Description
The Wilwood Narrow Superlite 4R Rear Brake Kit (part number 140-11920-D) is configured with 12.88 in Drilled & Slotted Rotors - Black Calipers. Application: 1984-1987 Chevrolet Corvette (C4).
The radial-mount caliper arrangement uses a dedicated bracket to establish caliper position over the rotor. Bracket geometry and rotor offset are therefore part of the fitment specification. The rotor configuration and caliper finish shown here identify this specific part number. Match the required axle, spindle, mounting arrangement, and any listed offset to the vehicle’s installed components.
Technical details
- Selected configuration: 12.88 in Drilled & Slotted Rotors - Black Calipers.
- Application: 1984-1987 Chevrolet Corvette (C4).
- Caliper series: Forged Narrow Superlite 4R.
- Pistons per caliper: 4.
- Piston material: Stainless.
- Caliper mounting: Radial.
- Pad shape: 7416.
- Pad compound: BP-10.
- Listed piston bore sizes: 1.12 / 1.12 in.
Cataloged vehicle applications
- 1984-1987 Chevrolet Corvette — Base
- 1986 Chevrolet Corvette — Indianapolis 500 Pace Car
Selection and installation: Wilwood lists a potential minimum wheel diameter of 17 inches. Actual clearance depends on wheel barrel and spoke shape; verify the wheel-clearance dimensions for this kit.