LS3 6L80 Engine For Sale – Powerful GM V8 With Reliable Automatic Transmission

Upgrade your performance build with the LS3 6L80 Engine For Sale, a factory-designed GM combination of the legendary LS3 6.2L V8 and the smooth-shifting 6L80 6-speed automatic transmission. Perfect for engine swaps, restorations, and high-performance builds, this package offers reliable power, modern technology, and proven drivability.

Whether you’re building a muscle car, street machine, or track-focused vehicle, this LS3/6L80 combo delivers performance you can trust and enjoy immediately.

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LS3 6L80 Engine For Sale – Engine Overview

The LS3 engine is a 6.2-liter naturally aspirated V8 from GM’s Gen IV LS family. It is paired with the 6L80 automatic transmission, a heavy-duty 6-speed unit designed to handle high torque while delivering smooth shifts and excellent reliability.

Key Specifications:

• Engine Code: LS3
• Displacement: 6.2L (376 cubic inches)
• Configuration: V8
• Aspiration: Naturally Aspirated
• Block Material: Aluminum
• Cylinder Heads: Aluminum
• Fuel System: Port Fuel Injection
• Horsepower: 426 HP (stock)
• Torque: 420 lb-ft
• Transmission: 6L80 6-Speed Automatic

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LS3 6L80 Engine For Sale – Performance and Reliability

The LS3 is known for strong torque, smooth power delivery, and high reliability, making it ideal for both street and performance builds. The 6L80 transmission complements the LS3 with precise gear ratios, durability, and easy integration into modern or classic GM platforms.

Key Performance Features:

• High-flow cylinder heads for maximum breathing
• Balanced rotating assembly for smooth operation
• Proven durability under high-stress applications
• Easy compatibility with aftermarket parts

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LS3 6L80 Engine For Sale – Vehicle Compatibility

This LS3/6L80 package is perfect for:

• Camaro, Corvette, and Pontiac GTO swaps
• Classic muscle car restorations
• Street or track performance builds
• Custom GM and LS-based projects

The LS3/6L80 combo offers excellent direct-fit potential for many GM vehicles and a solid foundation for high-performance tuning.

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LS3 6L80 Engine For Sale – FAQ Section

What is included in the LS3 6L80 package?
Typically, the LS3 long block comes paired with the 6L80 automatic transmission. Accessories, wiring, and ECU may vary depending on the listing.

How much horsepower does the LS3 make?
Factory output is 426 HP with 420 lb-ft of torque. Aftermarket upgrades can increase power significantly.

Is the LS3 6L80 combo suitable for swaps?
Yes. The LS3 engine and 6L80 transmission are popular for performance swaps due to strong aftermarket support and reliability.

Does it require tuning?
Basic tuning may be needed depending on the vehicle, exhaust, and intake setup to maximize performance.

Can the LS3 handle upgrades?
Absolutely. LS3 engines are highly tunable, supporting intake, camshaft, exhaust, and forced induction upgrades.

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LS3 6L80 Engine For Sale – Product Highlights & Specifications

Engine Highlights:
🔥 Naturally aspirated 6.2L V8 for smooth, reliable performance
🔥 426 HP and 420 lb-ft of torque stock
🔥 Aluminum block and heads for reduced weight
🔥 Paired with durable 6L80 automatic transmission
🔥 Strong aftermarket support and upgrade potential

Engine Specs:

• Type: Naturally Aspirated V8
• Displacement: 6.2L
• Fuel System: Port Injection
• Block Material: Aluminum
• Horsepower: 426 HP
• Torque: 420 lb-ft
• Transmission: 6L80 6-Speed Automatic

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LS3 6L80 Engine For Sale – Warranty, Shipping & Buyer Confidence

Warranty & Quality Assurance:
All LS3 6L80 engines are tested for reliability and may include manufacturer or seller-backed warranty options depending on the listing.

Shipping & Handling:

• Professionally crated for safe transport
• Nationwide shipping available
• Fast processing with tracking

Buy With Confidence:
✔ Factory-quality LS3 long block
✔ Durable 6L80 transmission
✔ Clear engine documentation
✔ Dedicated customer support

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LS3 6L80 Engine For Sale – Comparison (LS3 vs LT1 vs LT4)

Feature	LS3	LT1	LT4
Aspiration	Naturally Aspirated	Naturally Aspirated	Supercharged
Horsepower	426 HP	455+ HP	~650 HP
Torque	420 lb-ft	455+ lb-ft	~650 lb-ft
Technology	Gen IV	Gen V	Gen V Supercharged
Swap & Build Appeal	Moderate	High	Extreme

Why choose the LS3 6L80 package?
It offers proven GM reliability, smooth automatic transmission, and solid stock horsepower, making it a perfect starting point for many performance builds.

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LS3 6L80 Engine For Sale – Call to Action

Upgrade Your Project With LS3 6L80 Power

The LS3 6L80 Engine For Sale is ideal for performance enthusiasts seeking reliable GM V8 power with a smooth automatic transmission. Perfect for swaps, restorations, and street/track builds.

👉 Order now and bring proven GM V8 performance to your project today. Smooth, reliable, and ready to deliver classic LS power.