Wilwood Rear Disc Brake Kit | 4-Piston, 12.19-inch, Sm Bearing | 66-75 Ford Bronco SKU: 140-13320N

Wilwood Dynapro Lug Mount Rear Disc Brake Kit | 66–75 Bronco, Small Bearing

Upgrade your Bronco’s stopping power with the Wilwood Dynapro Lug Mount Rear Disc Brake Kit, engineered for 1966–75 Ford Broncos with small bearing rear axles. This performance kit is a direct-fit solution for Broncos originally equipped with 10" drum brakes and rated with 2700 or 2900 GVW. Featuring forged billet 4-piston Dynapro calipers, 12.19" vented lug-mount drum/rotors, and high-friction pads, this kit delivers modern braking force to match front big brake upgrades. The internal shoe-style parking brake ensures superior static holding power with a clean installation.

• Fits 1966–75 Small Bearing Broncos: Designed for stock axles with OE 10" drum brakes and 2700/2900 GVW ratings.

• Forged Billet Dynapro Calipers: 4-piston performance calipers offer powerful and consistent braking force.

• 12.19" Vented Lug-Mount Rotors: One-piece rotors enhance heat dissipation and improve brake balance.

• Internal Parking Brake System: Hidden shoe-style parking brake provides clean looks and excellent holding power.

• Small Ford Flange Fitment: Compatible with 2.36" axle offset and small bearing (2 7/8" OD bearing).

• Personalizable Options: Choose from optional caliper finishes and rotor styles to match your build’s look.

• Requires 15" Wheels or Larger: Check clearance diagram to confirm fit with your wheels.

• Brake Lines Sold Separately: Kit does not include flex lines—must be purchased to complete install.

Boost braking performance with Wilwood’s lug mount disc brake kit for 66–75 Bronco small bearing - 4-piston calipers, 12.19" rotors, integrated parking brake.