Hardened Tach Drive Bushing for Cam or Crank Bolt
Replacement hardened cam bushing for Tach Drives Part No. 1386 and 1388. To install, drill a 9/32" hole in the crank front bolt, camshaft, or timing gear* and then tap the bushing into place. Accepts any 0.150" square drive cable.
* This hole size provides a proper press fit in cast iron or steel parts. Pressing this bushing into harder material is not recommended. If you are using a hardened bolt, you will need to broach a 0.188" square hole in the bolt head.
Note: One bushing is included with the Tach Drives Part No. 1386 and 1388.
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