Trailing Arm Bushing - Rear - Lower - Rubber / Steel - Black - GM A-Body 1964-78 - Pair Vendor- MOOG MPN K5161 State Restrictions Canada Restrictions - NO Notes: This bushing has a .525 (1/2) ID For the same bushing with a .480(12MM) bushing ID use MOGK6178. Canada Shipping: Ships to Canada