Oldsmobile Energy Suspension Rear Control Arm Bushing Set # 3 3178G Rate_10 Timing is important for your Timing is important for your engine to run efficiently and Proform harmonic balancer covers will help to assure your timing is accurate High Performance Series Bushing Color Black Bushing Material Polyurethane Bushings Included Yes Color Black Hardware Included Yes Hardware Type Zinc Material Polyurethane Mounting Hardware Included No OLDSMOBILE 98 1965 1970 OLDSMOBILE DELMONT 88 1967 1968 OLDSMOBILE DELTA 88 1965 1970 OLDSMOBILE DYNAMIC 1965 1966 OLDSMOBILE JETSTAR 88 1965 1966 OLDSMOBILE JETSTAR I 1965 OLDSMOBILE STARFIRE 1965 1966 OLDSMOBILE VISTA CRUISER 1965 1970