2009 Engine Kits & Rotating Assemblies

Repair Kit, Top End, 92.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-4K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0139

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, KX85, Kit

Part Number: HRI-CBK0029

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Estimated Ship Date: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 85 SX, Kit

Part Number: HRI-CBK0107

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 250 SX-F, Kit

Part Number: HRI-CBK0071

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003-2K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-6K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Big Bore Cylinder Kit, Forged Piston, 98mm Bore, Yamaha, Motorcycle, Kit

Part Number: CLW-21003-K01

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Kit, Forged Aluminum, Standard Bore, Arctic Cat, Kawasaki, Suzuki, Set

Part Number: CLW-40001-K01

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Top End Engine Kits CYL WORKS STD BORE POWER VALVE CYL WORKS STD BORE POWER VALVE YZ250 '99-15

Part Number: CLW-CW-PV-K01

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 13.00 to 1 Compression Ratio, Kit

Part Number: CLW-20001-K01HC

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-20005K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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STANDARD BORE CYLINDER KIT

Part Number: CLW-30011-K01

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-20003K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40045K2

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K02

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Estimated Ship Date: Apr 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, KX100, Kit

Part Number: HRI-CBK0102

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ250, Kit

Part Number: HRI-CBK0135

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Repair Kit, Top End, 86.470mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003-6K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-40033-BK

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Estimated Ship Date: Apr 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036-6K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20065-2K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Repair Kit, Top End, 79.96mm Bore, 9.90 to 1 Compression Ratio, Arctic Cat, Kawasaki, Kit

Part Number: NTI-NA-20065K

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Estimated Ship Date: Apr 20, 2026 if ordered today

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