Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010K

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Estimated Ship Date: Nov 4, 2025 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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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-40015-6K

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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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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TOP END REPAIR KIT

Part Number: NTI-NA-50025-2K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080-BK1

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Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091K

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TOP END KIT TWIN CYLINDER 90.96/STD CAN

Part Number: NTI-NA-80010K

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TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-BK

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20031-BK1

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TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK1

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Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

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Repair Kit, Top End, 79.21mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-3K

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Repair Kit, Top End, 91.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008K1

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TOP END REPAIR KIT

Part Number: NTI-NX-30080-CK

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Repair Kit, Top End, 53.940mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000K1

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TOP END REPAIR KIT

Part Number: NTI-NX-40005-2K

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TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

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Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CK

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TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

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Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70001K

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