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: Tomorrow

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Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainer, 0.060 in. Thick, 377 lbs./in., Bronze Valve Guides, Kit

Part Number: BTC-SK001T6560BB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Supercharger Performance, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, V8, Each

Part Number: PBB-PBO81190SC10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Oil Cooler Adapter, Right Angle, -10 AN Inlet, -10 AN Outlet, Billet Aluminum, Black Anodized, 212 Degree Thermostat, Hardware, Each

Part Number: EAR-LS0013ERL

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Accessory Brackets, Alternator Bracket, Power Steering Pump Bracket, Aluminum, Natural, Chevy, LS, Kit

Part Number: ICB-551396LS0-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Alternator Brackets, Lower Bracket Only, Right Side Lower Mount, Engine Block Front Mount, Aluminum, Natural, Serpentine, Chevrolet, LS, Kit

Part Number: ICB-551177LS0-2

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Camshaft, BTR, Centrifugal Supercharged Stage 2, 217 int. Duration, 0.619 in./0.617 in. Lift, 113, 3-Bolt, 4.8L, 5.3L, 6.0L, 6.2L, Gen III/IV LS, Each

Part Number: BTC-S0397

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Alternator and Power Steering Brackets, Aluminum, Natural, Chevy, Small Block LS, Each

Part Number: HLY-20-135

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Cylinder Head Studs, Pro Series, Hex Nuts, Ford, 4.6, 5.4L, Kit

Part Number: ARP-256-4001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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

Part Number: HLY-302-76BK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Stage 4 Pro LS Single Plane Cam, 240/252 106 +0, .569 Lift, LS1 LS2 LS6 LS3 LS7 LQ4, Each

Part Number: SUM-8703

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Main Bearings, H Series, 1/2 Groove, Standard Size, Tri Metal, International, 7.6L, Set

Part Number: CLE-MS1343H

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP3014

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Oil Pump, High Pressure, HPOP, High Volume, High-Pressure, Ford, 7.3L, Each

Part Number: BDD-BOSHPOP-008X

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Core Charge $150.00
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Piston, Hypereutectic, Flat, 3.799 in. Bore, Chevy, 4.8L, 5.3L, Set of 8

Part Number: SLP-H1132CPA50MM

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Camshaft, KIT-ENGINE CAMSHAFT/LIFTER

Part Number: MEL-CL-MC1401

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Cylinder Head Studs, Heavy Duty, Chromoly, 12-Point Nuts, 8mm, 14mm, Ford, 6.0L, Powerstroke Diesel, Kit

Part Number: GFN-HSK60

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Lifters, OE Style, Hydraulic Roller, Fast Bleed, Chevy, Set of 16

Part Number: HRS-91113FB

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Mar 20, 2026 if ordered today

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• Special Order

Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.250 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8562

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: HLY-241-111

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

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Harmonic Balancer, Super Damper, Internal Balance, Aluminum/Steel, Black, Mini, 1.6L, Each

Part Number: ATI-917992

4.86 out of 5 stars ( 21 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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BTR 400+ MEDIUM TWIN TURBO CAMSHAFT

Part Number: BTC-BTR-MTT400

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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