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 |
| 1994-1996 |
Polaris |
Sportsman 400 4x4 |
Base |
| 1990-1993 |
Polaris |
Trail Boss 350L 2x4 |
Base |
| 1990-1993 |
Polaris |
Trail Boss 350L 4x4 |
Base |
| 1980 |
Suzuki |
DS250 |
Base |
| 1985-1992 |
Suzuki |
LT250R QuadRacer |
Base |
| 1987-1990 |
Suzuki |
LT500R QuadRacer |
Base |
| 1974-1975 |
Suzuki |
RL250 |
Base |
| 1972-1975 |
Suzuki |
TM250 |
Base |
| 1973-1981 |
Suzuki |
TS250 |
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 are committed to providing the best value. If you find a lower advertised price from a verified vendor, we will match it. Shop with confidence knowing you’re getting the industry's lowest price.
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Project Incentives:
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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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• AH630 — $630 OFF $9000+
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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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Direct Consultation:
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Unused items in brand-new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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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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Need assistance? Reach out via our
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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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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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