Chevy Chevrolet V8 Exhaust Manifold Header Bolts 3/8 x 1 inch Cap Head Corvette
Corvette Exhaust Header Bolts. These Bolts Are 3/8UNC x 1" Under The Head. Exhaust Manifold Bolts. 1" Bolts Are More Suited To Thinner Wall Tubular Header Systems. RV8-1.1.4 Chevrolet V8 Engine. 1" Bolts (Socket Cap Head).