Chevy Chevrolet V8 Exhaust Manifold Header Bolts 3/8 x 1.1/4 inch Cap Head Kit
These Bolts Are 3/8UNC x 1.1/4" Under The Head. Exhaust Manifold Bolts. RV8-1.1.3 Chevrolet V8. Corvette Exhaust Header Bolts. 1" Bolts (Socket Cap Head). 1.1/4" Bolts (Socket Cap Head). Edlebrock Cylinder Head Exhaust Bolts.