Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NX-70000K

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Estimated Ship Date: Apr 6, 2026 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: Apr 6, 2026 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-10000K2

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 47.500mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40008-2K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-30050K1

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

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

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TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70001-BK

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

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

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Repair Kit, Top End, 52.510mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20010-BK

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20010-CK

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

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-BK

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 47.44mm Bore, 8.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40085K

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Estimated Ship Date: Apr 6, 2026 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: Apr 14, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3956

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Estimated Ship Date: Mar 30, 2026 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: Apr 6, 2026 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: Apr 6, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-30050-2K1

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005-BK

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70005-CK

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

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