Big Bore Cylinder Barrel Kit: Benelli 491 LC 50 (1998-2006) Yamaha YT60 This is the highest quality

This is the highest quality aftermarket Yamaha PW50 cylinder kit you can get on the market

This set of R45 headstock bearings are taper roller style

Kawasaki Z 1000 (ZR1000 J) (2017-2019)

This set of head stock bearings are taper roller style and have been manufactured to replace the original steering bearings on a GSXR1000 / GSX-R1000 for the above years

To replace OEM: 3TJ-82310-00 / 3TJ-82320-00 / 1WG-82310-10 / 1WG-82320-10

Big Bore Cylinder Barrel Kit: Benelli 491 LC 50 (1998-2006) Yamaha YT60 This is the highest qualityBrand new big bore cylinder barrel kit to fit: Benelli 491 LC 50 (Minarelli Motor) (1998 2006). This cylinder kit has been manufactured to upgrade the original top end on a Benelli 491 LC 50 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.