Namura Engine Kits & Rotating Assemblies

Repair Kit, Top End, 83.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-2K

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Estimated Ship Date: Apr 13, 2026 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: Apr 13, 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 13, 2026 if ordered today

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TOP END KIT 92.97/+0.01 11:1 POL

Part Number: NTI-NA-50098-BK

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Estimated Ship Date: Apr 13, 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 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-BK

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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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TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

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TOP END REPAIR KIT

Part Number: NTI-NX-20010-CK

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Repair Kit, Top End, 82.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-4K

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TOP END REPAIR KIT

Part Number: NTI-NA-50070K

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TOP END REPAIR KIT

Part Number: NTI-NA-50070-CK1

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50090-BK

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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: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-30080K

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

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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: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

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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 13, 2026 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: Apr 13, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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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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TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK1

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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TOP END KIT 87.96/STD HUSQ/KTM

Part Number: NTI-NX-70062K2

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Estimated Ship Date: Apr 13, 2026 if ordered today

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