Be sure to add me to your favorites list!............IF YOU PLAN ON PURCHASING MULTIPLE ITEMS PLEASE USE THE CART SYSTEM, SO WE CAN SHIP THEM TOGETHER...........ORIGINAL GM................KEEP YOUR CAR GM!....................GM NUMBER 14047771..............DIRTY..........1984-1996 Corvette C4 front spring aluminum shim units, (2), 5mm, can be used either side, original GM, used. We ship weekdays only. Shipping is USPS only, NO EXCEPTIONS.   Please email with questions. No local pickup. If a problem arises, please email or call before leaving feedback.  We are in Stuart Florida. NCRS member since 1983. Thanks for looking. () A cott below tins 080825