Big Bore Cylinder Barrel Kit: Aprilia RS4 50 (2011-2017) Kawasaki Z400 To replace the following OEM

To replace the following OEM numbers: 21171-0028

Kawasaki GPZ 750 A (ZX750) (1983-1987)

This coil has been manufactured to be an upgrade on the original coil 2JN-82310-M0

Suzuki RMX 250 (1989-1995)

Big Bore Cylinder Barrel Kit: Aprilia RS4 50 (2011-2017) Kawasaki Z400 To replace the following OEMBrand new big bore cylinder barrel kit to fit: Aprilia RS4 50 (2011 2017). This cylinder kit has been manufactured to upgrade the original top end on an Aprilia RS4 50 to 70cc for the years and models shown above. The kit includes the cylinder barrel jug, head, piston kit and gaskets. To upgrade D50B0 or D50B1 2 stroke engine from 50cc to 70cc. Chassis Prefix: ZD4TK000 ZD4VX ZD4TK0008 ZD4TK0000.