DROP 2" & TALL SPINDLE 64-72 A-BODY, 2" TALLER HEIGHT UPPER BALL JOINT BOSS, FOR BRAKES THAT ATTACH TO OEM STYLE DISC BRAKE MOUNT LOCATIONS. 1-PIECE FORGED CONSTRUCTION USES BOLT ON STEERING ARM. FITMENT NOTE: USE WITH 64-72 A-BODY, CENTURY, CHEVELLE, CUTLASS, EL CAMINO, F85, GTO, LEMANS, MALIBU, MONTE CARLO, REGAL, SKYLARK, 67-69 CAMARO & FIREBIRD F-BODY, 68-74 NOVA X-BODY. MINIMUM RIM SIZE 15 to 18" DIAMETER DEPENDING ON WIDTH.