GM Alternator One Wire Conversion Pigtail Harness Plug In Solenoid and RPM switch sold

Solenoid and RPM switch sold separately

Securing your timing cover is easier than ever with Speedmaster timing cover bolt kits

These Speedmaster head bolt bushing kits allow you to use stock or aftermarket head bolts with Speedmaster or other aftermarket cylinder heads

increased strength

They work under the same principals as OEM tanks

GM Alternator One Wire Conversion Pigtail Harness Plug In Solenoid and RPM switch soldSpeedmaster alternator one wire conversion kit is a simple and effective way of converting your internally regulated three wire alternator to a single wire alternator. Ideal for street rods and race cars that do not require all the additional wires and accessories in stock applications.