big bore cylinder barrel kit aprilia area 51 1998 2003 Suzuki TU125 This set of head stock

This set of head stock bearings are taper roller style and have been manufactured to replace the original set of steering bearings on a Suzuki DR400 for the years and models shown above

To replace OEM: 2UJ-82310-01

Yamaha YZ 250 WR (1989-1990)

Kawasaki Z 440 D (1980)

The majority of companies are selling 90mm or 100mm mounting coils which will need modification to mount

big bore cylinder barrel kit aprilia area 51 1998 2003 Suzuki TU125 This set of head stockBrand new big bore cylinder barrel kit to fit: Aprilia Area 51 (1998 2003). This cylinder kit has been manufactured to upgrade the original top end on an Aprilia Area 51 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade from 50cc to 70cc.