HP Ford Distributor 351W

Distributor - Race - Magnetic Pickup - Mechanical Advance - HEI Style Terminal - Black - Small Block Ford - Each / Body o.d. is 1.555 where distributor fits into intake.Distance from block mounting flange to top of cap is 8-1/8. This distributor features a .531 diameter shaft and includes a cast iron drive gear (OE Blue Dot w/1.249 OD) for use with flat tappet camshafts. Consult your engine builder or camshaft manufacturer for the correct drive gear for your application.