MCS-505973 - BDL is offering you the benefits of the E.T.C. clutch for your 3" belt drive; without having to purchase a complete belt drive kit. It will fit all 4 speed Big Twin transmissions and will take care of the clutch drag that is always found in the old 4-speed trans

Fitment:
36-84 4-sp B.T. with existing 3" drive with 76t. clutch pulley (NU)