Wilwood - wil140-12964 - Narrow Superlite 4R Rear Parking Brake Kit

Forged Narrow Superlite 4R rear disc kits provide the ultimate Big Brake solution for popular muscle car rear axles that require a parking brake. FNSL4R four piston calipers, 13” or 14” two-piece rotors, and high performance BP-10 compound pads provide optimized and balanced braking to compliment front big brake upgrades on all types of custom, show and high performance street machines. The neatly hidden internal shoe system provides a clean installation with superior static holding power for parking. Optional caliper finishes and rotor designs allow builders to personalize the style and performance for every application.

The Wilwood Narrow Superlite 4R rear disc kit is a Big Brake solution for popular muscle car rear axles that require a parking brake. This kit is designed for a Chevy 12-bolt rear axle with C-clips and includes a 12.88-inch two-piece rotor configuration.

The system uses FNSL4R four-piston calipers, high-performance BP-10 compound pads and a neatly hidden internal shoe parking brake system. Its design provides optimized rear braking to complement front big brake upgrades, along with strong static holding power for parking. Optional caliper finishes and rotor designs are available for builders seeking a personalized appearance and performance setup.

Key Features & Performance Benefits

• Four-piston FNSL4R calipers: Supports balanced rear braking performance.
• Two-piece rotors: Uses a 12.88-inch rotor configuration for the specified application.
• BP-10 compound pads: Provides a high-performance pad compound for street and custom vehicle applications.
• Internal shoe parking brake: Provides a clean installation with superior static holding power.

Key Product Specifications & Technical Data

• Brand: Wilwood
• Part number: wil140-12964
• Product type: Rear disc parking brake kit
• Caliper type: FNSL4R Narrow Superlite 4R
• Caliper piston count: Four pistons
• Rotor type: Two-piece
• Rotor size: 12.88 inches
• Application: Chevy 12-bolt rear axle with C-clips

What's Included in the Box

The product data identifies the kit components as FNSL4R four-piston calipers, 12.88-inch two-piece rotors, BP-10 compound pads and an internal shoe parking brake system. No additional included items are specified.

Fitment

Fitment data provided: Chevy 12-bolt rear axle with C-clips.

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1