2005 Engine Kits & Rotating Assemblies Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Cylinder Works Standard Bore Cylinder Kits 422-30007K

Cylinder Kit, Forged Piston, Standard Bore, Kawasaki, 8.80 to 1 Compression Ratio, Front, Kit

Part Number: CLW-30007-K01

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits 422-30008K

Cylinder Kit, Forged Piston, Standard Bore, Kawasaki, 8.80 to 1 Compression Ratio, Rear, Kit

Part Number: CLW-30008-K01

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Cylinders 422-40001

Cylinder Kit, Aluminum, 90.00mm Bore, Arctic Cat, Kawasaki, Suzuki, Set

Part Number: CLW-40001

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits 422-40001K

Cylinder Kit, Forged Aluminum, Standard Bore, Arctic Cat, Kawasaki, Suzuki, Set

Part Number: CLW-40001-K01

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2005-2012 250 SX-F, 2007-2012 250 XC-F, 2006-2013 250 XCF-W - 422-51002K

Cylinder Kit, Forged Aluminum, 4.00mm Oversize Bore, KTM, Set

Part Number: CLW-51002-K01

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Power Valve Kits for 1999-2023 YZ250, 2022-2023 YZ250 MONSTER ENERGY YAMAHA RACING EDITION - 422-2002PV

Top End Engine Kits CYL WORKS BIG BORE POWER VALVE CYL WORKS BIG BORE POWER VALVE INCL SIDE VALVES YZ250 '99-1

Part Number: CLW-CW-PV-K02

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2004-2009 CRF250R, 2004-2017 CRF250X - 422-11001K

Big Bore Cylinder Kit, Forged Piston, 81mm Bore, for use on Honda®, Motorcycle, Kit

Part Number: CLW-11001-K01

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2004-2005 TRX450R - 422-11003K

Big Bore Cylinder Kit, Forged Piston, 97mm Bore, for use on Honda®, ATV, Kit

Part Number: CLW-11003-K01

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - 422-20001KHC

Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 13.00 to 1 Compression Ratio, Kit

Part Number: CLW-20001-K01HC

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2005-2013 WR250F, 2005-2007 YZ250F - 422-20002K2

Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K02

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2001-2013 WR250F, YZ250F - 422-21002K

Big Bore Cylinder Kit, Forged Piston, 80mm Bore, Yamaha, Motorcycle, Kit

Part Number: CLW-21002-K01

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2004-2007 CRF250R, 2004-2017 CRF250X - 422-10001KH

STD BORE KIT HI COMP

Part Number: CLW-10001-K01HC

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2002-2008 CRF450R - 422-10002KH

Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 12.50 to 1 Compression Ratio, Kit

Part Number: CLW-10002-K01HC

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2004-2005 TRX450R - 422-10003K

Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 10.50 to 1 Compression Ratio, Kit

Part Number: CLW-10003-K01

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10027-2K

Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20040-2K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-2K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40003-4K

Repair Kit, Top End, 66.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-4K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40011-2K

Repair Kit, Top End, 84.950mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-2K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50004-2K

Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50026K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2007 RM125 - NX-30002K

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30002K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2021 RM85, 2003-2012 RM85L - NX-30085-CK

Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2021 RM85, 2003-2012 RM85L - NX-30085K

Repair Kit, Top End, 47.940mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085K

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2002-2022 YZ250, 2022 YZ250 MONSTER ENERGY YAMAHA RACING EDITION, 2017-2022 YZ250X - NX-40025KA

Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025KA

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70000K

TOP END REPAIR KIT

Part Number: NTI-NX-70000K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today