Precision balanced to insure smooth operation with no pedal pulsation | OEM style vane configuration provides more efficient heat dissipation, reduces vibration that can cause noise, and extends rotor life | G3000 heat-flowed castings provide consistent wear, long life, and quiet operation | Bi-metal aluminum and zinc clean-look coating/Alutherm 80 extends the life of the rotor and provides a clean look for today's open wheels | OEM style ABS tone ring (on required applications) provides trouble free operation of Antilock Brake and Traction Control systems | Front: Buick: 1973-1974 Apollo, 1967 Gran Sport, 1967-1972 Skylark, 1967-1969 Special, 1967-1972 Sportwagon; Chevrolet: 1967-1969 Camaro, 1967-1972 Chevelle, 1967-1968 Chevy II, 1967-1972 El Camino, 1967 Malibu, 1970-1972 Monte Carlo, 1969-1974 Nova | Front: GMC: 1971-1972 Sprint; Oldsmobile: 1970-1971 442, 1970-1972 Cutlass, 1970-1972 F85, 1973 Omega, 1970-1972 Vista Cruiser; Pontiac: 1969 Firebird, 1969-1972 Grand Prix, 1969-1972 GTO, 1969-1972 LeMans, 1969-1970 Tempest, 1971-1974 Ventura