CHEVROLET TRAILBLAZER Engines & Components

Main Bearings, King SI-Series Main Bearings, Stock Size, Bi-Metal, Holden, Sold as a Set of 5

Part Number: KGB-MB5398SI

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Estimated Ship Date: Dec 29, 2025 if ordered today

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

Part Number: DER-15716

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Piston, OE Replacement, Hypereutectic Aluminum, Flat Top, 4 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S2243665

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Estimated Ship Date: Tomorrow

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Harmonic Balancer, Internal Balance, Nodular Iron, Buick, Cadillac, Chevy, GMC/Hummer/Isuzu, Small Block, Each

Part Number: ATP-102171

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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TENSIONER

Part Number: NAL-12609719

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Estimated Ship Date: Jan 26, 2026 if ordered today

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TENSIONER

Part Number: NAL-12580196

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Estimated Ship Date: Jan 23, 2026 if ordered today

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Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.010 in. Reduced Center, Each

Part Number: CLO-9-131-10

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Engine Timing Set, Stock Replacement-3 p

Part Number: MEL-3-3SRH60SF

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed, Natural Finish, 10-bolt Pattern, Chevy, LS, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: HLY-241-260

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Estimated Ship Date: Oct 16, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.059 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860060

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Estimated Ship Date: Oct 14, 2025 if ordered today

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Cylinder Head Fasteners, Replacement, Bolt Style, Hex Head, Steel, Natural, Cadillac, Chevrolet, Pontiac, Saab, Set of 30

Part Number: PIO-S-350LS2

5.0 out of 5 stars ( 1 )

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Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Engine Timing Set, Stock Replacement-3 p

Part Number: MEL-3-3SRH60SG

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Estimated Ship Date: Oct 24, 2025 if ordered today

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4.2L GM TRK DOHC L6 2002-2005

Part Number: MAH-GS33416

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Estimated Ship Date: Nov 3, 2025 if ordered today

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ChevroletS.B. Large Pin - 2.100" 262,267,302,305,307,327,350 ci V8LS Gen III,IV & VortecSmall Block 400 ci V8Tri-Metal - .028mm (.011") undersize

Part Number: PEB-8B663H-011

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Estimated Ship Date: Dec 1, 2025 if ordered today

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ChevroletS.B. Large Pin - 2.100" 262,267,302,305,307,327,350 ci V8LS Gen III,IV & VortecSmall Block 400 ci V8Tri-Metal - .023mm (.009") undersize

Part Number: PEB-8B663H-009

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Valve Covers, Replacement, Stock, Baffled, Cast Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saab, Each

Part Number: ADO-12637684

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston Rings, Premium Piston Ring Sets, Plasma-moly, 3.661 in. Bore, 1.2mm, 1.5mm, 2.5mm Thickness, L6, Set

Part Number: MAH-41907CP

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Estimated Ship Date: Oct 31, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.044 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4860045

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Estimated Ship Date: Oct 15, 2025 if ordered today

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OIL PUMP PULLEY

Part Number: NAL-12565692

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Estimated Ship Date: Jan 21, 2026 if ordered today

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Oil Filter Adapters, Dual Port Spin-On, Right Angle Adapter Style, Aluminum, Natural, 22mm x 1.5 Nipple Thread Size, 1/2 in. NPT Inlet/Outlet, Each

Part Number: PRM-3798

4.0 out of 5 stars ( 2 )

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

Part Number: PRM-10614

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Single Piston

Part Number: MAH-S0064

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Estimated Ship Date: Nov 3, 2025 if ordered today

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VALVE

Part Number: NAL-12615873

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Estimated Ship Date: Jan 19, 2026 if ordered today

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Rod Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Large Journal, Chevy, Set of 8

Part Number: KGB-CR807HPND010

5.0 out of 5 stars ( 1 )

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