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

Namura Technologies Top-End Repair Kits NA-30010K

Repair Kit, Top End, 81.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010K

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Namura Technologies Top-End Repair Kits for 1993-2005 TRX90 SPORTRAX - NA-10090-2K

TOP END REPAIR KIT

Part Number: NTI-NA-10090-2K

Not Yet Reviewed

Estimated Ship Date: Feb 18, 2026 if ordered today

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Estimated Ship Date: Feb 18, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2000-2022 KX65, 2003-2005 RM65 - NX-20065K

Repair Kit, Top End, 44.450mm Bore, 8.40 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20065K

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1985-2003 KX60 - NX-20060-BK

TOP END REPAIR KIT

Part Number: NTI-NX-20060-BK

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1986-1990 BW80, 1983-2006 PW80 - NX-40008K

TOP END REPAIR KIT

Part Number: NTI-NX-40008K

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2006 KFX50, 2002-2005 LT-A50 QUADMASTER - NA-30050K1

TOP END REPAIR KIT

Part Number: NTI-NA-30050K1

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003-2006 PREDATOR 90, 2001-2006 SPORTSMAN 90 - NA-50006-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50006-2K

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40005K

Repair Kit, Top End, 82.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005K

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Namura Technologies Top-End Repair Kits NA-40006-2K

Repair Kit, Top End, 83.500mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006-2K

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Namura Technologies Top-End Repair Kits for 2004-2007 TRX400FA FOURTRAX RANCHER AT, TRX400FGA FOURTRAX RANCHER AT GPSCAPE - NA-10040-4K

TOP END REPAIR KIT

Part Number: NTI-NA-10040-4K

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Namura Technologies Top-End Repair Kits for 2001 YZ125 - NX-40000-BK1

Repair Kit, Top End, 5.-950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-BK1

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Namura Technologies Top-End Repair Kits for 2001-2014 TRX500FA FOURTRAX FOREMAN RUBICON, 2004-2008 TRX500FGA FOURTRAX FOREMAN RUBICON GPSCAPE, 2011-2014 TRX500FPA FOURTRAX FOREMAN RUBICON WITH EPS - NA-10008K

Repair Kit, Top End, 91.96mm Bore, 9.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008K

Not Yet Reviewed

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Namura Powersports Top End Engine Kits NA-30025-6K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-6K

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Namura Technologies Top-End Repair Kits for 2002-2014 LT-F250 OZARK, 2002 LT-F250 QUADRUNNER, 2004-2009 LT-Z250 QUADSPORT Z - NA-30008-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-2K

Not Yet Reviewed

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Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-4K

Repair Kit, Top End, 67.35mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-4K

Not Yet Reviewed

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Sierra Marine Complete Engine Maintenance Kits 7-09746

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

Part Number: RRA-7-09746

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09747

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

Part Number: RRA-7-09747

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09748

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

Part Number: RRA-7-09748

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09735

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

Part Number: RRA-7-09735

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Sierra Marine Complete Engine Maintenance Kits 7-09740

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

Part Number: RRA-7-09740

Not Yet Reviewed

Estimated Ship Date: Feb 26, 2026 if ordered today

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Estimated Ship Date: Feb 26, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1999-2005 TRX90 SPORTRAX, 2007-2008 TRX90EX SPORTRAX, 2009-2025 TRX90X - NA-10090K

TOP END REPAIR KIT

Part Number: NTI-NA-10090K

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1996-1998 LT-4WDX KING QUAD 250, 1999-2002 LT-F300F KINGQUAD 4X4 - NA-30001-4K

Repair Kit, Top End, 69.47mm Bore, 9.00 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30001-4K

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2000-2002 CR125R - NX-10000-CK1

TOP END REPAIR KIT

Part Number: NTI-NX-10000-CK1

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2003 CR125R - NX-10000K2

Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K2

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2004 CR125R - NX-10003K

Repair Kit, Top End, 53.940mm Bore, 8.60 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10003K

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today