Cylinder Head Stud Kit - 1/2 in Studs - 12 Point Nuts - Chromoly - Black Oxide - Small Block Ford - Kit MPN - R2 Fits 351W engines w/factory heads, M6049-J302, SVO high port & M6049-L302 GT-40 style, Edelbrock aluminum & iron Dart with 1/2-13 cylinder block threads. Vendor ARP Truck Freight-- NO
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