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

Tuff Country Leveling Kits for 2000-2004 F-250 SUPER DUTY, F-350 SUPER DUTY - 22963KN

Tuff Country Leveling Kits for 2000-2004 F-250 SUPER DUTY, F-350 SUPER DUTY - 22963KN

Suspension Front Leveling Kit

Part Number: TFY-22963KN

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Tuff Country Leveling Kits for 2000-2004 F-250 SUPER DUTY, F-350 SUPER DUTY - 22964KN

Suspension Lift, Leaf Pack, Gas Shock, 2.5 in. Front, Ford, Kit

Part Number: TFY-22964KN

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Tuff Country Lift Kits for 2000-2005 EXCURSION - 22966KN

Lift Kit-Suspension w/Shock

Part Number: TFY-22966KN

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Tuff Country Lift Kits for 2000-2005 EXCURSION - 22960KN

Lift Kit-Suspension w/Shock

Part Number: TFY-22960KN

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Sachs Stock Replacement Clutch Kits for 2002-2004 FOCUS - K70463-01F

CLUTCH ZMS KIT XTEND PLUS CSC

Part Number: SXR-K70463-01F

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

ATS Diesel Performance 152-Tooth Flexplate 315-910-5104

Ford Cummins Conversion Flex Plate

Part Number: APF-3159105104

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters 645784

Catalytic Converters, Direct-Fit, Two Stock Flange Inlets, One Stock Flange Outlet, 55.00 in. Overall Length, Buick, Chevrolet, GMC, 5.3L, Each

Part Number: APH-645784

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2003-2004 C240, C320 - 643049

Catalytic Converters, Direct-Fit, Stock Flange Inlet, 2.00 in. Slip Fit Outlet, 59.00 in. Overall Length, Right, Mercedes-Benz, 2.6L, 3.2L, Each

Part Number: APH-643049

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

AP Exhaust Direct-Fit Catalytic Converters for 2003-2004 C240, C320 - 643050

Catalytic Converters, Direct-Fit, Stock Flange Inlet/Outlet, 65.50 in. Overall Length, Left, Mercedes-Benz, 2.6L, 3.2L, Each

Part Number: APH-643050

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Diamond Pistons Competition Series Pistons 30421-R1-8

Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings

Part Number: DPP-30421-R1-8

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Diamond Pistons Competition Series Pistons 30434-R1-8

Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings

Part Number: DPP-30434-R1-8

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Diamond Pistons Competition Series Pistons 30442-R1-8

Competition Series - 1200HP Rated - 2618 Material - Coated Skirts - Includes Pins and Gas Rings

Part Number: DPP-30442-R1-8

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Manley Platinum Series Pistons 561105C-8

Pistons, PIST-1.115 CD 3.785 COATED

Part Number: MAN-561105C-8

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

JE Pistons Sport Compact/European Pistons 242928

PISTONS SET OF 4

Part Number: JEP-242928-4

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 253054

Piston, Forged, Dish, 4-Valve Reliefs, 3.504 in. Bore, 3.780 in. Stroke, 1.299 in. Compression, Scion, Toyota, 4-Cylinder, Each

Part Number: JEP-253054

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Call to Order

JE Pistons Sport Compact/European Pistons 255773

Pistons, Forged, Flat Top, 4-Valve Reliefs, 3.287 in. Bore, 3.346 in. Stroke, 5.234 in. Rod, 1.205 in. Compression, Mazda, Set of 4

Part Number: JEP-255773

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

SRP Professional Series 4032 Alloy Forged Pistons 279525

Pistons, Forged, Dish, 2-Valve Reliefs, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, 1.110 in. Compression, Chevy, Set of 8

Part Number: JEP-279525

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

SRP Professional Series 4032 Alloy Forged Pistons 279590

Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.005 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, 1.300 in. Compression, Chevy, Set of 8

Part Number: JEP-279590

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 226378

Pistons, Forged, Dish, 4-Valve Reliefs, 3.642 in. Bore, 1.287 in, Compression, Subaru, 4-Cylinder, Set of 4

Part Number: JEP-226378

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Call to Order

JE Pistons Sport Compact/European Pistons 295742

AUDI 1.8T 8.5:1 KIT

Part Number: JEP-295742-4

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 295745

AUDI 1.8T 9.25:1 KIT

Part Number: JEP-295745-4

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 296901

CHRY SRT4 2.4L KIT

Part Number: JEP-296901-4

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 296902

CHRY SRT4 2.4L KIT

Part Number: JEP-296902-4

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 302021

VW 1.8T 20V KIT 81.0

Part Number: JEP-302021-4

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

SRP Professional Series 4032 Alloy Forged Pistons 298616

Pistons, Forged, Flat Top, 2-Valve Reliefs, 4.070 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, 1.330 in. Compression, Chevy, Set of 8

Part Number: JEP-298616

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

2003 Parts and Accessories