Our 1966-1981 Starter Bolts are manufactured for a direct fit in your Corvette Big Block. These Starter Bolts are approximately 3 5/8" in length.
Applications:
1966-1969 427 Big Block 4 Speed
1970-1974 454 Big Block 4 Speed
1969 350 Small Block 4 Speed
1973-1981 350 Small Block 4 Speed