Strut Rod Bushing set: 63-74 CorvetteRear strut rod bushes for the early series Corvette available in Red or Black. This set fits approx 30mm bush O D rod eyelet.. normally associated with 1963 74 Corvette models. if your OD is approx 35mm.. then use the latter kit for the 75 82 series # 3. 7102 if your OD is 1 3 4".. then use the latter kit for the 75 82 series # 37102 which is a 1 3 4 OD rod eyelet. Available in Red or Black. Comes with the US Energy Suspension Polyurethane grease also.