2003 Engines & Components

Adapter, Oil Filter Bypass, Sandwich, Aluminum, Black Anodized, 3/4-16 in. Thread, 3/8 in. Inlet/Outlet, Each

Part Number: EAR-510ERL

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Rocker Arm Trunnion Upgrade Kit, Needle Bearing, GM, LS1/LS3/LS7, Set of 16

Part Number: TFS-30700500

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Pistons, Hypereutectic, Dish, 4.020 in. Bore, Cadillac, Chevy, GMC, Set of 8

Part Number: SLP-H857CP50MM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Rod Bearings, XP-Series Coated, Copper/Lead/Alloy, 0.001 in. Under Size , Chevy, Big Block, Set of 8

Part Number: KGB-CR808XPNC001

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Valve Covers, Tall Height, Cast Aluminum, 72mm. Coil Mounting, Black, Chevy, LS, Pair

Part Number: FIF-131201

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Timing Set, Single Roller Chain, Billet Steel Sprockets, Chain Damper, Chevy, Small Block LS, Set

Part Number: CLO-9-3673TX3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Head Studs, Nissan KA24DE 2.4L, DOHC, 4cyl Head Stud Kit

Part Number: ARP-202-4304

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Valve Cover, Valve Cover with Integral Angled Coil Mounts, Valve Cover with Integral Angled Coil Mounts, Tall, Rd Wrinkle Finish,Pair

Part Number: GRN-640363

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Main Studs, 4-Bolt Main, Iron Dart Next, GM LS, Kit

Part Number: ARP-134-5901

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Water Pump Pulley, Smooth Style, Aluminum, Black, 83mm Deep, Fits Water Pump Part Number PQX-1434601, Chevrolet, Small Block LS, Each

Part Number: PQX-2634600

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Timing Chain and Gear Set, Adjustable, Billet Steel, Single Roller, 3-Bolt, 4X, -0.005 in. Line Hone, LS, Kit

Part Number: SUM-G6647-4X-005

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Alternator Bracket, Upper/Lower Bracket, Billet Aluminum, Natural, Engine Block Mount, Driver Side Lower Mount, Short Pump, Chevy, LS, Kit

Part Number: ICB-551668-2

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Rod Bearings, Narrowed, Tri Metal Copper-lead Nickel, 0.010 in. Crankshaft Undersize, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN010X

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Oil Pump, Wet Sump Style, High-volume, Windage Shield, Pickup, Chevy, Big Block, Kit

Part Number: MOR-22187

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Valve Covers, Center Bolt, Tall, Plain, Fabricated Aluminum, Polished, with Gaskets and Mounting Hardware, Chevy, LS, Pair

Part Number: TSN-JM8082-1P

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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• $10.00 Summit Bucks

Valve Cover Spacers and Adapters, Centerbolt Mounting, 0.375 in. Thickness, Billet Aluminum, Natural, Chevy, Small Block LS, Pair

Part Number: ICB-551641-3

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Nov 14, 2025 if ordered today

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Adapter, Crankshaft Pulley, Chevy, 5.7, 6.0L, Each

Part Number: MCH-358-04

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Main Cap Fasteners, Main Cap Girdle Stud Kits, 6-bolt, Stud Style, 12-Point Head, Nuts, Chevy LS, Kit

Part Number: PQX-1000098

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Adapter, Oil Cooler, Right Angle, Billet Aluminum, Black Anodized, -8 AN O-Ring Thread, Chevy, LS, Each

Part Number: IRP-EGM-106

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Main Bearings, P Series, Full Groove, Standard Size, Tri Metal, Chrysler, Dodge, Plymouth, 360, Set of 5

Part Number: CLE-MS1266P

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Oil Pump, High Pressure, Standard Volume, Chevy, Small Block, Each

Part Number: MIL-18756

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

Pistons, Hypereutectic, Dish, 4.000 in. Bore, Dodge, Set of 8

Part Number: SLP-H655CP

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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

Part Number: UEM-3517HC-75MM

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Water Pump Pulley, Serpentine, 6-Groove, Aluminum, Clear Powdercoated, Chevy, Small Block, Big Block, Long Pump, Each

Part Number: MCH-6312

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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