CHEVROLET TRAILBLAZER Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.070K2

Pistons, Speed of Air, Dimpled, 4032 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA552-070K2

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

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA545-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +20.00cc Dish, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA532-010K2

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

Enginetech Rebuilders Valves for 2003 TRAILBLAZER - V4351

Engine Exhaust Valve 02-06 BUI/CHV/GMC/Hummer/IZU/OLD/SAB 2.8L/3.5L/4.2L

Part Number: EGN-V4351

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

King Engine Bearings Main Bearings MB5398SI 010

Crankshaft Main Bearings

Part Number: KGB-MB5398SI010

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

Dorman Engine Oil Dipsticks 917-381

Engine Oil Dipstick

Part Number: RNB-917-381

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Mahle Original Head Bolt Kits GS33416

4.2L GM TRK DOHC L6 2002-2005

Part Number: MAH-GS33416

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Dorman Oil Pan Drain Plugs 090-854

Oil Drain Plug, Buick 2024-20, Cadillac 2024-19, Chevrolet 2024-19, GMC 2024-19

Part Number: RNB-090-854

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Standard Motor Products - Variable Cam Timing Solenoids for 2020-2023 ENCORE GX, 2021-2023 TRAILBLAZER - VVT808

Variable Valve Timing Position Sensor Magnet

Part Number: SMP-VVT808

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Trans-Dapt Performance Remote Oil Filter Relocation Kits 1220

Oil Filter Relocation Kit, Dual Filter, 3/4-16 in. Filter Threads, 13/16-16 in. Engine Threads, Kit

Part Number: TRD-1220

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Hayden Idler Pulleys 5026

Idler / Tensioner Pulley

Part Number: HDA-5026

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

Cloyes Hex-A-Just Timing Sets 9-3159AR

Cloyes Hex-A-Just Timing Sets 9-3159AR

Timing Chain and Gear Set, Hex A Just Double Roller, Double Roller, 0.390 in. Raised Cam, Chevy, 4.8/5.3/6.0L, Set

Part Number: CLO-9-3159AR

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

Enginetech Piston Sets P5012(6).75

Engine Piston Set 02-06 BUI/CHV/GMC/IZU/OLD/SAB 4.2L

Part Number: EGN-P5012675

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

Enginetech Rod Bearings BB157J.50

Engine Connecting Rod Bearing 02-09 BUI/CHV/GMC/IZU/OLD/SAB 4.2L

Part Number: EGN-BB157J50

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

PRW Fabricated Valve Covers 4034630

Valve Covers, Stock Height, Centerbolt Mounting, Fabricated Aluminum, Silver Anodized, Coil Pack Stand-offs, Chevy, Small Block LS, Pair

Part Number: PQX-4034630

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Melling Stock Replacement Camshafts MC1391

Camshafts STOCK REPLACEMENT CAMSHAFT USING HYDRAULIC ROLLER LIFTERS

Part Number: MEL-MC1391

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA532-.070K2

Pistons, Speed of Air, Dimpled, 2618 Forged, 4.065 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA531-065K2

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA528-010K2

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Melling Timing Chain Guides BG5506

Guide, CHAIN GUIDE

Part Number: MEL-BG5506

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Melling Timing Chain Tensioners BT5512

TENSIONER , TENSIONER

Part Number: MEL-BT5512

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Melling Timing Sprockets S913

Sprocket, SPROCKET-CRANK

Part Number: MEL-S913

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Spectra Premium Oil Pans GMP64A

OIL PAN

Part Number: SGT-GMP64A

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

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Estimated Ship Date: Apr 15, 2026 if ordered today

Melling Timing Sprockets S894

SPROCKET-CAM

Part Number: MEL-S894

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Melling Timing Sprockets S908A

Sprocket, SPROCKET-CAM

Part Number: MEL-S908A

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Melling Timing Chain and Gear Sets TOPK-1003

TIMING SET WITH OIL PUMP

Part Number: MEL-TOPK-1003

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Melling Rocker Arms MR-1355

ARM ENG VALVE ROCKER

Part Number: MEL-MR-1355

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today