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Take your GM TH400 transmission to the next level with this premium heavy duty forward drum and 300M input shaft combo
The adaptors are available in different widths and register bore hole sizes to match your specific engine application and supercharger model
These coils feature advanced bobbin technology
Speedmaster ignition modules will show you the benefits of greater throttle response
and will provide a leakproof seal
8020 Series Distributor High Output Magnetic Pickup Take your GM TH400 transmissionSpeedmaster magnetic pickups are the same high output assemblies that are currently found in all Speedmaster 8020 series distributors. They're made to replace defective or damaged pickups in all Speedmaster 8020 series distributors.
