Engine Kits & Rotating Assemblies

Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Estimated Ship Date: Oct 23, 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: Oct 23, 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: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Estimated Ship Date: Oct 23, 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: Nov 3, 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: Nov 3, 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: Nov 3, 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: Nov 3, 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: Nov 3, 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: Nov 3, 2025 if ordered today

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Repair Kit, Top End, 47.46mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081-CK

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Estimated Ship Date: Oct 23, 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: Oct 23, 2025 if ordered today

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Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NX-20013K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 53.96mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-CK

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Estimated Ship Date: Oct 23, 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: Oct 20, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3960

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Estimated Ship Date: Oct 20, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3963

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Estimated Ship Date: Oct 20, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3978

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Estimated Ship Date: Oct 20, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: Oct 20, 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: Oct 24, 2025 if ordered today

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Repair Kit, Top End, 83.000mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006K

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Repair Kit, Top End, 66.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000-4K

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Estimated Ship Date: Oct 24, 2025 if ordered today

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