1.440" Od. 1.050" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers These Speedmaster deep aluminum transmission

These Speedmaster deep aluminum transmission pans will increase fluid capacity

These rear-ends have a reputation for being tough to handle the abuse of Circle Track racing

These Speedmaster tailshaft housings are designed to fit the stock Turbo 400 transmissions

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The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise

1.440" Od. 1.050" Id. 7 Degree 11/32 Chromoly Steel Valve Spring Retainers These Speedmaster deep aluminum transmissionSpeedmaster chromoly steel retainers are made from 4140 chromoly and then heat treated for long life. These retainers are available in a variety of lock angles and sizes to suit your needs, from performance street to competition use.