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

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L00012

Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00012

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Fel-Pro Headbolt Kits ES 71328

Cylinder Head Bolts, Hex Head, Steel, Natural, Ford, Lincoln, 4.6L Modular, 5.4L Modular, Kit

Part Number: FEL-ES71328

4.75 out of 5 stars ( 4 )

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Melling Oil Pumps M342HV

Melling Oil Pumps M342HV

Oil Pump, Wet Sump Style, High-volume, Standard-pressure, Chrysler, Dodge, Jeep, Each

Part Number: MEL-M342HV

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Cloyes Heavy-Duty Timing Sets C-3220

Timing Chain Kit, Single Roller Style, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Kit

Part Number: CLO-C3220

4.1 out of 5 stars ( 10 )

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COMP Cams Max-Lift BSR Shaft Rocker Systems 1981-16

Rocker Arms, Shaft Mount, Steel, 1.7 Ratio, Chevy, LS, Kit

Part Number: CCA-1981-16

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Moroso Street/Strip Oil Pans for 1996-2003 MUSTANG - 20546

Oil Pan, Steel, Black Powdercoated, 7 qt., Ford, 4.6L, Each

Part Number: MOR-20546

3.67 out of 5 stars ( 3 )

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ACDelco GM Genuine Parts Idler Pulleys 12669569

Idler Pulleys, GM OE, Serpentine, Steel, Black, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: ADO-12669569

5.0 out of 5 stars ( 3 )

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Moroso Drag Race Pans 21172

Oil Pan, Road Race, Aluminum, Natural, 6 Quart Capacity, 4.875 in. Deep, Chevy, LS, Each

Part Number: MOR-21172

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ARP Main Stud Kits 140-5402

Main Studs, 2-Bolt Main, 12-Point Nuts, Mopar, Small, Big Block, B, RB, LA, Kit

Part Number: ARP-140-5402

4.75 out of 5 stars ( 8 )

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King XP-Series Coated Rod Bearings CR 807XPNC STDX

Rod Bearings, XPC-Series, Extra Clearance, Tri Metal, Chevy, Small Block, LS, V8, Set of 8.

Part Number: KGB-R807XPNCSTDX

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ACDelco Gold Oil Filters 12737094

Oil Filter, Canister, AMC, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Isuzu, Jeep, Saab, Each

Part Number: ADO-PF46E

4.73 out of 5 stars ( 11 )

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Milodon Small Chevy High/Standard Volume Oil Pumps 18750

Oil Pump, High-Volume, Chevy, Small Block, Each

Part Number: MIL-18750

4.0 out of 5 stars ( 15 )

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Sealed Power Plasma-Moly Piston Ring Sets E-921K 30

Piston Rings, Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K30

5.0 out of 5 stars ( 3 )

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Melling Oil Pump and Pickup Kits M167HVS

Oil Pump and Pickup Assembly, High-Volume, AMC, Inline 6-Cylinder, Kit

Part Number: MEL-M167HVS

5.0 out of 5 stars ( 1 )

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Holley Harmonic Balancers 97-205

Harmonic Balancers, LS Engine, Internal Balance, Steel, Black, 7.50 in. OD, 1.48 in. ID, with Mid-Mount Accessory Drive Only, GM, 5.7-6.2L, Each

Part Number: HLY-97-205

3.0 out of 5 stars ( 1 )

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Fluidampr Harmonic Dampers 720211

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

Part Number: FLU-720211

5.0 out of 5 stars ( 1 )

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Sealed Power Plasma-Moly Piston Ring Sets E-921K 20

Piston Rings, Moly, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-921K20

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Dorman Automatic Belt Tensioners 419-201

Automatic Belt Tensioner, Smooth Pulley, Ford, Mazda, Mercury, Each

Part Number: RNB-419-201

4.43 out of 5 stars ( 7 )

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Clevite Camshaft Bearings SH-1349S

Cam Bearings, AL-3, Chevy, Small Block, V8, Kit

Part Number: CLE-SH1349S

4.5 out of 5 stars ( 4 )

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Holley LS Pontiac-Style Valve Covers 241-192

Valve Covers, LS Pontiac, Cast Aluminum, Perimeter Bolt, Plain, Cast Aluminum, Black Satin, Two-Piece, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-192

5.0 out of 5 stars ( 1 )

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ICT Billet Valve Cover Adapters 551535

Valve Cover Spacers and Adapters, Perimeter Bolt Mounting, 0.480 in. Thickness, Billet Aluminum, Natural, Chevy, Small Block LS, Pair

Part Number: ICB-551535

1.5 out of 5 stars ( 2 )

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Trick Flow® Cast Aluminum Valve Cover Kits for Ford 4.6L/5.4L 2V TFS-5180B802

Valve Covers, Stock Height, Windsor Engines, 13-/14-Bolt, Aluminum, Natural, Ford 4.6L/5.4L 2V, Pair

Part Number: TFS-5180B802

5.0 out of 5 stars ( 3 )

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BTR Delphi Gen V Hydraulic Roller Lifter Sets X17120735-16

LIFTERS

Part Number: BTC-X17120735-16

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Melling Pushrods MPR-615

Pushrod, Steel, 5/16 in. Diameter, 7.192 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-615

5.0 out of 5 stars ( 2 )

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VEGE Remanufactured Long Block Crate Engines for 1999-2004 GRAND CHEROKEE, 2000-2006 WRANGLER - VA33

Crate Engine, Remanufactured Long Block, Assembled, AMC, 4.0L, Each

Part Number: VRE-VA33

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Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today