2003 Parts and Accessories

Spark Plug Wires, Super Conductor, Cut To Fit, Spiral Core, 8.5mm, Black, Chevrolet, V8, LS, Set

Part Number: MSD-32073

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Intake Manifold, Fuel Injected, 92mm Bore Size, Aluminum, Black, Chevy, LS1, LS2, LS6, Each

Part Number: SUM-226122B

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-917T

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Ignition Coil, Blaster, E-Core, Performance Replacement, Square, Epoxy, Red, 44,000 V, GM, Each

Part Number: MSD-8226

4.45 out of 5 stars ( 80 )

Estimated Ship Date: Today

Torque Converters, Twister 3/4 Race, 9.600 in. Dia., with Lockup, 30-Spline, 11.125 in. bolt pattern, 2,400-2,800 rpm Stall, 4L60-E, 4L65-E, Each

Part Number: HAY-97-1H24Q

Not Yet Reviewed

Estimated Ship Date: Today

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Computer Programmer, DTC Reader, Flashpaq, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saturn, Each

Part Number: SRC-2845

4.14 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Oil Pans, Retrofit, LS Engine Swap, Rear Sump, Wet Style, 5.9 Quarts, Aluminum, Black, Buick, Chevy, Ford, GMC, Mercury, Oldsmobile,Pontiac, Each

Part Number: HLY-302-3BK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Valve Covers, Aluminum LS, Centerbolt, Tall, Plain, Cast Aluminum, Black Powdercoat, Textured, Chevy, LS, 4.8-7.0L, Pair

Part Number: HLY-241-112

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Fuel Pump, In-Tank, Electric, 340 lph, 80 psi, Each

Part Number: AVM-50-1220

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Manual Shifter, Billet/Plus, Ford, Each

Part Number: HUU-3915020

4.57 out of 5 stars ( 23 )

Estimated Ship Date: Today

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Muffler, FlowFX Series, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71236

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Today

Motor Mount, LS Engine Swap Adapter Plate, Bolt-In, Billet,Plain, 4-bolt Gen III/IV LS block to 3- bolt Chevy Mounts, Pair

Part Number: SUM-7731101

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

Motor Plate, Mid-Mount, Aluminum, 1/4 in. Thick, Chevy,Small Block, Big Block, Each

Part Number: SUM-01-9036

Not Yet Reviewed

Estimated Ship Date: Today

Exhaust Sys, Blackheart, Axle-Back, Center Rear, Stainless Steel, Natural, with Turbo Mufflers/Quad Tips, Chevrolet, Kit

Part Number: HOK-70401343RHKR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Analog, CANBUS, Sensors, USB Tuning Cable, Chevy, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-903T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Intake Manifolds, EFI, LS Mid-Rise, Cathedral Port Head, Multi-port, 92mm Bore, Standard Deck, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-126

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Muffler, Super 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-953045

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Spark Plug Wires, Extreme 9000 Ceramic, Spiral Core, 8mm, Black, Black Ceramic 180 Degree Boots, GM, 4.8, 5.3, 6.0L, Set

Part Number: ACC-9059CK

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Exhaust System, Cat-back, FlowFX, 409 Stainless Steel, Single Exit, Chevrolet, GMC, Kit

Part Number: FLO-717873

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Ignition Coil Pack, Coil-On-Plug, Super Coil, Epoxy, Yellow, Ford, Lincoln, Mercury, 2 valve, Set of 8

Part Number: ACC-140032-8

4.77 out of 5 stars ( 226 )

Estimated Ship Date: Today

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Intake Manifolds, LS Mid-Rise, Standard Deck, Single Carburetor, Single Plane, 2,500-7,000 RPM Range, Aluminum, Satin Finish, Chevy, 4.8-6.0L, Each

Part Number: HLY-300-132

4.72 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Water Neck, Aluminum, Black Anodized, Swivel, 60 Degree, Chevrolet, LS, Each

Part Number: MRG-2670BK

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

Muffler, Delta Flow 50 Series, 3 in. Inlet/3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-843051

4.78 out of 5 stars ( 18 )

Estimated Ship Date: Today

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Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Analog, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit

Part Number: HLY-550-934T

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Computer Programmer, Trinity 2 EX Platinum Performance, Competition Use Only, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: DBL-9245

3.67 out of 5 stars ( 24 )

Estimated Ship Date: Today

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