GMC SIERRA 3500 HD | Summit Racing

BAK BakFlip MX4 Tonneau Covers 448134

Tonneau Cover, BakFlip MX4, Hard, Folding, Aluminum, Black Matte, Dodge, RAM, 8 ft. Truck Bed Length, Each

Part Number: BAK-448134

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converters 60504

Catalytic Converter, OEM Grade, Federal/EPA Compliant, Direct-Fit, Chevy, GMC, 6.6L, Diesel, Each

Part Number: MPE-60504

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

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Estimated Ship Date: May 8, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10522

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Hellwig Anti-Sway Bars 7828

Hellwig Anti-Sway Bars 7828

Sway Bar, Chevy, GMC, Rear, Kit

Part Number: HEL-7828

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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NOS EFI Nitrous Oxide Systems 02519NOS

Nitrous Oxide System, EFI, Dry, 50 hp, 10 lb. Bottle, Blue, Dodge, Ford, Diesel, Kit

Part Number: NOS-02519NOS

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

FAST Diesel Nitrous Systems 82028

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Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2121 GM 10.5 in. (14-bolt) 4.56 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.56 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10521

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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BAK BakFlip MX4 Tonneau Covers 48101

Tonneau Cover, MX4, Folding, Aluminum, Matte Black, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: BAK-448101

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934-15

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 15 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-15

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2114 AAM/Chrysler/GM 11.5 in. 4.56 Gears

Ring and Pinion Gears,USA Standard 11.5" AAM, 4.56 Ratio Rear Ring & Pinion GearInstall Kit 4.375" OD Inner Pinion Bearing

Part Number: SPZ-10827

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Ring and Pinion Sets YG GM11.5-456 AAM/Chrysler/GM 11.5 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, 2.005 in. Pinion, 30 Spline, 11.500 in. Ring Gear, GM/Chrysler, Set

Part Number: YGA-24443

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Fleece Performance Freedom Series DuraMax Cylinder Heads FPE-61-10003-D

Cylinder Head, 2006-2010 Factory LBZ/LMM Duramax Cylinder Head (Driver Side)

Part Number: FLE-FPE6110003D

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Edge Pulsar Duramax Modules 22400

Computer Chips and Modules, Pulsar In-Line Computers, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: EGE-22400

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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WeatherTech AlloyCover Tonneau Covers 8HF020036

Tonneau Cover, AlloyCover, Folding, Aluminum, Black Matte, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: MNA-8HF020036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Pacific Performance Engineering Exhaust Manifolds 116112035

Exhaust Manifolds, High Silicon Cast Iron, Silver Ceramic Coated, Chevrolet, GMC, 6.6L Diesel, Kit

Part Number: PPE-116112035

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Fleece Performance TufShafts Axle Shafts FPE-TUFSHAFTS

Axle Shafts, Direct Fit, Fleece Performance, TufShafts, GM Front, Direct Fit Replacement, AAM 9.25 in. Front Axle, Chevy, GMC 2500, 3500, HD, Pair

Part Number: FLE-FPETUFSHAFTS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Zone Offroad Nitro Suspension Lift Kits ZONC4N

Suspension Lift Kit, 6 in. Front, 5 in. Rear, Steering Knuckle, Lift Block, with Nitro Shocks, Chevy, GMC, Kit

Part Number: ZNE-ZONC4N

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Innovators West Drive Pulley Conversion Kits 997

99-06 LS TRUCK 8-RIB CONVERSION KIT - 10% OD

Part Number: INW-997

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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King Shocks OEM Performance Shocks 25001-184A

Shocks, OEM Performance, Front, Monotube, Gas Charged, Piggy Back Reservoir, Adjustable, Chevrolet, GMC, Pair

Part Number: KSS-25001-184A

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Camburg Engineering Bilstein Lift Kits CAM-210027-U

Suspension Level Kit, 0-1.50 in. Lift, Bilstein Shocks, Tubular Uniball Control Arms, Chevy, GMC, Kit

Part Number: CBG-CAM-210027-U

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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RevMax Low Stall Stage 5 Torque Converters A1000-405

Torque Converter, Stage 5 Low Stall, 25-Spline, 13.5 in. Diameter, Allison 1000, Chevy, GMC, Each

Part Number: RVM-A1000-405

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Access LoMax Folding Hard Covers B6020099

FOLDING COVER, 20-ON Chevy/GMC 2500, 3500 6' 8" Box (w/ or w/o Multi Tailgate) (w/o Bedside Storage Boxes)

Part Number: AGI-B6020099

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Access LoMax Folding Hard Covers B6020069

FOLDING COVER, 07-13 Chevy/GMC 1500 6' 6" Box

Part Number: AGI-B6020069

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Access LoMax Professional Series Hard Tri-Fold Tonneau Covers B0020069

Tonneau Cover, LoMax Professional Series, Folding, Aluminum, Black Diamond Mist, Chevy, GMC, 6.5 ft. Truck Bed Length, Each

Part Number: AGI-B0020069

Not Yet Reviewed

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Westin Pro Traxx 5 Wheel-to-Wheel Oval Step Bars 21-534770

Step Bars, Nerf Bars, Pro Traxx 5 Wheel-to-Wheel, Stainless Steel, Polished, Chevy, GMC, Pair

Part Number: WSA-21-534770

Not Yet Reviewed

Estimated Ship Date: May 26, 2026 if ordered today

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Estimated Ship Date: May 26, 2026 if ordered today

NOS GM EFI Wet Nitrous Plate Systems 05164BNOS

Nitrous Oxide System, EFI, Wet, Drive-By-Wire Throttle Body, 90/92mm, 10 lb. Bottle, GM LS Engines, Black, Kit

Part Number: NOS-05164BNOS

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today

GMC SIERRA 3500 HD Parts and Accessories