Manual transmission swaps often leave builders with a speedometer cable mismatch. This adapter connects a GM 7/8 in. threaded cable to supported Tremec transmissions so the mechanical speedometer setup can stay simple and leak-resistant.

American Powertrain SPGM-10004BK GM Speedometer Cable Adapter Features:

• Adapts GM 7/8 in. threaded speedometer cable
• For Tremec T-56 Magnum, TKX, and TKO transmissions
• Machined billet design
• Double O-ring seal at transmission case opening
• Internal cable seal