2002 Trans Am 5.7L LS1 Engine – Complete V8 & 4L60E 4-Speed Automatic Transmission
For custom car creators, retro muscle car builders, and professional restomod shops, selecting a complete 2002 Trans Am 5.7L LS1 Engine package provides an exceptional opportunity to acquire a legendary, high-torque drivetrain featuring a dependable automatic setup. Sourced directly from an operational fourth-generation F-body chassis showing 100,000 verified original miles, this comprehensive powertrain features the high-performance Gen III small-block engine natively paired alongside its original, highly reliable 4L60E four-speed electronic automatic transmission. Choosing a complete standalone 2002 Trans Am 5.7L LS1 Engine pullout assembly streamlines your vehicle conversion project, delivering the entire mechanical block, automatic gearbox, and electronic management core together to eliminate the immense hidden costs of tracking down individual accessory brackets, hardware bolts, and compatible wiring looms separately.https://perlicanparts.org/auto-parts-store-about/
Pulled from a 2002 Pontiac Trans Am with 100,000 miles, this complete 5.7L LS1 engine and 4L60E 4-speed automatic transmission combo is a solid and dependable setup, perfect for LS swaps, performance upgrades, or OEM replacements. Fully equipped from intake to oil pan, this package includes all the essential components for a smooth and straightforward installation.
Listing Includes:
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Complete 5.7L LS1 Engine (Intake to Oil Pan) with 100K Miles
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4L60E 4-Speed Automatic Transmission
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Complete Front Accessories with Brackets and Bolts
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Exhaust Manifolds
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Starter
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All Engine Sensors
This LS1 engine and 4L60E transmission pullout provides a ready-to-install GM powertrain solution—ideal for restorations, upgrades, or any project seeking the proven performance and reliability of the LS platform.
Technical Specifications of the Final-Year 2002 Trans Am 5.7L LS1 Engine
When planning an upgrade, custom street-rod swap, or structural vehicle restoration centered around a 2002 Trans Am 5.7L LS1 Engine for a classic car retrofit or an OEM vehicle replacement, tracking precise mechanical factory specifications is critical for managing fuel delivery lines and physical engine bay clearances.
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Engine Core Construction: Lightweight cast-aluminum cylinder block equipped with high-flowing aluminum cylinder heads (Gen III LS architecture)
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Internal Cast Layout: High-strength structural 346-cubic-inch design featuring highly durable cross-bolted main bearing caps
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Transmission Integration: 4L60E heavy-duty 4-speed electronic automatic transmission configured for high-performance sports car applications
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Throttle Control Layout: Reliable mechanical cable-driven throttle body assembly for crisp, direct throttle feedback
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Factory Performance Ratings: 310 Horsepower and 340 lb-ft of Torque
To cross-reference specific block casting marks, internal oiling routing schematics, or cylinder head airflow charts for high-performance General Motors Gen III sports car engine architectures, you can check out the comprehensive public databases on LSX Magazine and Tech Reference Indexes.
What is Included in This Complete Drivetrain Turn-Key Package?
This 2002 Trans Am 5.7L LS1 Engine pullout assembly is delivered as an ultra-complete mechanical package, preserving the critical factory components, automatic shifting hardware, and belt-driven components that typical salvage yards slice through or damage during hasty extraction.
Electronics, Loom, & Control Architecture
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Complete factory engine wiring harness with all primary injector, coil pack, and sensor clips intact.
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Original matching Engine Control Module (ECM/PCM) pre-loaded with factory 2002 F-body fuel and timing parameters.
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Full set of all vital engine sensors pre-installed (including mass airflow, crank, cam, and manifold pressure sensors).
Mechanical Core Components & Automatic Transmission Line
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Complete factory composite intake manifold assembly, fuel rails, fuel injectors, and manual cable throttle body.
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Aluminum cylinder heads with complete internal overhead valvetrain, factory camshaft, timing assembly, and rugged front timing cover.
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Authentic 4L60E 4-speed automatic transmission complete with its original torque converter, shift linkages, and structural flexplate setup.
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Full front accessory drive array complete with all factory structural brackets, hardware bolts, alternator, power steering pump, and water pump.
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High-torque starter motor, original factory cast iron exhaust manifolds, and factory low-profile F-body structural oil pan.
Why the 2002 Trans Am 5.7L LS1 Engine Setup is a Highly Prized Conversion Choice
Performance enthusiasts and vintage hot-rod shops actively prioritize finding a genuine 2002 Trans Am 5.7L LS1 Engine package over older Gen III variants because it represents the peak technical evolution of the fourth-generation F-body line. Because this is a final-production-year block, General Motors equipped this specific engine layout with the highly sought-after high-flow LS6 intake manifold natively from the factory, along with a revised valvetrain configuration and improved block casting molds that optimize internal oil gallery pressures.
Additionally, because the 2002 Trans Am 5.7L LS1 Engine in this package includes a factory-mated 4L60E electronic automatic transmission, it offers a remarkably smooth and highly versatile driving experience for cruisers and track builds alike. Weighing roughly 100 pounds less than standard cast-iron truck engines, this all-aluminum package maximizes front-to-rear vehicle weight balance when retrofitted into classic muscle cars, vintage sports cars, or lightweight project trucks. It serves as an exceptional baseline for mild performance modifications, aftermarket camshaft swaps, or custom tuning.
Freight Shipping Logistics and Universal Drivetrain Compatibility
This universal 2002 Trans Am 5.7L LS1 Engine drivetrain package serves as a direct factory replacement for 1998–2002 Pontiac Firebird Trans Am/Formula and Chevrolet Camaro Z28/SS automatic models, and stands as an exceptional premium engine swap foundation for vintage muscle cars, pro-touring machines, or custom street rods.
We anchor this entire heavy-duty V8 package onto an industrial wooden shipping pallet, wrapping the aluminum block, intake assembly, and automatic transmission in protective industrial shrink-wrap to isolate components from road vibrations during freight transit. All motor oils, transmission fluids, and cooling system residues are completely extracted prior to shipment to fully comply with nationwide highway freight transport protocols. To explore complementary conversion gear or alternative mounting setups, make sure to browse our General LS Engine Swaps Inventory or check out our catalog of Tested Automatic Transmissions to match this setup to alternative torque converters or gear layouts.
Frequently Asked Questions (FAQs)
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Can I use standard 87 pump gas with this F-body engine? While the factory computer network can adjust ignition parameters to prevent engine knock, using premium 91+ octane fuel is highly recommended to extract the full performance and efficiency from this all-aluminum platform.
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What is required to make this setup standalone for a classic car swap? For vintage vehicle integration, you will need a standalone wiring harness adapter and a professional software reflash to disable the factory VATS (Vehicle Anti-Theft System) security protocol inside the computer network.
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Where can I buy a reliable 2002 Trans Am 5.7L LS1 Engine package online? Our fully certified, compression-tested engine pullouts provide professional car and truck builders with an honest, completely documented, and dependable performance foundation.
Disclaimer: This pre-owned automotive powertrain package is sold intended for professional vehicle restoration, OEM replacement, or private custom engine swap applications. Professional installation, fresh fluid lines, and complete electronic calibrations are highly recommended to maximize field safety and component durability.
