Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 86.48mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000-2K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11000-4K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Repair Kit, Top End, 66.35mm Bore, 8.60 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30024K1

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Estimated Ship Date: Mar 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40000-CK1

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Repair Kit, Top End, 91.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-2K

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Repair Kit, Top End, 53.960mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-CK

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Repair Kit, Top End, 78.71mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-1K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

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Estimated Ship Date: Mar 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: Mar 20, 2026 if ordered today

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Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005K

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Estimated Ship Date: Mar 20, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70007K

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250R, Kit

Part Number: HRI-CBK0128

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, Kit

Part Number: HRI-CBK0165

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Estimated Ship Date: Mar 12, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00113

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Estimated Ship Date: Mar 12, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00119

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Estimated Ship Date: Mar 12, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00121

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Estimated Ship Date: Mar 12, 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: Mar 12, 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: Mar 12, 2026 if ordered today

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Repair Kit, Top End, 82.46mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-2K

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Estimated Ship Date: Mar 20, 2026 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: Mar 20, 2026 if ordered today

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