Product Description Specifications Featuring a high strength tooth that resists wear even with high-pressure oil pumps, this .500" I.D. bronze distributor gear fits steel roller cams in Ford Boss 351, 351C/M-400M, 352-428 and 429-460. Category: Engine Components>Distributor Gears Core: N LTL: N MPN: 432 Proposition 65: Y Special Order: Y