20+ Yamaha YZ450F YZ 450F 99mm 12.8:1 470cc Big Bore Cylinder Piston Top End Kit K&N *If a Ti fastener purchased

*If a Ti fastener purchased from us fails for any reason during use it will be replaced with a new one

and service life

Can be used with stock or aftermarket exhaust

1999 Honda TRX450 Foreman

High quality 4135 alloy steel heat treated studs

20+ Yamaha YZ450F YZ 450F 99mm 12.8:1 470cc Big Bore Cylinder Piston Top End Kit K&N *If a Ti fastener purchasedCW21014K01, 24461A, 24461B, CW21014K01, 24461B, 24461, B2W 11311 00 00, B2W 116A0 00 00, B2W 11311 00 00, B2W 116A0 00 00, B2W 11181 00 00, B2W 11351 00 00, B2W 11631 00 00, B2W 11603 00 00, BR9 11633 10 00, BR9 11633 00 00, 93450 19052 00, 51Y 12119 00 00, A YZ450F 2022 97 CG MX1111,204859111922, 204859111024, C3786, B2W W0001 00 00, P400485600213, 35. 2450, 40255M09700, 40254M09700, 191070548896 Cylinder Works Top End 99mm +2mm 470cc Big Bore