As the leading manufacturer of forged two-stroke pistons, Wiseco knows top end bearings are crucial to your top end rebuild. Wiseco two-stroke top end bearings are manufactured by leading bearing suppliers and inspected for quality.
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 1972-1975 |
Arctic Cat |
Cheetah 440 |
Base |
| 1971 |
Arctic Cat |
EXT 440 |
Base |
| 1974 |
Arctic Cat |
Lynx II 440 |
Base |
| 1975 |
Arctic Cat |
Pantera 440 |
Base |
| 1971-1975 |
Arctic Cat |
Panther 440 |
Base |
| 1971-1973 |
Arctic Cat |
Puma 440 |
Base |
| 1974 |
Arctic Cat |
VIP 440 |
Base |
| 1979-1982 |
John Deere |
Liquifire 440 |
Base |
| 1979-1982 |
John Deere |
Sportfire |
Base |
| 1979 |
John Deere |
Trailfire 340 |
Base |
| 1979 |
John Deere |
Trailfire 440 |
Base |
| 1979-1981 |
Kawasaki |
Drifter 440 |
Base |
| 1994-1996 |
Kawasaki |
EX500 Ninja 500 |
Base |
| 1969-1975 |
Kawasaki |
H1 Mach III |
Base |
| 1978-1981 |
Kawasaki |
Intruder 440 |
Base |
| 1978-1981 |
Kawasaki |
Invader 440 |
Base |
| 1977-1992 |
Kawasaki |
JS440 |
Base |
| 1982-1989 |
Kawasaki |
JS550 |
Base |
| 1990-1991 |
Kawasaki |
JS550 550SX |
Base |
| 1976 |
Kawasaki |
KH500 |
Base |
| 1973-1976 |
Kawasaki |
KZ900/Z1 |
Base |
| 1972 |
Yamaha |
CT2 |
Base |
| 1973 |
Yamaha |
CT3 |
Base |
| 1978-1981 |
Yamaha |
DT175 |
Base |
| 1977-1981 |
Yamaha |
IT175 |
Base |
| 1979-1981 |
Yamaha |
MX175 |
Base |
| 1973-1975 |
Yamaha |
RD350 |
Base |
| 1976-1979 |
Yamaha |
RD400 |
Base |
| 1990-1998 |
Yamaha |
RT180 |
Base |
| 1982-1983 |
Yamaha |
YT175 Tri-Moto |
Base |
| 1976 |
Yamaha |
YZ175 |
Base |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Price Match Guarantee:
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Our Promise:
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