Hilliard Extreme Duty Centrifugal Clutch. 3/4" bore, 12 tooth, 35 chain

* Bi-Directional, can run clockwise or counter clockwise

* Load-free starting

* Optional engagement speeds

* Easy to Install

* Longer life than competitive clutches

* Sintered metal clutch shoes

* Built in 3/16" key

* Replaceable sprocket

* Easy to change springs

Stock 2300 rpm engagement

* Rated for up to 13 hp 4-cycle engine..