These are Grade 5 bolts and are designed for Chevy small-block V8 engines. Each complete kit contains twelve of 3/8"-16 x 1" bolts and twelve of 3/8" AN washers.
Aftermarket product, usually an enhancement product.
This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.