Part# CSB-EXrhorns-MT - Small Block Chevy rams horns exhaust manifolds MirrorTopz Bolt Kit. This bolt kit will not rust like a chrome bolt can. This Mirror Topz hex headed bolt kit is from our premium range of 316 polished stainless steel bolts polished to a mirror like finish. This custom exhaust manifold bolt kit will suit all small block Chev 307, 327, 350, 400 V8 engines. This bolt kit comes complete with 12 x bolts, washers and spring washers to enable you to bolt the standard OEM Chev rams horns style exhaust manifolds to your small block Chevrolet engine. This kit completes the look when you have your exhaust manifolds ceramic coated by companies like the Jet Hot or HPC brands.