2003 HONDA Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Namura Technologies Top-End Repair Kits NA-10027-1K

Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10027-4K

TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

All Balls Racing Countershaft Seal Kits for 1986-2003 CR125R - 25-4010

Countershaft seal kit

Part Number: ALB-25-4010

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

All Balls Racing Crankshaft Bearings and Seal Kits for 2003-2005 CRF150F, 2003-2019 CRF230F - 22-41056

BEARING/SEAL KIT CRANK

Part Number: ALB-24-1056

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 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: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Boyesen Factory Racing Ignition Covers for 1988-2007 CR125R - 59-7403M

Ignition Cover, Motorcycle, Aluminum, Magnesium Powdercoated, for use on Honda®, Set

Part Number: BOE-SC-01AM

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Boyesen Factory Racing Ignition Covers for 2002-2007 CR250R - 59-7402AM

Ignition Cover, Motorcycle, Aluminum, Magnesium Powdercoated, for use on Honda®, Set

Part Number: BOE-SC-02AM

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

BBR Motorsports High Performance Valve Springs for 2003-2005 CRF150F, 2003-2017 CRF230F - 411-HCF-1504

HD VALVE SPRINGS

Part Number: BRM-411-HCF-1504

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Hot Rods Crankshafts 421-4409

Crankshaft CRANKSHAFT CRANKSHAFT

Part Number: HRI-4409

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0186

Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0186

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Crankshaft Bearing and Seal Kits for 1999-2008 TRX400EX SPORTRAX - K014

Crankshaft Bearings, Roller Type, Seals, Kit

Part Number: HRI-K014

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Crankshaft Bearing and Seal Kits for 2002-2005 CRF450R - K019

Crankshaft Bearings, Roller Type, Seals, Kit

Part Number: HRI-K019

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Crankshaft Bearing and Seal Kits K077

MAIN BEARING/SEAL KIT

Part Number: HRI-K077

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Output Shaft Kits OSK0048

COUNTERSHAFT SEAL KIT

Part Number: HRI-OSK0048

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Connecting Rods for 1988-2007 CR125R - 421-8101

Connecting Rod Kit, Powersports, Forged Steel, Connecting Rod, Bearings, Thrust Washer, Kit

Part Number: HRI-8101

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Hot Rods Connecting Rods for 2002-2007 CR250R - 421-8608

Connecting Rod Kit, Powersports, Forged Steel, Connecting Rod, Bearings, Thrust Washer, Kit

Part Number: HRI-8608

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748120

ProX Valve Shim 7.48 x 1.20 mm. (5 pcs.)

Part Number: PXR-29-748120

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748122.5

ProX Valve Shim 7.48 x 1.225 mm. (5 pcs.)

Part Number: PXR-29-748122-5

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748127.5

ProX Valve Shim 7.48 x 1.275 mm. (5 pcs.)

Part Number: PXR-29-748127-5

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748130

ProX Valve Shim 7.48 x 1.30 mm. (5 pcs.)

Part Number: PXR-29-748130

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748132.5

ProX Valve Shim 7.48 x 1.325 mm. (5 pcs.)

Part Number: PXR-29-748132-5

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748135

ProX Valve Shim 7.48 x 1.35 mm. (5 pcs.)

Part Number: PXR-29-748135

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748137.5

ProX Valve Shim 7.48 x 1.375 mm. (5 pcs.)

Part Number: PXR-29-748137-5

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748142.5

ProX Valve Shim 7.48 x 1.425 mm. (5 pcs.)

Part Number: PXR-29-748142-5

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Pro-X Racing Parts Valve Shims 29.748157.5

ProX Valve Shim 7.48 x 1.575 mm. (5 pcs.)

Part Number: PXR-29-748157-5

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today