Engine Kits & Rotating Assemblies

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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Estimated Ship Date: Dec 26, 2025 if ordered today

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Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

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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-40026-BKA

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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-40026-CKA

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

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Estimated Ship Date: Dec 26, 2025 if ordered today

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Repair Kit, Top End, 46.95mm Bore, Yamaha, Kit

Part Number: NTI-NX-40080K

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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-70000-BK

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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-70001-BK

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Estimated Ship Date: Dec 26, 2025 if ordered today

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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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Estimated Ship Date: Dec 26, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005-BK

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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-70007-BK

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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-70007K

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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-70020K

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Estimated Ship Date: Dec 26, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22813CD

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Estimated Ship Date: Dec 29, 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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TOP END REPAIR KIT

Part Number: NTI-NX-70000K

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Estimated Ship Date: Dec 26, 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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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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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50015-2K

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Estimated Ship Date: Dec 26, 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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TOP END REPAIR KIT

Part Number: NTI-NA-20001K

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Estimated Ship Date: Dec 29, 2025 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: Tomorrow if ordered today

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