Disc/Disc Proportioning Valve, 66-77 Ford Bronco SKU: 303704

Disc Brake Proportioning Valve | Disc/Drum or Disc/Disc

This Disc/Disc Brake Proportioning Valve is essential for achieving proper brake pressure balance in 4-wheel disc brake systems. Designed specifically for vehicles running disc brakes on both the front and rear, this combination valve ensures consistent and responsive braking without the need for a metering valve, which is unnecessary in disc/disc configurations.

If your vehicle has front disc and rear drum brakes, please see our Disc/Drum version Part # 303702, which includes an integrated metering valve to manage front brake timing appropriately.

Each valve includes mounting hardware and an electric plug to wire into your brake warning light system, which alerts you if there’s a pressure imbalance between front and rear circuits—a possible sign of a line, caliper, or wheel cylinder issue.

This valve will fit the factory mounting bracket found on 1976-77 Ford Broncos. For a hassle-free install, pair it with our bleeder tool and optional fitting kit (sold separately) that includes adapters for use with common hard lines.

• Combination Valve: Regulates pressure front to rear, improving braking balance and safety.

• Includes Hardware & Plug: Comes with mounting hardware and a plug for brake warning light wiring.

• Factory Fitment: Will fit the OEM bracket on 1976-77 Ford Bronco (bracket sold separately).

• Supports Safety Monitoring: Activates brake warning light when detecting front/rear pressure differences.

Stop safer and smarter - this proportioning valve is engineered for classic rides with disc/disc setups - keep your brakes balanced and responsive.