced unsprung weight. Its four-piston design provides balanced pad loading and responsive braking feel, while the red powder-coated finish adds a clean, performance-oriented appearance behind the wheel. The caliper design supports dependable operation under demanding driving conditions and complements custom or upgraded chassis builds.
This Wilwood rear brake kit includes a 12.88-inch slotted iron rotor engineered to help manage heat and maintain consistent friction during repeated braking. The rotor and caliper combination is designed specifically for compatible GM full-size SUV applications from 1971 through 1991, including Blazer platforms. Verify vehicle configuration, wheel clearance, and installation requirements before ordering to ensure proper fitment.
Feature: Wilwood Forged Narrow Superlite 4R four-piston rear caliper
Feature: Rear big brake kit for compatible 1971-1991 GM full-size SUVs
Feature: 12.88-inch slotted iron rotor for consistent braking performance
Feature: Lightweight aluminum caliper construction
Feature: Red powder-coated caliper finish
Feature: Designed for disc/drum rear brake applications
Feature: Complete kit format for performance brake upgrades
Feature: Not air restricted and not limited to truck freight shipping

Features:

• Wilwood Forged Narrow Superlite 4R four-piston rear caliper

• Rear big brake kit for compatible 1971-1991 GM full-size SUVs

• 12.88-inch slotted iron rotor for consistent braking performance

• Lightweight aluminum caliper construction

• Red powder-coated caliper finish

• Designed for disc/drum rear brake applications

• Complete kit format for performance brake upgrades

• Not air restricted and not limited to truck freight shipping