Exhaust / Headers

3/8-16 in Thread 0.75 in Long 12 Point Head Chromoly Black Oxide Universal Set of 12

3/8-16 in Thread 0.75 in Long 12 Point Head Stainless, Polished Universal Set of 12

Specification sSocket Size(s) 3/8 hexUHL (Qty: 16) 1.000˝Thread Size 3/8˝washers included

Chevrolet LS Gen III/IV, 3/8˝ wide flange, 1.181˝ UHL, 8740

When installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are Grade 5 for strength, black oxide coated, and have a compact hex head that is ideal for use where space is minimal - your...

Header Bolt, 3/8-16 in Thread, 0.750 in Long, 5/16 in Hex Head, Steel

HEADER STUD 3/8 12 POINT - SBC