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

D.S.S. FX-Series Forged Piston and Ring Kits K2-2902-3903

D.S.S. FX-Series Forged Piston and Ring Kits K2-2902-3903

Pistons, Rings, FX-Series, Forged, 6.00cc Dome, 3.903 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K2-2902-3903

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

Aldan American Road Comp Coilover Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - 300190

Coil-Over Kit, Single Adjustable, 700 lbs./in. Spring Rate, 0-2 in. Lowered, Front, Chevy, GMC, Pair

Part Number: AAX-300190

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Vance & Hines Bigshot Staggered Exhaust Systems 17911

Exhaust System, Bigshot, Full, Steel, Chrome, Round Slant Outlet, Harley-Davidson®, Each

Part Number: VAH-17911

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

Holley EFI LS Hi-Ram Intake Manifold Bases 300-227BK

Intake Manifolds, EFI, LS, Hi-Ram, Base Only, Cathedral Port, Multi-port, Standard Deck, Aluminum, Black Finish, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-300-227BK

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

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-2303-4030

Piston Set, 383 SBC K1-FX Series -16cc Dish Top Piston Set. 4.030 bore

Part Number: DMS-K1-2303-4030

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

D.S.S. FX-Series Forged 4032 Alloy Piston and Ring Kits K1-4816-3552

Piston Set, 4.6 Modular K1-FX Series -18cc 2V PI/TW Dish Piston Set. 3.552 bore

Part Number: DMS-K1-4816-3552

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

D.S.S. FX-Series Forged Piston and Ring Kits K1-2861-3898

Pistons, Rings, FX-Series, Forged 4032, 10.00cc Dish, 3.898 in. Bore, Chevy LS, Set of 8

Part Number: DMS-K1-2861-3898

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

South Bend Clutch Stock Replacement Clutch Kits K04202-HD

Clutch Kit, Stock Replacement, Organic, Throw-out Bearing, Alignment Tool, Hardware, Chevrolet, Kit

Part Number: SBB-K04202-HD

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

Harwood Fiberglass Show Series Bolt-On Hoods for 1999-2002 SILVERADO 1500, 2000-2006 SUBURBAN 1500, 1999-2006 TAHOE - HWHD-48101B

Hood, 3 in. Cowl, Bolt-On, Fiberglass, Black Gelcoat, Chevy, Truck/SUV, Each

Part Number: HRD-B-48101

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

QA1 Pro Coilover Systems GD401-08750C

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: QA1-GD401-08750C

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

Mahle PowerPak Piston and Ring Kits 930219405

Piston and Ring Kit, PowerPak, 3.905 in. Bore, 3.622 in. Stroke, Dish, with Two Valve Reliefs, Forged Aluminum, Chevy, Small Block, Kit

Part Number: MLE-930219405

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

COMP Cams Sportsman Solid Roller Lifters 96043-16

Lifter, Sportsman, Mechanical Roller, Vertical Link, 0.904 in. Diameter, w/ Bearing, Seat Height 1.930 in., 273-360, Chrysler, Set of 16

Part Number: CCA-96043-16

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

LS Classic Series Classic Air Cleaner Kits GMLS3007

Air cleaner kit, 14" Classic style,Fits GM LS 4-bolt 92MM throttle body,Includes 4150 carburetor adapter, Chrome finish

Part Number: LSS-GMLS3007

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Fluidampr Harmonic Dampers 870211

Harmonic Balancer, External Balance, Steel, Black, Ford, Powerstroke Diesel, Each

Part Number: FLU-870211

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

CSF Radiator - Radiators for 2003-2010 CAYENNE, 2007-2015 Q7, 2004-2010 TOUAREG - 7227

Radiator, Porsche Cayenne 955/957

Part Number: CSF-7227

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hays Twister 3/4 Race 3,200-3,600 Stall Torque Converter 97-1H32Q

Hays Twister 3/4 Race Torque Converter 1998- UP GM, 4L60E/4L65E, 3200-3600 RPM stall

Part Number: HAY-97-1H32Q

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

FiTech Ultimate Rebel LS Cathedral Intake Manifolds with Fuel Rails 70070DBWBB

Intake Manifold, Rebel LS, Short Height, Cathedral Port, Aluminum, Black, Chevy, Kit

Part Number: FIF-70070DBWBB

Not Yet Reviewed

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

MagnaFlow Street Series Performance Exhaust Systems for 2003-2008 MATRIX, VIBE - 15759

Exhaust System, Cat-Back, 409 Stainless Steel, Resonator, Polished Tip, Pontiac, Toyota, 1.8L, Kit

Part Number: MPE-15759

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

SPC Performance Control Arms 35480

Alignment Caster/Camber Adjustable Upper Control Arm 4TH & 5TH GEN. 4RUNNER, FJ CRUISER & GX (PAIR)

Part Number: SPS-35480

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Baer Brakes EradiSpeed+ Brake Rotors for 1997-2013 CORVETTE, 2004-2009 XLR - 2301011

Brake Rotor, EradiSpeed-Plus, Cross-Drilled, Slotted, Iron, Zinc Plated, Front, Cadillac, Chevy, Pair

Part Number: BAE-2301011

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

RaceTec AutoTec Forged Pistons 1000264

Pistons, Forged, 4.500 in. Bore, 4.250 in. Stroke, Flat Top, 6.385 in. Rod Length, 0.990 in. Pin Diameter, BBC, Chevy, Set of 8

Part Number: PIS-1000264

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

Skyjacker Long Travel Lift Kit Systems with Nitro 8000 Shocks for 1997-2006 WRANGLER - TJ401BPNLT

Suspension Lift Kit, 4 in. Lift, Coil Springs, Nitro 8000 Shocks, Jeep, TJ, Kit

Part Number: SJA-TJ401BPNLT

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Summit Racing™ Pro SBC LS Firing Order Hydraulic Roller Cam and Lifter Kits SUM-K1225

Cam and Lifter kit, Pro SBC Retrofit Stage 5 Hyd. Roller LS Firing Order, 242/251 Dur., 110 LSA + 4 Adv, .550/.550 1.5 Ratio, 2600-6600 RPM Range

Part Number: SUM-K1225

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

South Bend Clutch Stage 4 X-Series Clutch Kits for 2003-2006 350Z, 2003-2007 G35 - NSK1000-SS-X

Clutch Kit, Stage 4 X-Series, Single, 1.000 in. - 24-spline, Ceramic Disc, Pressure Plate, for Infiniti, for Nissan, 3.5L, Kit

Part Number: SBB-NSK1000-SS-X

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

Mahle LSX Combo PowerPak Piston and Ring Kits 930227230

Piston and Ring Kit, Forged, Flat Top, 4.030 in. Bore, Chevy, LS, Kit

Part Number: MLE-930227230

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

2003 Parts and Accessories