Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Namura Technologies Top-End Repair Kits NA-50002-4K

Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2004 CR250R - NX-10027K

Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10027K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-20030-BK

TOP END REPAIR KIT

Part Number: NTI-NX-20030-BK

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2007 TRX400FA FOURTRAX RANCHER AT, TRX400FGA FOURTRAX RANCHER AT GPSCAPE - NA-10040K

Repair Kit, Top End, 84.97mm Bore, for use on Honda®, Kit

Part Number: NTI-NA-10040K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-10042-2K

Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-20065K

Repair Kit, Top End, 79.96mm Bore, 9.90 to 1 Compression Ratio, Arctic Cat, Kawasaki, Kit

Part Number: NTI-NA-20065K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 1986 SRX600, 1984-1986 XT600, 1998-2001 YFM600FW GRIZZLY 4X4 - NA-40007-4K

TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Namura Powersports Top End Engine Kits NA-40007K

TOP END REPAIR KIT

Part Number: NTI-NA-40007K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40010K

Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40012-BK

Repair Kit, Top End, 101.980mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012-BK

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-40012K

Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Powersports Top End Engine Kits NA-10001-1K

TOP END REPAIR KIT

Part Number: NTI-NA-10001-1K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Namura Technologies Top-End Repair Kits NA-10008-2K1

Repair Kit, Top End, 92.46mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-2K1

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-50002-6K

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

Part Number: NTI-NA-50002-6K

Not Yet Reviewed

Estimated Ship Date: Aug 1, 2025 if ordered today

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Estimated Ship Date: Aug 1, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-50003-2K

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: Aug 1, 2025 if ordered today

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Namura Technologies Top-End Repair Kits NA-50004K

Repair Kit, Top End, 91.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004K

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Namura Powersports Top End Engine Kits NX-70050-BK

TOP END REPAIR KIT

Part Number: NTI-NX-70050-BK

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Estimated Ship Date: Aug 1, 2025 if ordered today

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Mopar Replacement Engine Rebuild Kits 68210592AA

PLATE, REINFORCEMENT, 2014-2023

Part Number: MOP-68210592AA

Not Yet Reviewed

Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK2343

LOWER KIT

Part Number: MAH-LK2343

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK2345

LOWER KIT

Part Number: MAH-LK2345

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK2379

LOWER KIT

Part Number: MAH-LK2379

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK238

LOWER ENGINE KIT

Part Number: MAH-LK238

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK2393

LOWER KIT

Part Number: MAH-LK2393

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK2419

LOWER KIT

Part Number: MAH-LK2419

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

MAHLE Original Engine Rebuild Kits LK2425

LOWER KIT

Part Number: MAH-LK2425

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today