2003 Engines & Components

Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.8 Ratio, Chevy, 4.8/5.3/5.7/6.0/7.0L, Set of 16

Part Number: SUM-G6981

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17365FC-40

5.0 out of 5 stars ( 2 )

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Valve Covers, Cast Aluminum, Gloss Black, Chevrolet Logo, Chevy, Small Block, LS, Pair

Part Number: PRO-141-268

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Piston Rings, Premium Ductile Ring Sets, 0.060 in. Oversize, 4.310 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5515060

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Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Natural Finish, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-110

4.8 out of 5 stars ( 15 )

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Camshaft, '03-07 5.7 Dodge RAM replaces 53022064aa and 63021730ba, Non-MDS, Non-VVT, 244/253 Advertised Duration, 0.477/0.465 Lift Dodge, Each

Part Number: SUM-5700

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Camshaft Kit, Pro LS Single Plane, Hydraulic Roller Tappet, Advertised Duration 289/300, Lift .525/.525, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8700-1

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Oil Pump, High-Volume, High-Pressure, Ford, Lincoln, Mercury, Each

Part Number: MEL-10176HV

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Camshaft, Junkyard Dog, Hydraulic Roller, 293/309 Advertised Duration, 0.621/0.604 Lift, GM LS, Each

Part Number: CXM-03-01-0082

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Spacer and Adapters, LS Valve Cover, Adapter, Perimeter Bolt, Cast Aluminum, 1.385 in. Thick, Natural, Chevy, LS, 4.8-7.0L, Kit

Part Number: HLY-241-298

4.5 out of 5 stars ( 2 )

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Camshaft, Hydraulic Roller Tappet, Advertised Duration 269/277, Lift .607/.614, Chevy, Small Block, LS

Part Number: CCA-54-456-11

5.0 out of 5 stars ( 2 )

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Harmonic Balancer, Internal Balance, Steel, Black, Saab, Subaru, 2.0, 2.2, 2.5L, H-4, Each

Part Number: FLU-531101

5.0 out of 5 stars ( 4 )

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Cylinder Head Studs, Extreme Duty, 12-Point Heads, Ford, 6.0L Diesel, Kit

Part Number: SUM-910514

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Valve Springs, RPM Series, Beehive, Single, 1.307 in. O.D., 340 lbs/in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: RSC-PAC-1219X-16

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Stage 5.5 Pro LS Twin-Turbo Cam. 251/255 Dur., 117 + 6, .625/.615 Lift, 3-bolt, 5.3, 5.7, 6.0, 6.2, 7.0, Vortec Truck, LS1 LS2 LS6 LS3 LQ4 LQ9, Each

Part Number: SUM-8726R1

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Harmonic Balancer, Internal Balance, Steel, Black Zinc Chromate, SFI 18.1, Mazda, Each

Part Number: FLU-521001

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Valve Covers, Slant Edge, Tall, Centerbolt, Cast Aluminum, Black Crinkle, LSX Top Style, Chevrolet, Small Block LS, Pair

Part Number: PRO-141-256

5.0 out of 5 stars ( 2 )

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Cam and Lifter kit, Stage 2 Pro LS Cam, Pro LS Turbo Cam. 226/230 Dur., .600/.575 Lift, 113+4 Lobe Sep. , 5.3, 5.7, 6.0, 6.2, LS1,2,6,3,LSX, Each

Part Number: SUM-K8706R1

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.8 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP1016

5.0 out of 5 stars ( 2 )

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Oil Filter Relocation Kit, Single Filter, 36 in. Length Hoses, Chevy, 4.8/5.3/5.7/6.0L, Kit

Part Number: MIL-21575

2.0 out of 5 stars ( 3 )

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Camshaft, Hydraulic Roller, Advertised Duration 286/282, Lift .575/.575, Lobe Sep. 112, GM LS, Each

Part Number: TFS-30602002

5.0 out of 5 stars ( 1 )

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Alternator and Power Steering Bracket Kit, Upper and Lower Brackets, Right Side High Mount, Water Pump Mount, Aluminum, Natural, Chevrolet, LS, Kit

Part Number: ICB-551396LS0WP3

5.0 out of 5 stars ( 1 )

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Harmonic Balancer, Internal Balance, Steel, Black, Toyota, 2JZ, Each

Part Number: FLU-840821

5.0 out of 5 stars ( 1 )

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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

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Oil Pans, Gen III Hemi, Retrofit, Non-VVT, Wet Sump, Rear, 1-piece Main Seal, 6.2 Quart, Dipstick Passenger Side, Aluminum, Natural, Hardware, Each

Part Number: HLY-302-75

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