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These replacement valve seats are just like the originals
Speedmaster housing bolts a are made of 8740 alloy
although slightly taller
The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise
don't forget to get the correct transmission yoke for your application
Ford Mustang Falcon 1964-73 Toploader 4 Speed 2nd Gear 31 Tooth These replacement valve seats areTransmissions are the most essential component for putting power from your engine to the wheels. It needs to be reliable. Our extensive line of manual transmission replacement components allow you to service your transmission our build one of your own. All of our components are heavy duty performance upgrades of their stock counterparts but are manufactured to the original tolerances and specifications.
