PISTON KIT WOSSNER 71.97MM BETA 300RR 18-21 BETA 300RX 21-ON BETA X-TRAINER 300 18-21 Stock Item:PISTON KIT WOSSNER 71.97MM BETA 300RR 18-21 BETA 300RX 21-ON BETA X-TRAINER 300 18-21 sold separately - see listings

sold separately - see listings below for available kits

It will still bolt on & plug in fine

Wossner pistons are used by leading Supercross

0x25mm 10mm Hex Head Flange Bolt | Replenish with BLT2310625

so the external glove shell of the Action Pro and the HDry membrane are sealed with no space in between

PISTON KIT WOSSNER 71.97MM BETA 300RR 18-21 BETA 300RX 21-ON BETA X-TRAINER 300 18-21 Stock Item:PISTON KIT WOSSNER 71.97MM BETA 300RR 18-21 BETA 300RX 21-ON BETA X-TRAINER 300 18-21 sold separately - see listingsWossner pistons are all Forged and supplied with the appropriate piston rings, piston pin and clips. Made in Germany.