Heavy Duty SAE 3/8-16 Bolt Kit. Built to withstand the rigors of high performance, our bolts ensure a secure and lasting hold that you can depend on. Designed for Chevrolet Engines Compatibility: Suitable for ALL Chevrolet Gen 1 & 2 Small Block Engines including 265, 283, 305, 307, 327, 350, 366, 383, 400.
