Engine Kits & Rotating Assemblies

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 2, 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 2, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10090K

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Estimated Ship Date: Dec 2, 2025 if ordered today

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

Part Number: NTI-NA-50003K

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Repair Kit, Top End, 47.950mm Bore, 9.40 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20080K

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Estimated Ship Date: Dec 2, 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 2, 2025 if ordered today

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Piston, NAMURA PISTON KIT

Part Number: NTI-NA-50081

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Estimated Ship Date: Dec 2, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-2K

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Estimated Ship Date: Dec 2, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-4K

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Estimated Ship Date: Dec 2, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-6K

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Estimated Ship Date: Dec 2, 2025 if ordered today

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Repair Kit, Top End, 53.950mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-BK

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Estimated Ship Date: Dec 2, 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 2, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 16 789 02-S, Kohler, Kit

Part Number: RRA-7-09746

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 32 789 02-S, Kohler, Kit

Part Number: RRA-7-09747

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 12 789 02-S, Kohler, Kit

Part Number: RRA-7-09748

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 99969-6543, Kawasaki, Kit

Part Number: RRA-7-09735

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 01-S, Kohler, Kit

Part Number: RRA-7-09740

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 02-S, Kohler, Kit

Part Number: RRA-7-09741

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Vehicle Maintenance Kit, Complete Engine Maintenance, OE 24 789 03-S, Kohler, Kit

Part Number: RRA-7-09742

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Estimated Ship Date: Dec 12, 2025 if ordered today

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Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

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Estimated Ship Date: Dec 3, 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 3, 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 3, 2025 if ordered today

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Repair Kit, Top End, 46.940mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080K1

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Estimated Ship Date: Dec 3, 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 3, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20001-BK

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Estimated Ship Date: Dec 3, 2025 if ordered today

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