2003 Parts and Accessories

Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0002

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Step Bars, Stainless Steel, Polished, Round, 3 in. Diameter, Extended Cab, Chevy, GMC, Pair

Part Number: SUM-710102-SS

4.5 out of 5 stars ( 24 )

Estimated Ship Date: Today

• Free Shipping

Crate Engine, Remanufactured, Long Block, Assembled, GM, 5.3L, 4WD, Each

Part Number: VRE-VCT84WD

3.67 out of 5 stars ( 6 )

Estimated Ship Date: May 15, 2026 if ordered today

• Core Charge $445.00
• Drop Ship
• Free Shipping
• Special Order

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Red, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830R

4.75 out of 5 stars ( 44 )

Estimated Ship Date: Today

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

• Free Shipping

Intake Manifold Gaskets, Original, Stock Port, Molded Rubber Compound, Chevy, 4.8L, 5.3L, 6.0L, Kit

Part Number: MAH-MIS16340

4.6 out of 5 stars ( 15 )

Estimated Ship Date: Today

Battery, 12 V, 310 Cold Cranking Amps, Top Post, 6.875 in. Length, 3.437 in. Width, 6.125 in. Height, Each

Part Number: YSA-YTX20HL-BS

4.84 out of 5 stars ( 55 )

Cannot be shipped Internationally

• Restricted
• Ground

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: Today

Flexplate Bolts, Pro Series, 12-point, 11mm x 1.5 Thread, Steel, Black Oxide, Chevy, Set of 6

Part Number: ARP-244-2902

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Today

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

Part Number: BSN-24-186636

4.93 out of 5 stars ( 41 )

Estimated Ship Date: Today

• $30 Summit Bucks

Power Steering Pump, Standard Replacement, Standard Volume, Does Not Include Pulley, Includes Reservoir, Cadillac, Chevy, GMC, Each

Part Number: EDD-6023R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Shocks and Struts, Street Performance Shocks, Lowered Ride Height, 4.00 in. Lowered Range, Twin-tube, Gas-charged, Rear, Chevy, Dodge, GMC, Each

Part Number: BEL-2209FF

4.94 out of 5 stars ( 18 )

Estimated Ship Date: Today

Header Bolts, Hex Head, 30mm UHL, 10mm Wrench, 8740 Chromoly, Black Oxide, Chevy, LS, Set of 12

Part Number: ARP-134-1102

5.0 out of 5 stars ( 32 )

Estimated Ship Date: Today

Wheels, Canyon, Aluminum, Polished, 17 in. x 9 in., 0.00mm Offset, 5.00 Backspace, 108.1mm Center Bore, 6 x 5.50 in. Bolt Pattern, Each

Part Number: MTW-226100423

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping
• Mfr. Rebate

Rebate Expires: 4/30/2026

Get $100 back after REBATE on a set of these Mickey Thompson Wheels! For details visit www.mickeythompsontires.com/offer ...Read More

Get $100 back after rebate on a set of four select Mickey Thompson Wheels! Get $200 back on a set of select Tires AND select Wheels bought together! Visit www.mickeythompsontires.com/offer for more information. Valid on purchases made between 3/15/26 and 4/30/26. Must be submitted online by 5/31/26. Allow 6-8 weeks for processing. Open to legal residents of the 50 United States and District of Columbia. Limit 1 rebate claim per household. Show Less

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Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

Harmonic Balancer Bolt, Steel, Flanged Hex, Coarse Thread, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: ADO-12557840

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Bellhousing, QuickTime, Steel, SFI Approved, Chevy, LS to Manual Transmission, Kit

Part Number: QTI-RM-6036

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Clutch Kits, Twin Disc, 246mm, Cerametallic, Chromoly Flywheel, Chevrolet LS 6-bolt, 1250 lb.ft.Torque Capacity, Tremec T56 , TKO, Kit

Part Number: TIL-55-2004

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Intake Manifold, FAST LSX, Multi-port, 92mm Bore, Polymer, Black, Runners, EGR, Chevy, 5.7L, 6.0L, Kit

Part Number: FST-54039B

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Battery, AGM, Deep Cycle/Starting, 12 V, 1,200 Cranking Amps at 32 Degrees F, Top Terminals, Each

Part Number: XSP-D2400

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Restricted
• Free Shipping

Starter, PowerMAX Plus, Mini Hitachi, Standard Rotation, 1.9 HP, 170 ft. lbs. Torque, Black/Natural, Chevy, GMC, LS, Each

Part Number: PWM-9009

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Engine Gasket Set, LS Cam Change Gasket Kit, LS-1,LS-2,LS-3,LS-6, Chevy, Set

Part Number: SUM-G2627

2.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

Transmission Oil Cooler, Plate, Natural, 11 in. x 7.5 in. x 0.75 in., 3/8 in. Inlet, Outlet, Each

Part Number: HDA-677

4.61 out of 5 stars ( 23 )

Estimated Ship Date: Today

Intake Manifold, Fuel Injected, Tall Profile, 102mm Bore Size, Aluminum, Satin, Chevy, LS1, LS2, LS6, Each

Part Number: SUM-226120S-G2

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Shock/Strut, Twin-tube, Street Performance, Front, Chevy, Dodge, GMC, Isuzu, Mazda, Each

Part Number: BEL-10102I

4.18 out of 5 stars ( 39 )

Estimated Ship Date: Today