2015 CHEVROLET SILVERADO 2500 HD Summit Racing Parts and Accessories

Spark Plug Wires, White Ceramic, Spiral Core, 8mm, Black, 135 Degree Boots, GM, Saab, Isuzu, Hummer, Set

Part Number: SUM-881102

4.59 out of 5 stars ( 34 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Thermostat, 160 Degree, High-Flow, Bypass Valve, Copper/Brass, Stainless Body, Chevy, Pontiac, GMC, LS, Each

Part Number: SUM-365-160

4.26 out of 5 stars ( 39 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit

Part Number: SUM-G2628

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 Series, 8mm, 300 Ohm, Red, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828R

4.45 out of 5 stars ( 101 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, 86 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: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-710101-SS

4.71 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Valve Cover Gasket, Chevy, LS, Pair

Part Number: SUM-G2603

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Spark Plug Wires, Black Ceramic, Spiral Core, 8mm, Black, 135 Degree Boots, GM, Saab, Isuzu, Hummer, Set

Part Number: SUM-881112

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-710102-SS

4.48 out of 5 stars ( 23 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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Brake Rotor, Front, RWD, 4WD, 13.98 in. O.D., 355 mm O.D., 8 x 7.08 in., 8 x 180 mm, 1.520 in. Thick, Pair

Part Number: SUM-BRC-66074PR

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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 3/2/2026 if shipped by air

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 3/2/2026 if shipped by air

Spark Plug Wires, 88 Series, Street / Strip, 8.5mm, Black, 50 Ohm, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-887828

4.42 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-BRC-66077PR

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-710102-B

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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 3/2/2026 if shipped by air

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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 3/2/2026 if shipped by air

Map Sensor Adapter, Convert LS1/LS2 Map Sensor to LS3 Sensor, Harness Adapter, Chevrolet V8, Each

Part Number: SUM-890133

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-710103-SS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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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-484910

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Oversize $39.99

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 3/2/2026 if shipped by air

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 3/2/2026 if shipped by air

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 3/2/2026 if shipped by air

Spark Plug Wires, Black Ceramic, Spiral Core, 8mm, Black, 135 Degree Boots, GM, LS, Set

Part Number: SUM-881111

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-710201-B

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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