Your Polaris ACE 900 just got an upgrade
Standard 85mm bore with 10:1 compression ratio for stock performance
Valve lifters/buckets
Set of FOUR (4) KN-139 Oil Filer
Yamaha Wolverine 450 Cylinder Top End Rebuild Repair Kit Namura Piston Gaskets 250SX Your Polaris ACE 900 justNA 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