Page 148 of 2008 Performance Parts by Ford Racing Performance Parts

engine components distributor gears part number material color diameter outside inside application m-12390-a m-12390-b m-12390-c m-12390-d m-12390-e m-12390-f m-12390-g m-12390-h m-12390-j m-12390-k m-12390-l cast iron steel bronze cast iron bronze steel cast iron bronze orange none bronze blue bronze with blue stripe yellow green bronze with green stripe none none none 1.249 1.249 1.249 1.249 1.249 1.249 1.421 1.421 0.467 0.467 0.467 0.531 0.531 0.531 0.531 0.531 289/302 hydraulic flat tappet engines with point-type or duraspark distributors 302 with steel billet and production roller camshaft with point-type or duraspark distributors all 289/302 engines with point-type or duraspark distributors all 302 hydraulic flat tappet engines with efi all 351w engines all 302 hydraulic flat or roller tappet engines with efi all 351w engines all 302/351w hydraulic roller tappet engines with efi and 351w duraspark distributors all 351c/351m/400/429/460 engines all 351c/351m/400/429/460 engines steel 1.421 0.531 all 351c/351m/400/429/460 engines polymer 1.249 0.467 289/302 all camshafts with point or duraspark distributors polymer 1.421 0.531 302 efi/all 351w all camshafts material selection notes · cast iron gears are compatible with cast iron camshafts hydraulic or solid flat tappet type important installation note · steel gears are compatible with billet steel camshafts hydraulic roller tappet type distributor gears do not have pre-drilled holes · bronze gears can be used with either cast iron or billet steel camshafts they are usually see instructions included with part call the recommended by manufacturers of aftermarket billet steel solid roller tappet camshafts techline 800 ford788 for a faxed copy or visit since the bronze is softer than cast iron or steel it will wear at a faster rate fordracingparts.com or see page 147 · polymer gears are compatible with all camshafts m-12390-d m-12390-e m-12390-j polymer distributor gear for 289/302 m-12390-k · · · · for extreme duty race engines excellent wear characteristics can be used with billet or cast camshafts fits 302 distributors with .467 diameter shaft polymer distributor gear for 351w m-12390-l · · · · for extreme duty race engines excellent wear characteristics can be used with billet or cast camshafts fits 302 and 351w distributors with .531 diameter shaft 146 techline 800 ford788 not legal for sale or use on pollution-controlled motor vehicles direct replacement part see pages 2-8 for important safety emissions and warranty information.

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