Part# VSB-EX-KBSktCap - Small block Chrysler headers KustomBitz Bolt Kit. This bolt kit will not rust like a chrome bolt can. This hex slot socket cap bolt kit is from our standard range of 316 polished stainless steel bolts polished to our Kustom Bitz standard finish. These are the bolts that have the Allen Key hex type slot in a round headed bolt with a gnarled outer edge. This custom exhaust header bolt kit will suit all small block Chrysler 273, 318, 340, 360 V8 engines. This bolt kit comes complete with 12 x bolts, washers and spring washers to enable you to bolt the after market style exhaust headers or extractors to your small block chrysler engine. This kit completes the look when you have your exhaust headers ceramic coated by companies like the Jet Hot or HPC brands.