Wiseco Top-End Rebuild Kit for 2005-16 KTM 250 SX / EXC - 66.40mm - PK1883 feed-mpn-WT4-115-1 and a quality rubber grommet

and a quality rubber grommet and connectors

Note: This kit will not work on Mule 550 models

Part Number: PE-C-AY660-B

2004 Yamaha FZS600 Fazer

Wiseco Top-End Rebuild Kit for 2005-16 KTM 250 SX / EXC - 66.40mm - PK1883 feed-mpn-WT4-115-1 and a quality rubber grommetWiseco Performance Top End Rebuild Kit Part Number: PK1883 Piston Size: 66. 40mm These kits contain everything you need to complete your rebuild the right way, the first time High Performance ring kit and alloy pin included with each piston kit for extended life and sustained power Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy All Piston Kits are precision crafted and forged in the USA Wiseco's complete Top