Product Description Specifications Featuring a high strength tooth that resists wear even with high-pressure oil pumps, this .491" I.D. bronze distributor gear fits steel roller cams in Chevrolet 200-262 V6, 265-400 Small Block and 396-454 Big Block. Category: Engine Components>Distributor Gears Core: N LTL: N MPN: 412 Proposition 65: Y Special Order: Y