Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 90.210mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-1K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40019-2K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Stroker Crank, Yamaha, Kit

Part Number: HRI-CBK0150

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Repair Kit, Top End, 66.47mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-2K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Repair Kit, Top End, 76.45mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-2K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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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: Apr 13, 2026 if ordered today

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Repair Kit, Top End, 82.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-4K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50070K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Repair Kit, Top End, 76.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-4K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Repair Kit, Top End, 75.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000K

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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-50026-2K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00117

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Estimated Ship Date: Apr 2, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 65 SX, Kit

Part Number: HRI-CBK0085

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Estimated Ship Date: Apr 3, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-CBK0013

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Repair Kit, Top End, 86.470mm Bore, 8.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10001-2K

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Estimated Ship Date: Apr 13, 2026 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: Apr 6, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0061

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CR250R, Kit

Part Number: HRI-CBK0031

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM350 Raptor, YFM350X Warrior, Kit

Part Number: HRI-CBK0082

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RMZ250, Kit

Part Number: HRI-CBK0173

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0083

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 84.950mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-2K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

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Estimated Ship Date: Apr 13, 2026 if ordered today

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