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

Edelbrock Universal Water Pump Pulleys 8898

Edelbrock Universal Water Pump Pulleys 8898

Water Pump Pulley, Serpentine, Billet Aluminum, Black, For Use On EDL-8896, Chevy, LS1, LS6, Each

Part Number: EDL-8898

3.4 out of 5 stars ( 5 )

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Summit Racing™ LS Cylinder Head Dowel Pins SUM-910233

Cylinder Head Dowel Pin, Solid, Chevy GM, LS/LSX, Gen III/IV For use with standard or 1/2 in. head studs. Set of 4

Part Number: SUM-910233

Not Yet Reviewed

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Scorpion Race Series Rocker Arms SCP1015

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.75 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP1015

5.0 out of 5 stars ( 3 )

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ICT Billet Valve Cover Spacers 551641-5

Valve Cover Spacers and Adapters, Centerbolt Mounting, 0.500 in. Thickness, Billet Aluminum, Natural, Chevy, Small Block LS, Pair

Part Number: ICB-551641-5

4.4 out of 5 stars ( 10 )

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Melling Oil Pump Screen Assemblies 324S

Oil Pickup, Bolt-In, Stock Pan Style, 0.750 in. Tube Dia., Cadillac, Chevy, GMC, Hummer, 4.8, 5.3, 6.0L, Each

Part Number: MEL-324S

4.75 out of 5 stars ( 4 )

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ICT Billet Alternator Brackets 551177LS0-1

Alternator Brackets, Right Side Lower Mount, Engine Block Front Mount, Aluminum, Natural, Electric Pump Style, Serpentine, Chevrolet, LS, Kit

Part Number: ICB-551177LS0-1

1.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8718-1

Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 258/270, Lift .500/.500, Chevy, LS, Each

Part Number: SUM-8718-1

4.5 out of 5 stars ( 4 )

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ARP Pro Series Cylinder Head Studs 157-4301

Cylinder Head Studs, 12-point, Steel, Black Oxide, Washers, Rover, Kit

Part Number: ARP-157-4301

4.86 out of 5 stars ( 7 )

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Mahle Original Premium Piston Ring Sets 41859CP.020

Piston Rings, Plasma-moly, 3.799 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP020

5.0 out of 5 stars ( 2 )

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ARP Main Stud Kits 140-5401

Main Studs, 2-Bolt Main, Mopar, Small, Big Block, B, LA, RB, Kit

Part Number: ARP-140-5401

4.33 out of 5 stars ( 3 )

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Harland Sharp Original Roller Rockers S40196

Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.6 Ratio, 5/16 in. Stud, Jeep, 4.0L, Set of 12

Part Number: CSP-S40196

4.5 out of 5 stars ( 16 )

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D.S.S. E Series Forged Pistons 8710-4030

Pistons, Forged, Flat, 4.030 in. Bore, 383 Chevy, Set of 8

Part Number: DMS-8710-4030

5.0 out of 5 stars ( 2 )

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Cloyes Heavy-Duty Timing Sets C-3210

Timing Chain and Gear Set, Heavy Duty, Single Non-Roller, Iron/Billet Steel Sprockets, Chevy, Small Block, Set

Part Number: CLO-C3210

4.33 out of 5 stars ( 3 )

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ACL Performance Race Series Rod Bearing Sets 8B663H-010

Rod Bearings, Race Series, Tri-Metal, .010 in., .25mm Crankshaft Undersize, Chevrolet, Small Block, LS, Set of 8

Part Number: PEB-8B663H-010

Not Yet Reviewed

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Moroso Billet Aluminum Spur Gear Oil Pumps 22188

Oil Pump, High-Volume, high-Pressure, Wet Sump, Pickup Included, Chevy, Big Block, Mark IV, Kit

Part Number: MOR-22188

Not Yet Reviewed

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PRW High Performance Sportsman Harmonic Dampers 2324240

Harmonic Balancer, Sportsman, Internal Balance, Black, Jeep, L6, Each

Part Number: PQX-2324240

4.67 out of 5 stars ( 6 )

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Melling Freeze Plugs MPE-613BR

Freeze Plugs, Steel, Dodge, Plymouth, Chrysler, Kit

Part Number: MEL-MPE-613BR

4.5 out of 5 stars ( 8 )

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Silv-O-Lite Hypereutectic Pistons 3517HC.75MM

Pistons, Hypereutectic, Flat, 102.35mm Bore, 1.5mm, 1.5mm, 3.0mm Ring Grooves, Chevy, V8, Set of 8

Part Number: UEM-3517HC-75MM

3.75 out of 5 stars ( 4 )

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ACDelco GM Genuine Parts Engine Valve Springs 12706568

Engine Valve Spring, Standard, Replacement, Single, Buick, Cadillac, Chevrolet, GMC, Isuzu, Pontiac, Saab, LS Engine, Each

Part Number: ADO-12706568

5.0 out of 5 stars ( 1 )

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RT Off-Road Valve Covers for 1993-2004 WRANGLER, GRAND CHEROKEE, 1993-2001 CHEROKEE - RT35002

Valve Cover, Perimeter Bolt Mounting, Stock Height, Cast Aluminum, Red, 4.0L Top Style, Jeep, 4.0L, Each

Part Number: RTO-RT35002

3.0 out of 5 stars ( 13 )

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ARP Pro Series Cylinder Head Studs 234-4313

Cylinder Head Fasteners, 12-point Style, Stud, Mixed Length Lower, Early LS Style, ARP 2000 Material, 220,000 psi, Black Oxide Finish, Kit

Part Number: ARP-234-4313

5.0 out of 5 stars ( 1 )

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VEGE Remanufactured Cylinder Heads 2CH4

Cylinder Heads, Remanufactured, Assembled, Cast Iron, Natural, AM General, Cadillac, Chevy, GMC, Isuzu, Workhorse Custom Chassis, 5.7L, Each

Part Number: VRE-2CH4

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

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Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Vortec Cast Iron Cylinder Heads SUM-151124

4.5 out of 5 stars ( 74 )

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BTR V2 Series Camshafts BTR-LS1STAGE4

Camshaft, V2, Stage 4, Hydraulic Roller, 233/24X Duration at 0.050 in., 0.636 in. Lift, 111 LSA, 3-Bolt, Chevy, LS, Each

Part Number: BTC-BTRLS1STAGE4

Not Yet Reviewed

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Cloyes Timing Chain Kits for 2003-2004 MUSTANG, MARAUDER, 2003-2005 AVIATOR - 9-0387SF

Timing Chain and Gears, Single Non-roller, Steel Sprockets, Tensioners, Tensioner Arms, Lincoln, 4.6L DOHC, Kit

Part Number: CLO-9-0387SF

3.0 out of 5 stars ( 2 )

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ACDelco GM Genuine Parts Oil Pump Pickups for 1997-2013 CORVETTE - 12624497

Oil Pump Pickup, Engine Oil Pump Pickup Tube and Screen, Screen ASM Oil Pump Pickup with Suction Tube, 5.7L/6.2L, Each

Part Number: ADO-12624497

Not Yet Reviewed

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