Engines & Engine Parts at Summit Racing

Namura Technologies Top-End Repair Kits for 1992-1999 CR125R - NX-10000K

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

Part Number: NTI-NX-10000K

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits for 2012-2023 CRF150R, CRF150R EXPERT - 422-10004K2

STD BORE KIT

Part Number: CLW-10004-K02

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1988-2006 YFS200 BLASTER - NA-40002K

Repair Kit, Top End, 65.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50000K

Repair Kit, Top End, 71.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 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: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Cylinder Works Standard Bore Cylinder Kits CW20013K01HC

Standard Bore Cylinder Kit, CYLINDER KIT HC 77.00/STD 14.7:1 YAM

Part Number: CLW-CW20013K01HC

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 2001 YZ250 - CBK0079

BOTTOM END KIT Yamaha

Part Number: HRI-CBK0079

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2006-2007 OUTLAW 500, 2003-2007 PREDATOR 500 - NA-50005K

Repair Kit, Top End, 99.150mm Bore, 10.80 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50005K

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2003 300 2X4, 1998-2005 300 4X4 - NA-11001-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-11001-4K

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2004 TRX450FE FOURTRAX FOREMAN ES, TRX450FM FOURTRAX FOREMAN S - NA-10000-1K

Repair Kit, Top End, 90.210mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-1K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2013-2018 RMZ250 - 422-41004K2

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

Part Number: CLW-41004-K02

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

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

Estimated Ship Date: Today

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Estimated Ship Date: Today

Cylinder Works Standard Bore Cylinder Kits for 2001-2004 WR250F, YZ250F - 422-20002K

Top End Engine Kits STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20002-K01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8715-2-DLSTL

Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 271/287, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Kit

Part Number: SUM-8715-2-DLSTL

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Cylinder Works Standard Bore Cylinder Kits for 1999-2023 YZ250, 2022-2023 YZ250 MONSTER ENERGY YAMAHA RACING EDITION - 20009-K02

Standard Bore Cylinder Kit, CYLINDER KIT 66.40/STD YAM

Part Number: CLW-20009-K02

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Cylinder Works Big Bore Cylinder Kits for 2022-2024 CRF250R, CRF250RX - CW11011K02

Big Bore Cylinder Kit, CYLINDER KIT BB 82.00/+3.0 13.9:1 HON

Part Number: CLW-CW11011K02

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1995-1998 YZ250 - NX-40026KA

Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 1987-2006 YFZ350 BANSHEE - CBK0039

Rebuild Kit, Complete Bottom End, Yamaha, YFZ 350 Banshee, Kit

Part Number: HRI-CBK0039

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2003 RM125 - NX-30000-BK

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

Part Number: NTI-NX-30000-BK

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1987-1993 LT230E QUADRUNNER, 1985-1986 LT230GE, 1985-1988 LT230S QUADSPORT - NA-30000K

Repair Kit, Top End, 65.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000K

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2000 KX125 - NX-20000-BK

Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-BK

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2003 RM125 - NX-30004-CK

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-30004-CK

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0115

Rebuild Kit, Complete Bottom End, Yamaha, YFM700, YXR700F, Kit

Part Number: HRI-CBK0115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

ARP Oil Pan Bolt Kits 134-1801

ARP Oil Pan Bolt Kits 134-1801

Oil Pan Bolts, Fits Engines using 1-piece Rubber Oil Pan Gasket Only, 12-point, Steel, Black Oxide, Chevy, Small Block, Kit

Part Number: ARP-134-1801

4.84 out of 5 stars ( 19 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8725-1-BHV

SUM-8725 Level 1 Cam Kit, Beehive Springs, Stage 5 Pro LS Twin-Turbo Cam. 247/251 Dur., 117.5+5.5, .625/.605 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2

Part Number: SUM-8725-1-BHV

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today