When installing headers you will need header bolts, factory exhaust manifold bolts won't work. These Mr. Gasket Header Bolts are grade 8 for strength, black oxide coated, and have a compact 3/8 inch hex head that is ideal for use where space is minimal - your typical header flanges. Includes (12) 3/8-16 x 3/4 inch bolts.

Product Features:

• Mini 3/8 inch hex head for better socket clearance
• Grade 8
• Black oxide coated
• Grade 5 Material
• Protective Black Finish