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68x58mm 421cc Cub cylinder
Works with all stock or aftermarket cylinder head except Pro Design
Hot Cams timing chain & more
Elevate your riding experience today with the Yamaha Banshee 421cc Pro-X Stroker Kit
enhanced engine reliability
2017+ XP1000 XP 1000 Rebuilt Top End Rebuild Kit Stock Cylinder Pistons Assembly Cheetah Cub 68x58mm 421cc Cub cylinderWORKS ON ALL '17+ POLARIS RZR XP 1000 MODELS Aftermarket stock bore cylinder Billet universal cam chain tensioner kit Wiseco JE Wossner or CP Carrillo forged pistons** Nitrite coated piston rings Chrome wristpins Circlips Top end gasket kit MLS head gasket Valve stem seals Maxlock TITANIUM head stud kit The strongest, longest lasting, and lightest stud kit you can buy and it comes with a LIFETIME REPLACEMENT WARRANTY*! HD timing chain Pistons use pump