GMC SIERRA 2500 HD CLASSIC Summit Racing Parts and Accessories

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 4/20/2026 if shipped by air

• Free Shipping

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

Part Number: SUM-867830

4.75 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/20/2026 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 4/20/2026 if shipped by air

Throttle Body, Drive-By-Wire, Billet Aluminum, Natural, 103mm, Chevy, LS, Each

Part Number: SUM-227110

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Brake Rotors, Drilled/Slotted, Iron, Zinc Dichromate Plated, Front, Chevy, GMC, Pair

Part Number: SUM-BRC-66059PR

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

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 4/20/2026 if shipped by air

• Free Shipping

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 4/20/2026 if shipped by air

Brake Rotors, Cross-Drilled/Slotted, Iron, Zinc Dichromate Plated, Rear, Chevy, GMC, Pair

Part Number: SUM-BRC-66044PR

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Throttle Body, Drive-By-Wire, Billet Aluminum, Polished, 103mm, Chevy, LS, Each

Part Number: SUM-227110P

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

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 4/20/2026 if shipped by air

• Free Shipping

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 4/20/2026 if shipped by air

• Free Shipping

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

Part Number: SUM-484917

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Oversize $46.99

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 4/20/2026 if shipped by air

• Oversize $46.99

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

Part Number: SUM-710202-B

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Oil Filter, Canister, 22mm x 1.5 Thread, 3.350 in. High, common on 2007+ LS, Each

Part Number: SUM-127001

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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 4/20/2026 if shipped by air

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Blue, 9" Leads, OEM Spark Plug Boots That Accept Heat Shields, LS, V8, Set

Part Number: SUM-867828

4.14 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Ignition Coils, Coil Pack, D585 Style, Epoxy, Round, Black, LS, V8, Chevy, Cadillac, GMC, Buick, Hummer, Isuzu, Each

Part Number: SUM-850501-1B

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Tonneau Cover, Soft Folding, Vinyl, Black, Above the Bed Rails, 8 Ft, Bed, Chevy, GMC, Each

Part Number: SUM-484918

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Oversize $46.99

Torsion Bar Keys, Chevy, GMC, 2500/2500HD, 2 in. Lift, 4WD, Pair

Part Number: SUM-7897351

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Alternator, Internal Regulator, 12 V, 145 amps, Natural Finish, Serpentine Pulley, Each

Part Number: SUM-810347

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

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

Part Number: SUM-710202-SS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

• Free Shipping

Spark Plug Wires, Street / Strip Series, 8mm, 300 Ohm, Blue, 9" Leads, OEM Spark Plug Boots With Heat Shields Installed, LS, V8, Set

Part Number: SUM-867828WS

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Spark Plug Wires, Race Series, 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 4/20/2026 if shipped by air

Universal Joint, 1344 Style, Greasable, Steel, Each

Part Number: SUM-732001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air