Engine Rotating Assemblies & Rebuild Kits

Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0124

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Estimated Ship Date: Oct 23, 2025 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: Oct 23, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0186

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Estimated Ship Date: Oct 23, 2025 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0190

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Polaris, Kit

Part Number: HRI-CBK0224

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Estimated Ship Date: Oct 23, 2025 if ordered today

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BOTTOM END KIT

Part Number: HRI-CBK0231

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Estimated Ship Date: Oct 23, 2025 if ordered today

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

Part Number: NTI-FX-10035K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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

Part Number: NTI-FX-10045-BK

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Estimated Ship Date: Oct 31, 2025 if ordered today

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

Part Number: NTI-FX-40032K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20001K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 68.47mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 89.97mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002-BK

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014-CK

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080-2K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-2K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025K

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026-2K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K2

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091K

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Estimated Ship Date: Oct 31, 2025 if ordered today

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