For 1988-1993 Chevrolet C1500 C2500 K1500 GMC Yukon Vacuum Power Brake Booster

Chevrolet C1500 1988 with Booster Stamped HR;Extended Cab Pickup, Standard Cab Pickup. Chevrolet K1500 1988 with Booster Stamped HR;Standard Cab Pickup. GMC C1500 1988 with Booster Stamped HR;Extended Cab Pickup, Standard Cab Pickup.