Engine Kits & Rotating Assemblies

Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Repair Kit, Top End, 53.950mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001-BK

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Estimated Ship Date: Dec 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40005-4K

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Estimated Ship Date: Dec 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40009-BK

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Estimated Ship Date: Dec 22, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40009-CK

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Estimated Ship Date: Dec 22, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3949

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Repair Kit, Top End, 91.460mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-6K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20085-CK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 47.940mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015K

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K1

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Repair Kit, Top End, 66.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-2K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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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Estimated Ship Date: Dec 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 53.96mm Bore, Suzuki, Kit

Part Number: NTI-NX-30000K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70000-BK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK1

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10051K

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Estimated Ship Date: Dec 26, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10081-BK

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Repair Kit, Top End, 47.44mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081K

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Estimated Ship Date: Dec 26, 2025 if ordered today

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