Trailblazer parts at Summit Racing

Moog R-Series Control Arms RK640294

Control Arm, Front Upper, Driver Side, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Each

Part Number: MOG-RK640294

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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USA Standard Gear ZG Series Ring and Pinion Sets ZG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Aeromotive Phantom Direct-Fit Fuel Pumps 18364

Fuel pump, Electric, In-Tank, Triple Phantom 450, Gasoline, E85, Chevy, GMC, Each

Part Number: AEI-18364

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Richmond Gear Crush Sleeves 19-0004-1

Differential Crush Sleeve; Fits GM 8.5 in.

Part Number: RMG-19-0004-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Melling Valve Springs VS-2254

Melling Valve Springs VS-2254

Valve Springs, Single, 1.046/1.263 in. Diameter, 105 lbs. Seat Pressure, 1.139 in. Coil Bind Height, Each

Part Number: MEL-VS-2254

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Timken Differential Pinion Seals 710506

Differential Pinion Seal, Rear Outer, Nitrile, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: TMK-710506

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Vibrant Performance Exhaust Manifold Flanges 14332

Header Flange, 304 Stainless Steel, 3/8 in. Thick, Chevy LS, Pair

Part Number: VPE-14332

Not Yet Reviewed

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JET Dynamic Spectrum Tuners 14007

Computer Tuner, Dynamic Spectrum Tuners, Chevy, GM, Each

Part Number: JET-14007

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

NOS Sniper EFI Wet Nitrous Systems 07164NOS

Nitrous Oxide System, Sniper, EFI, Wet, 100-150 hp, 10 lb. Bottle, Orange, GM, LS Throttle Body, Kit

Part Number: NOS-07164NOS

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine 20935-10

3.75 out of 5 stars ( 6 )

Estimated Ship Date: Today

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OTC Harmonic Balancer Pullers 6669

Harmonic Balancer Puller, 3-Jaw Puller, 4 Forcing Rods, 1 Forcing Screw, with Case, Kit

Part Number: OTC-6669

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Dura-Bond Automatic Transmission Bushings GMT-3-2TG

Automatic Transmission Bushings, Extension Housing, GM Transmission, Each

Part Number: DUR-GMT-3-2TG

Not Yet Reviewed

Estimated Ship Date: Today

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Toyo Proxes ST III Tires 255/50-20

Tire, Proxes ST III, 255/50R20, Radial, Performance Truck/SUV, Each

Part Number: TYT-247240

Not Yet Reviewed

Estimated Ship Date: Today

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Arroyo Eco Pro H/T Tires 245/60-18

Tire, Eco Pro H/T, P245/60-18, Radial, Blackwall, 105H, Load Range, 600 A B, 11/32 in. Tread Depth, Each

Part Number: AYO-AEP021

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Motive Gear Open Differential Internal Kits GM8.6BIL

Differential Parts, Open Style, 30 Spline, GM, 8.6 in., 10-Bolt, Kit

Part Number: MGR-GM86BIL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Automatic Transmission Turbine Shaft Fluid Sealing Rings 08667035

Automatic Transmission Oil Rings, Turbine Shaft Seals, PTFE®, Chevrolet, THM700-R4, 4L60, MD8, 4L65E, 4L70E, Each

Part Number: ADO-8667035

Not Yet Reviewed

Estimated Ship Date: Today

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Hastings Piston Ring Sets 2M4860040

Piston Rings, Plasma-moly, 4.039 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860040

Not Yet Reviewed

Estimated Ship Date: Today

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Rough Country Spline-Drive Lug Nuts 121524BLK

Lug Nuts, Conical Seat, 12mm x 1.50 RH, Spline Drive, Black, Steel, Chevy, Ford, GMC, Hummer, Jeep, Mazda, Mitsubishi, for Nissan, Toyota, Set of 24

Part Number: ROU-121524BLK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

Lokar Lakester Window Vent Cranks XIDH-2037

Window Vent Cranks, Lakester, Steel, Chrome, 1/2 in. Round Spline, Pair

Part Number: LOK-XIDH-2037

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

PowerStop Z17 Evolution Plus Stock Replacement Brake Kits for 2020-2023 ENCORE GX, 2021-2023 TRAILBLAZER - KOE9013

Brake Rotor and Pad Combos, Z17 Evolution Plus Stock Replacement, Solid Surface Rotors, Ceramic Pads, Rear, Buick, Chevrolet, Kit

Part Number: PWR-KOE9013

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Standard Motor Throttle Position Sensors TH602

Throttle Position Sensor, Replacement, Buick, Chevrolet, GMC, Hummer, Isuzu, Workhorse, Workhorse Custom Chassis, Each

Part Number: SMP-TH602

Not Yet Reviewed

Estimated Ship Date: Today

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ACDelco GM Genuine Parts Individual Spark Plug Wires 12731653

Wire, Spark Plug Wire, 7.00mm, Black Wire, Buick, Cadillac, Chevrolet, GMC, Hummer, Truck.

Part Number: ADO-357D

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Volant Vortice Throttle Body Spacers 725253

Throttle Body Spacer, Vortice, Nylon Composite, Blue, 1 in. Thick, 4 Bolt, Chevy, GMC, 4.8, 5.3, 6.0, 6.2L

Part Number: VNT-725253

3.82 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Four Seasons Ultra-Cool Transmission Oil Coolers 53000

Transmission Oil Cooler, Ultra-Cool, Tube and Fin, 4 Rows, Aluminum, 0.375 in. Hose Barb Inlet/Outlet, Each

Part Number: FSS-53000

Not Yet Reviewed

Estimated Ship Date: Today

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JET Powr-Flo Throttle Body Spacers 62143

Throttle Body Spacer, Powr-Flo, Aluminum, Blue Anodized, Cadillac, Chevrolet, GMC, Hummer, 5.3/6.0/6.2L, Each

Part Number: JET-62143

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

Denso Ignition Coils 673-7107

Direct Ignition Coil, Direct Ignition Coil OE Quality

Part Number: DNP-673-7107

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

CHEVROLET TRAILBLAZER Parts and Accessories