OEM-quality Grade 8 cylinder head bolt set (does both heads) Cheap insurance to prevent downtime in the shop. For use with cast iron cylinder heads (without washers) Stock Chevrolet bolt length. 5/8” hex head (not undersized) 120,000 PSI proof load, 130,000 PSI yield strength, 150,000 PSI tensile strength. Threads are coated with sealant. Set contains 34 bolts (does 1 engine)
If you're assembling a new iron-head small block Chevy motor or rebuilding an old set of factory heads, we have all the engine hardware you'll need to do it right!
This 34-piece complete bolt set features OEM-quality Grade 8 fasteners. Replacing your cylinder head bolts is cheap insurance to prevent downtime in the shop. These bolts are for use with cast iron headed S/B Chevy engines where washers are not needed. Each bolt is the proper length and features a 5/8 inch hex head for high strength, up to 150,000 PSI tensile strength. Each bolt arrives coated with sealant for a proper install. Each set is the correct number of bolts to complete one small block Chevy engine (2 cylinder heads).