Trailblazer parts at Summit Racing

ACDelco Starters 88877128

Starter, Offset Gear Reduction, Standard Rotation, Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Each

Part Number: ADO-337-1029

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Summit Racing™ GM Throttle Body Wiring Harness Adapters SUM-890106

Throttle Body Adapter Harness, LS2 Throttle Body to LS1 Vehicle, Each

Part Number: SUM-890106

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Hays Twister 3/4 Race 2,400-2,800 Stall Torque Converter 97-1G24Q

Hays Twister 3/4 Race Torque Converter 1984- 97 GM, 4L60/4L60E/700R4, 2400- 2800 RPM stall

Part Number: HAY-97-1G24Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Hypertech Speedometer Calibrators 732501

Speedometer Calibrator, Programmer, Cadillac, Chevy, GMC, Hummer, Saab, Each

Part Number: HYP-732501

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Granatelli Motor Sports Valve Covers 640361

Valve Covers, Tall, Centerbolt, Plain Top Style, Cast Aluminum, Polished, Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Chevy Small Block LS, Pair

Part Number: GRN-640361

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Fram HP Series Oil Filters FHP18

Oil Filter, HP Series, Canister, 22mm x 1.5 Thread Size, Each

Part Number: FRM-HP18

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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ICT Billet MAP Sensor Harness Adapters WAMAP40-6

Wire Harness Adapter 6 in. LS Gen 4 (IV) Vehicle to Gen 3 MAP Sensor LS1 LS3 LSA

Part Number: ICB-WAMAP40-6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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TCI 10-Vane Billet Rotor Kits 373400

TCI 10-Vane Billet Rotor Kits 373400

Billet Rotor, 10-Vane, Automatic Transmission Pump, GM, 4L60E, 700R4, Each

Part Number: TCI-373400

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Standard Motor Knock Sensors KS116

Knock Sensor, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Each

Part Number: SMP-KS116

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Edelbrock Pro-Flo 4 XT EFI Systems 35733

Fuel Injection System, Pro-Flo 4 XT, Self-Learning, Sequential Multi-Port, Black Powdercoat, 550 HP Max, Gen III/IV, Cathedral Port, Kit

Part Number: EDL-35733

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Edelbrock Max-Fire Ultra-Spark 50 Spark Plug Wire Sets 22717

Spark Plug Wires, Max-Fire Ultra-Spark 50, Spiral Core, 50 ohms, 8.5mm, Red, Trucks, Buick, Cadillac, Chevy, GMC, Hummer, Saab, Small Block LS, Set

Part Number: EDL-22717

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Dorman Oil Pan Drain Plugs 65372

Oil Pan Drain Plug, 12mm x 1.75 Thread Size, Magnetic, Seal, Each

Part Number: RNB-65372

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Cloyes Race Billet True Roller Timing Sets 9-3659X3

Timing Set, Double Roller, Billet Steel Crank Sprocket, Iron Cam Sprocket, Chevy, LS1/LS2/LS6, Set

Part Number: CLO-9-3659X3

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Mahle Original Timing Chain Kits 9-3220

Timing Chain Set, Single Roller, Buick, Cadillac, Chevy, GMC, Pontiac, LS, Set

Part Number: MAH-93220

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Yukon Gear & Axle Differential Cover Bolts YSPBLT-082

Differential Cover Bolt, Hex-flange Head, Steel, Black, GM, 8mm x 1.25 in., Each

Part Number: YGA-33572

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Melling M-Select Class 1 Camshafts MTC-7

CAMSHAFT

Part Number: MEL-MTC-7

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Chevrolet Performance Front Cover Bolts 11515758

Bolt, Oil Pan, Front Cover, Oil Pump, Hex-Head, Steel, Natural, Chevy, LS, Each

Part Number: NAL-11515758

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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COMP Cams Short Travel Hydraulic Roller Lifters 15850-16

Lifter; Short Travel Race Hydraulic Roller Lifter; 16 pc.; Drop In; REM-Surfaces; Black Oxided

Part Number: CCA-15850-16

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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PIAA Platinum Series LED Light Bulbs 26-17395

Bulb

Part Number: PIA-26-17395

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Bosch Double Platinum Spark Plugs 8104

Spark Plug, Double Platinum, Tapered Seat, 14mm Thread, 17.5mm Reach, Resistor, Each

Part Number: BCH-8104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Standard Motor Fuel Injectors FJ887

Fuel Injector, Replacement, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Saab, 4.8L, 5.3L, 6.0L, 6.2L, Each

Part Number: SMP-FJ887

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Lug Nuts 711-335C

Lug Nuts, Conical Seat, Bulge, Standard and Locking, 12mm x 1.50 RH, Steel, Matte Black, Set of 20

Part Number: RNB-711-335C

2.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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USA Standard Gear Ring and Pinion Sets ZG GM8.5-342 GM 8.5/8.6 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Dorman Thermostat Housings 902-2981

Engine Coolant Thermostat Housing Assembly, Thermostat Housing With Thermostat

Part Number: RNB-902-2981

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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ACDelco Replacement Wiring Harness Connectors 88988963

Wiring Harness Connector, Replacement, OEM Type, Male, 2-pin, Black, Buick, Cadillac, Chevy, GMC, Pontiac, Saturn, Suzuki, Each

Part Number: ADO-PT2183

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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CHEVROLET TRAILBLAZER Parts and Accessories