2003 Engines & Components

Oil Filter, Canister, 13/16-16 in. Thread, 5.120 in. High, Each

Part Number: SUM-127004

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

Harmonic Balancer, Underdrive, Internal Balance, Aluminum/Steel, Black, Chevy, 5.7L, Each

Part Number: ATI-917278

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Main Bearings, H Series, .010 in. Crankshaft Undersize, Tri Metal, Chevy, LS, Set of 5

Part Number: CLE-MS2199H10

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Oil Pump, Standard-Volume, Mopar, Small Block/3.9L V6, Each

Part Number: MEL-M72

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Oil Filter, Spin-on, 45 Microns, 13/16-16 in., 3/4-16 in., 3.75 in. O.D., 5.75 in. High, Each

Part Number: SOF-209-561B

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Pro LS 2618 Forged Piston, 3.898 bore, 1.299 C.H., 7cc dish, Std. Stroke, 6.125 Full-floating Rod, NA/Boost/Nitrous, Coated, 5.7L LS1 LS6, Set of 8

Part Number: SUM-2999273898-7

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Rocker Arms, Off-Road Series, Full Roller, 1.7 Ratio, Non-Adjustable, Aluminum, 5/16 in. Pedestal, Jeep, L6, Set of 12

Part Number: SCC-0502

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Oil Filters, Pacific Performance, MicroPure Extreme-Performance, Canister Style, 13/16 in.-16 Thread, Chevy, GMC, HD, Truck, 6.6L, Duramax, Each

Part Number: PPE-114000555

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Twisted Wedge Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit

Part Number: TFS-2500500

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Piston Rings, Plasma-moly, 3.780 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 12mm, Dodge, 5.9L, 6.7L, Cummins Diesel, Kit

Part Number: GFN-HSK5967C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Valve Covers, Centerbolt Mounting, Cast Aluminum, Polished, Chevy GM, LS/LSX, Gen III/IV, Pair

Part Number: SUM-440343P

3.5 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Rod Bearing, H Series, Standard Size, TM-77, Chevrolet, 265, 283, 302, 327, Each

Part Number: CLE-CB745HN

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Mar 30, 2026 if ordered today

Oil Pump Pickup Retainer Bracket, With Bolt, Chevy LS, Each

Part Number: MEL-M29500

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

Oil Galley Plug, Aluminum, Chevy, LS, Each

Part Number: MOR-25030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Rocker Arm Studs, Chromoly, 7/16 in.-14 Base Thread, 3/8 in.-24 Top Thread, 2.700 in. Overall Length, Set 16

Part Number: EDL-8599

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

Valve Cover Set, LS Race, Lightweight Die Cast Aluminum, With Coil Mounts, Black Powdercoat, Pair

Part Number: SUM-440821

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Accessory Drive Bracket Spacer Kits, Aluminum, Natural Finish, Long Alignment, Chevy, Small Block LS, Each

Part Number: HLY-21-3

4.43 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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Main Bearings, AL Series, Standard Size, LS, Set of 5

Part Number: CLE-MS2199A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Engine Timing Cover, 1-Piece, Aluminum, Natural, Buick, Cadillac, Chevrolet, GMC, LS V8, Each

Part Number: RNB-635-522

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Camshaft, BTR, LS, Truck Torque, Hydraulic Roller, 202 int./202 exh. Duration, 0.511 int./0.511 exh. Lift, 111+1 LSA, 3-Bolt, Each

Part Number: BTC-30202111R1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Stage 4 Pro LS Truck Swap Cam, 226/230 112+4, .550 /.550 Lift, 3-bolt, Chevy, LS, Each

Part Number: SUM-8714R1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Oil Filter Relocation Kit, Single Filter, 3/4-16 in. Filter Threads, 3/4-16 in. Engine Threads, Kit

Part Number: DER-15715

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

Pistons, Hypereutectic, Dish, 3.875 in. Bore, Jeep, L6, Set of 6

Part Number: SLP-H802CP

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Timing Chain Dampener, Plastic, Black, Chevy, LS, Each

Part Number: BTC-BTR88670

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow