GMC SIERRA 3500 HD Summit Racing Parts and Accessories

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 10/27/2025

Shock/Strut, Twin-Tube, Red Polyurethane Bushings, Includes Red Boot, Each

Part Number: SUM-G7744

4.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts,Grommets ,Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555B

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Step Bars, Steel, Black Powdercoated, Round, 3 in. Diameter, Crew Cab, Chevy, GMC, Pair

Part Number: SUM-710101-B

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Brake Rotors, Cross-drilled and Slotted Surface, Vented, Iron, Zinc Dichromate Plated, Pair

Part Number: SUM-BRC-66077PR

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Exhaust Manifold and Header Gaskets, Multi-Layer Steel, Round Port, Chevrolet, GM, LS, Includes EGR and Air Injection Gaskets, Set

Part Number: SUM-110445

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Blue, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867830

4.83 out of 5 stars ( 35 )

Estimated Ship Date: Monday 10/27/2025

Exhaust Flange, LS Truck Manifold Steel, 2.5 in. Pipe Diameter, Natural, Pair, GM 5.3 6.0 6.2 LQ4 LQ9 LM7

Part Number: SUM-680500

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Black Finish, Includes Bolts, Grommets,Gaskets, Left/Drivers Side, GM LS, Each

Part Number: SUM-440550B

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

Wheel, Off-Road-8, 16 x 8 in., Aluminum, Polished, 4.5 in. Backspace, 8 x 165.1mm Bolt Pattern, Each

Part Number: SUM-56-6881P0

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Timing Chain and Gear Set, Double Roller, Billet, 3 Bolt, 1 Cam Sensor, Adjustable, Chevrolet, LS, Set

Part Number: SUM-G6646-BA

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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Tonneau Cover, Soft Roll-Up, Vinyl, Black, Above the Bed Rails, 6 1/2 Ft. or 78.8 in.Bed, 2016-2019 Chevy, GMC, Each

Part Number: SUM-484810

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Step Bars, Oval, Steel, Powedercoated, 4 in. Diameter, Crew Cab, Chevy, GMC, Pair

Part Number: SUM-710201-B

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/27/2025

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Tonneau Cover, Soft Folding, Vinyl, Black, Above the Bed Rails, 6 1/2 Ft, Bed, Chevy, GMC, Each

Part Number: SUM-484917

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

• Oversize $39.99

Step Bars, Oval, Stainless Steel, Polished, 4 in. Diameter, Standard Cab, Chevy, GMC, Pair

Part Number: SUM-710203-SS

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Step Bars, Steel, Black Powdercoated, Oval, 4 in. Diameter, Crew Cab, Chevy, GMC, Pair

Part Number: SUM-710206-B

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

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Step Bars, Oval, Steel, Black Powedercoated, 4 in. Diameter, Extended Cab, Chevy, GMC, Pair

Part Number: SUM-710202-B

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Automatic Transmission Filter, Direct Fit, 6L50E,6L80E, Cadillac, Chevy, GMC, Hummer, Each

Part Number: SUM-G19016

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

Oxygen Sensor Harness Extensions, 12 in. long, Trapezoidal 4-Pin Connector, GMC, Chevy, Pair

Part Number: SUM-890168

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

Valve Cover, Direct OEM Replacement, Stock Height, Cast Aluminum, Natural Finish, Includes Bolts, Grommets, Gaskets, Right/Passenger Side, GM LS, Each

Part Number: SUM-440555

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

Heat Protection, Spark Plug Boot Heat Shields, Straight, Aluminum, Natural, 2 3/8 in. Long, LS, Set of 8

Part Number: SUM-889511

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: SUM-710107-SS

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

• Oversize $39.99

Tonneau Cover, Soft Roll-Up, Vinyl, Black, Above the Bed Rails, 8 Ft, Bed, Chevy, GMC, Each

Part Number: SUM-484818

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Tonneau Cover, Soft Roll-Up, Vinyl, Black, Above the Bed Rails, 6 1/2 Ft. Bed, 99-2013, Chevy 1500, GMC, 99-14 2500,3500,Each

Part Number: SUM-484802

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Spark Plug Wires, 88 Series, Street / Strip, 8.5mm, Black, 50 Ohm, 12" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-887830

4.13 out of 5 stars ( 30 )

Estimated Ship Date: Monday 10/27/2025