OER Parts offers a wide selection of Battery Parts & Hardware for your 1966 Chevrolet K20 Pickup. OER Parts offers 1966 Chevrolet K20 Pickup Battery Trays, 1966 Chevrolet K20 Pickup Battery Hold Down J-Bolts, 1966 Chevrolet K20 Pickup Battery Tray Hold-Down Clamp, 1966 Chevrolet K20 Pickup Top Battery Tray Clamp, 1966 Chevrolet K20 Pickup Battery Tray Brace, 1966 Chevrolet K20 Pickup Quick Release Battery Cable Bolts, 1966 Chevrolet K20 Pickup Side Terminal Battery Cable Bolts, 1966 Chevrolet K20 Pickup Side Terminal Battery Charging Post, and 1966 Chevrolet K20 Pickup Side Post Battery Cable Terminal.