Part# FDW-VCAlySpcr-Zn - Small Block Ford Windsor valve cover high tensile bolt Kit for use with our AussieSpeed 12mm billet valve cover spacers for roller rocker clearance when fitted to early small block Ford Windsor 289, 302, 351 V8 engines. This zinc coated hex socket caps bolt kit comes complete with 12 x bolts, washers and spring washers to enable you to bolt a typical Aluminium [Aluminum for our USA friends] style valve covers with a 1/4 inch thick flange to a ford small block windsor engine when using our billet 12 mm [1/2 inch] spacers. For example, the Mickey Thompson and Cobra style Alloy covers. The length of the bolts allows enough height for two cork or rubber felpro style or similar gaskets to be used with the spacer.