2003 Parts and Accessories

Flexplate, Gold Series, Chromoly, 168-Tooth, Internal Engine Balance, SFI 29.1, TH350, 700R4, 4L60E, Chevy, LS, Each

Part Number: PQX-1834600

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Tire, NT 555 G2, 275/40ZR20, Radial, 2.094 lbs. Maximum Load, W Speed Rated, Blackwall, Each

Part Number: NIT-211100

4.38 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Oversize $12.99

Camshaft Kit, Pro LS, Hydraulic Roller Tappet, Advertised Duration 288/296, Lift .625/.605, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8709-1DS

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Lug Nuts, Conical Seat, Bulge, 14mm x 1.50 RH, Closed End, Locking, Chrome Plated Steel, Set of 4

Part Number: MCG-24210

4.71 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Flexplate, 168-Tooth, Internal Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, Each

Part Number: TCI-399753

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Ignition Coil, Coil Pack, Black, Female/Socket, Round, Ford, Lincoln, Mercury, Each

Part Number: DNP-673-6000

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Disc Brake Kit, Front, Drilled Rotors, Superlite 6 Calipers, Black, Chevy, Kit

Part Number: WIL-140-8921-D

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Mass Airflow Sensor, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Hummer, Isuzu, Saab, Each

Part Number: DFP-AF10043

4.91 out of 5 stars ( 44 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• $15 Summit Bucks

Transmission Cooler, Aluminum, Natural, Dodge, Cummins, Kit

Part Number: MIO-MMTC-RAM03SL

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Headers, Cat4ward, Stainless Steel, Natural, 1-5/8 in. Primary Tubes, Cadillac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: JBA-1850S-2

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Alternators and Generators, Elite Series Billet Alternators, 12 V, 370 amps, Black Anodized, Serpentine, Buick, Cadillac, Chevrolet, GMC, Hummer, Each

Part Number: MEH-B8302370B

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Head Gaskets, MLS, 3.910 bore, 0.051 in. Thick, Chevy, LS1, LS6, 5.7L,, Pair

Part Number: NAL-12498544

4.97 out of 5 stars ( 63 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Exhaust System, PLM Series, Turbo-Back, Steel, Passenger Side Exit, Aluminized, Ford, Kit

Part Number: MBR-S6200PLM

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Fluid Cooler, Transmission, Aluminum, Natural, Ford, Kit

Part Number: MIO-MMTCF2D99SL

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Summit Factory Performance Stage 2 LS Cam, 227/239 108 L/S, .551/.551 Lift, Vortec LS1 LS2 LS6 LS3 LS7 LQ4 LQ9, Summit's version of Factory Stage 2

Part Number: SUM-8704

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Lash Adjusters, Hydraulic, Ford, Modular, 2V, 4V, V8, V10, Set of 16

Part Number: TFS-21400008-16

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Shock, 5100 Series, Monotube, Rear, Chevy, GMC, 4WD, Each

Part Number: BSN-24-186742

4.93 out of 5 stars ( 68 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Oil Pump, Wet Sump Style, High-volume, High-pressure, Standard-pressure Spring Is Also Included, Chrysler, Dodge, 5.7L, 6.1L, Each

Part Number: MEL-10342HV

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Automatic Transmission Controllers, CAN, Chevy, 4L80E, Each

Part Number: DIY-S0030

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping

Brake Calipers and Pads, Aluminum, Red Powdercoated, GM, Kit

Part Number: WIL-140-12097-R

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Spark Plug Wire Set, Ultra 40, Spiral Core, 8.5mm, 40 ohms/ft., 60 in. Wires, Black, Silicone Boots, Chevrolet, Universal Small Block LS/LT, Set of 8

Part Number: MOR-73749

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Pro LS 2618 Forged Piston, 4.000 bore, 1.326 C.H., 2cc Flat, Std. Stroke, Full Float Rod, NA/Boost/Nitrous, Cathedral/Rect. 6.0L LY6 LQ4 LQ9, Set of 8

Part Number: SUM-3269434000-2

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Clutch, Dual Friction, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, 4.8L, Kit

Part Number: CTF-DF842503

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Intake Manifold, Dual Plane, Aluminum, Natural, Square Bore, Chevy, Big Block Gen VII, Std. Deck, Each

Part Number: DRT-41616010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Throttle Body, 102mm Bore Size, MPI, Billet Aluminum, Natural, Chevy, LS, Each

Part Number: SUM-227102

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

• Free Shipping