2003 Parts and Accessories

Thermostat, 180 Degree, High-Flow, Copper/Brass, GM, LS, Each

Part Number: MRG-6368

4.0 out of 5 stars ( 9 )

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

Valve Covers, Aluminum LS, Centerbolt, Plain Top, Cast Aluminum, Black Textured, Baffled, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, 7.0L, Pair

Part Number: HLY-241-91

4.55 out of 5 stars ( 33 )

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

• Free Shipping

Lift Springs, Progressive, Rear, 5.5 in. Lift, Black, Chevy, GMC, Each

Part Number: BDX-BDS001559

Not Yet Reviewed

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

• Free Shipping

Alternators and Generators, XS Volt, GM AD230 Case Style, 165 amps, Serpentine Pulley, 6-groove, Cadillac, Chevy, GMC, Small Block LS, Each

Part Number: PWM-482478

Not Yet Reviewed

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

• Free Shipping

Fuel Rails, LSX High-Flow, Billet Aluminum, Black Anodized, -8 AN O-ring Inlet Size, LSXR-style Fuel Rail, Chevy, Kit

Part Number: FST-146027B-KIT

3.0 out of 5 stars ( 2 )

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

• Free Shipping

Cam Button Spacer, Nylon, Chevy, Small Block, Each

Part Number: CCA-202

4.78 out of 5 stars ( 37 )

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

Fluid Cooler, Plate-Fin Type, Aluminum, 9.750 in. x 6.250 in. x 1.25 in., 1/2 NPT Inlet, Outlet, Each

Part Number: DER-33602

5.0 out of 5 stars ( 1 )

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

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: Monday 4/13/2026 if shipped by air

• Free Shipping

Lug Nuts, Chrome , 1/2-20 in. Thread, Set of 20

Part Number: RNB-711-265

3.94 out of 5 stars ( 18 )

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

Wheel, VN515 Torq-Thrust II One-Piece, Aluminum, Polished, 17 in. x 8 in., 5 x 4.50 in. Bolt Circle, 4.750 in. Backspace, Each

Part Number: ARE-VN5157866

3.78 out of 5 stars ( 9 )

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

• Free Shipping

Exhaust Manifold Hardware, Hex Flange, 10.9 Steel, Zinc Plated, Chevrolet, LS, Set of 12

Part Number: SUM-910228

5.0 out of 5 stars ( 6 )

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

Main Studs, 4-Bolt Main, Ford, 4.6/5.4L, 2V/3V/4V Without Windage Tray, Kit

Part Number: ARP-156-5802

4.5 out of 5 stars ( 6 )

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

• Free Shipping

Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each

Part Number: WLK-17223

4.65 out of 5 stars ( 17 )

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

• $10 Summit Bucks

Spark Plug Wire Sets, 409 Pro Race Spiro-Wound 10.4mm, Assembled, Coil Pack Terminal Ends, Spiral Core, Black, Chevrolet, Small Block LS, Set

Part Number: TAY-79018

5.0 out of 5 stars ( 1 )

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

• Free Shipping

Wheel Simulators, D.O.T Liner, Stainless Steel, Polished, 16 in. Diameter, 8-Lug, Chevrolet, GMC, Front/Rear, Set of 4

Part Number: PHO-GDG01

4.85 out of 5 stars ( 27 )

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

• Free Shipping

Tie Rod Sleeve, Adjustable, Steel, Natural, Buick, Chevy/Ford, GMC/Oldsmobile, Pontiac, Each

Part Number: MOG-ES2004S

4.86 out of 5 stars ( 56 )

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

Head Gasket, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, 5.7, 6.0L, 6.2L, Each

Part Number: CGT-C5751-040

5.0 out of 5 stars ( 3 )

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

Fluid Cooler, Plate and Fin, Aluminum, Black, 1/2 in. NPT Inlet/Outlet, Each

Part Number: DER-15452

4.0 out of 5 stars ( 3 )

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

• Free Shipping

Battery, AGM, Deep Cycle/Starting, 12 V, 760 Cranking Amps at 32 Degrees F, 105 minutes Reserve Capacity, Each

Part Number: XSP-D4700

4.8 out of 5 stars ( 5 )

Cannot be shipped Internationally if shipped by air

• Restricted
• Free Shipping

Twisted Wedge® Track Heat® Valve Spring Upgrade, Steel Retainers, Steel Locks, 3-Groove, Ford, 4.6L/5.4L 2V, Kit

Part Number: TFS-2500525

5.0 out of 5 stars ( 4 )

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

• Free Shipping

Headers, Equal Length, Shorty, Steel, Titanium Ceramic, Ford, Modular, Pair

Part Number: BBK-1615

3.5 out of 5 stars ( 18 )

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

• Free Shipping

Thermostat, High Performance, Mechanical, 53mm Outside Diameter, 160 degrees, High-flow, AMC, Buick, Cadillac, Chrysler, Ford, Hudson, Each

Part Number: EDL-8603

4.56 out of 5 stars ( 16 )

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

LS3 Rocker Arm Shafts, Chevy, LS, Kit

Part Number: BTC-BTRSRKR3KIT

4.11 out of 5 stars ( 9 )

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

• Free Shipping

Exhaust Manifold, Blackheart LS Swap, Cast Iron, Black Ceramic Coated, Rear Dump, Universal, Pair

Part Number: HOK-8505-3HKR

3.5 out of 5 stars ( 2 )

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

• Free Shipping

Manual Transmission Bellhousing, 621, New, Aluminum, Natural, Blue Bird, Buick, Cadillac, Checker, Chevy, GMC, Jeep, Olds, Pontiac, Workhorse, Each

Part Number: IST-BHG-00104A

1.0 out of 5 stars ( 1 )

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

• Free Shipping