2011 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

Namura Technologies Top-End Repair Kits NA-40005-2K

Repair Kit, Top End, 83.450mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-2K

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2004 YFA-1 BREEZE125, 2004-2013 YFM125 GRIZZLY - NA-40019-2K

TOP END REPAIR KIT

Part Number: NTI-NA-40019-2K

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Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2013 KX85 - NX-20085K

Repair Kit, Top End, 48.450mm Bore, 9.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20085K

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2005-2021 YZ125, 2020-2022 YZ125X - NX-40009K

Repair Kit, Top End, 53.950mm Bore, 10.70 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40009K

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

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 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 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits 422-21003K2

Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, Set

Part Number: CLW-21003-K02

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Cylinder Works Big Bore Cylinder Kits for 2006-2014 YFM700R RAPTOR, 2007 YFM700R RAPTOR GYTR EDITION, 2007-2014 YFM700R RAPTOR SE - 422-21004K

Cylinder Kit, Forged Aluminum, 3.00mm Oversize Bore, Yamaha, Set

Part Number: CLW-21004-K01

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Cylinder Works Cylinders for 2011-2016 KX250F - 422-30006

Cylinder Kit, Aluminum, 77.00mm Bore, Kawasaki, Set

Part Number: CLW-30006

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Cylinder Works Big Bore Cylinder Kits for 2009-2015 KX450F - 422-31011K

2MM BIG BORE CYLINDER KIT

Part Number: CLW-31011-K01

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Namura Technologies Top-End Repair Kits NA-50004-6K

Repair Kit, Top End, 93.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-6K

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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 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

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Namura Technologies Top-End Repair Kits NA-20075-CK

Repair Kit, Top End, 84.98mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075-CK

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Vertex Complete Engine Rebuild Kits for 2010-2025 CRF150R, 2012-2025 CRF150R EXPERT - WR101-178

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 11.70 to 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR101-178

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Cylinder Works Standard Bore Cylinder Kits 422-20104K

Cylinder Kit, Forged Aluminum, Standard Bore, Yamaha, Set

Part Number: CLW-20104-K01

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Cylinder Works Standard Bore Cylinder Kits 422-60002KH2

Top End Engine Kits CYL WORKS STD BORE KIT HI COMP CYL WORKS STD BORE KIT HI COMP 800 SPORSTMAN/RZR/RANGER

Part Number: CLW-60002-K02HC

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Namura Technologies Top-End Repair Kits NA-10012-2K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-2K

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Namura Technologies Top-End Repair Kits NA-50080-BK

Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080-BK

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Summit Racing™ Pro LS Crank and Rod Kits SUM-CR3658125

Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 6.0L, 6.2L, Kit

Part Number: SUM-CR3658125

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR360402

Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360402

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Summit Racing™ Pro LS 6.2L Rotating Assemblies SUM-R5836L0802

Pro LS 4340 Rotating Assembly, 378 Cid., 4.080 bore, 3.622 stroke, 58x, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L0802

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Summit Racing™ Pro LS 5.3L Rotating Assemblies SUM-R5836L7807

Pro LS Rotating Assembly, 325 Cid., 3.780 bore, Standard 3.622 stroke, 58x, 6.125 rod, 7cc dish, 9.7:1 @ 61cc, 9.3:1 @ 65cc, File-Fit Rings, H Bearing

Part Number: SUM-R5836L7807

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Summit Racing™ Pro LS 5.7L Rotating Assemblies SUM-R584089816

Pro LS 4340 Rotating Assembly, 382 Cid., 3.898 bore, 4.000 stroke, 58x, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings, H Bearings

Part Number: SUM-R584089816

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