All kits come with pistons
FITS ALL '06+ HONDA TRX450R/450ER MODELS
FITS ALL YFZ450 YEARS AND MODELS
allowing for precise adjustments based on fuel quality
Stainless steel one-piece valve construction
Yamaha Grizzly 450 Cylinder Kit Top End Rebuild Repair Kit Namura Piston Gaskets RZR 170 All kits come with pistonsNA 40011K, NA 40011R, NA 40011, NA 40008T, 4939M08450, 5GH 11310 00 00, 5ND 11310 00 00, 810875 =, 93210 89447 00, 5GH 11181 00 00, 5GH 11351 00 00, 93210 33786 00, 93210 18322 00, 3GD 12213 00 00, 93210 89447 00, 5GH 11181 00 00, 5GH 11351 00 00, 93210 33786 00, 93210 18322 00, 3GD 12213 00 00, 5GH 11310 00 00, 5ND 11310 00 00, C CYL 0043, CX143, C3213 EST, 191070007690, P400485600062 Yamaha 450 Grizzly Kodiak Wolverine Rhino YFM 450 Top End Rebuild