Wilwood 140-7140-DR Forged Dynalite Rear Brake Kit 12.19" 4-Piston Big Ford New

Vehicle Fitment

• Big Ford "New Style" rear axle housing (2.50" offset) - various muscle-cars and custom builds

Fitment Notes

• Rear disc brake kit with parking-brake function, one kit covers both rear wheels (left + right).
• Requires Big Ford New Style lug-flange axle housing with 2.50" offset; verify your axle and flange style.
• Minimum wheel diameter from factory wheel/clearance diagram: 15" (check for your application).

Features

• Forged billet Dynalite 4-piston calipers (red powder-coat finish) for high performance braking.
• 12.19" diameter one-piece drilled & slotted rotors provide strong stopping power and show quality.
• Integrated internal shoe parking-brake system hidden inside rotor hat for clean installation.
• Vented rotor construction improves thermal dissipation during spirited street or strip use.
• Kit includes hardware and uses factory or custom mounting brackets; designed for show/strip muscle applications.

Specifications

• Part Number: 140-7140-DR
• Rotor Diameter: 12.19" (309.6 mm)
• Rotor Thickness: 0.81" (20.6 mm)
• Calipers: 4-piston, billet Dynalite, red powder-coat
• Axle Offset Required: 2.50" (Big Ford New Style flange)
• Minimum Wheel Diameter Required: 15"

Included Components

• 1x Complete Wilwood 140-7140-DR rear disc kit (both sides)
• Includes calipers + rotors + internal parking shoes + hardware & instructions

Product Description

The Wilwood 140-7140-DR Forged Dynalite Rear Parking Brake Kit is engineered for muscle-car and custom applications requiring high-performance rear disc brakes with built-in parking-brake capability. The kit features forged Dynalite 4-piston calipers in red powder-coat and 12.19" drilled & slotted vented rotors--delivering excellent braking performance and visual appeal.

Designed to fit Big Ford "New Style" rear axle housings with 2.50" lug-flange offset, this kit enables strong stopping power while retaining parking-brake functionality thanks to the integrated shoe system within the rotor hat. Ideal for street performance, pro-touring, and show builds, it's a complete rear-axle brake solution backed by Wilwood's reputation for performance and quality.