Proportioning Valves Disc Front, Disc Rear (71-77 Sprint; 71-87 El Camino; 78-87 Caballero)

GM-Style Proportioning Valve. The Proportioning Valves 71-87 Disc Front, Disc Rear is designed to control brake fluid pressure between the front and rear brakes, ensuring balanced braking performance in four-wheel disc brake systems. This valve is essential for maintaining vehicle safety and stability while braking, preventing rear wheel lockup. It is primarily used in GM vehicles with disc brakes front and rear.

Construction and Appearance. Crafted from durable brass, this proportioning valve ensures long-lasting reliability and resistance to corrosion. The brass construction also supports consistent fluid pressure regulation, and the valve features a clean, natural brass finish as per the product image.

Installation. Installation is straightforward, typically a direct replacement for the original valve without the need for drilling or modification. It fits into the factory brake line locations to ensure proper brake fluid distribution.

Application. Designed specifically for 71-77 Sprint, 71-87 El Camino, and 78-87 Caballero models, this proportioning valve is tailored to fit these vehicles without modification.

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