Check out any of the thirty-four Handlebar components enlisted.
A sample from the products for the Handlebar include: B Cap Hndl*type2*, Key Set, Screw 6x40, Col,hndl Cov Mt.
The most reasonably priced component used on the Trx350 Fourtrax 4x4 1987 (h) Usa Handlebar is the Screw 6x40.