22-23 | Rotax Piston Assembly (53.95mm) Rear Hub and valve stem cap

and valve stem cap

these hubs are the perfect choice for your kart

Point Karting suggests limiting wear to on-track activities while seated in the kart

the drive sprocket fits into the exploded diagram in the photo gallery as part #15

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22-23 | Rotax Piston Assembly (53.95mm) Rear Hub and valve stem capPiston Assembly for Rotax Max Evo Engines, 53. 95mm diameter. This piston and ring assembly is ideal for Rotax Max Evo racing engines, and includes the piston and associated ring to fit in engines that have been bored and adjusted to 53. 95mm. Each piston is sold with the ring as noted. These are parts 22 23 in the diagram.