CHEVROLET 2631243135 Gm Engine Trans 19435108 6.2L 500HP 6L80E

( Brand: Chevrolet ), ( Manufacturer Part Number: 2631243135 ), ( Items Included: 6l80e Auto 6 Speed Trans, Dyno Test Sheet, Front Accessory Drive ), ( Fuel Type: Gasoline ), ( Type: Complete Assembly ), ( Ipn: 19435108 ), ( Manufacturer Warranty: 2 Years ), ( Oe/oem Part Number: 19435100 ), ( Engine Size: 6.2 L ), ( Number Of Valves: 16 ), ( Universal Fitment: Yes ), ( Country Of Origin: United States )

Review CHEVROLET Ohio Speed Shops Gm Chevy 6.2l 500hp Engine And Trans Package fits LS3

Introducing the high-performance Chevrolet LS3 6.2L V8 Engine with 500 horsepower and 6L80E Transmission, a powertrain combination that sets new standards in automotive engineering for enthusiasts and high-performance vehicle builders.

The LS3 engine is a masterpiece of modern engine design, boasting a displacement of 6.2 liters and delivering an impressive output of 500 horsepower at 6,000 rpm and 417 lb-ft of torque at 4,600 rpm. This powerhouse engine features an aluminum block and cylinder heads, forged crankshaft and connecting rods, and a high-performance camshaft. The engine also comes equipped with Active Fuel Management (AFM) for improved fuel economy during light-load driving.

The 6L80E 6-speed automatic transmission is a perfect match for the LS3 engine, providing quick and seamless gear changes. This advanced transmission features a wide ratio spread to optimize power delivery for high-performance applications, with a high torque capacity to handle the engine's impressive output. The 6L80E also includes TAP shift capability, allowing for manual control of gear changes using steering wheel-mounted paddles.

Together, the LS3 engine and 6L80E transmission form a powerful and efficient powertrain combination. This package is ideal for those seeking to build a high-performance vehicle, whether it be a custom hot rod, a race car, or a daily driver that delivers exhilarating performance. With its proven reliability, impressive power output, and smooth shifting transmission, this Chevrolet LS3 6.2L 500hp engine and 6L80E transmission are sure to exceed your expectations.

This engine and transmission are GM Original Equipment Manufacturer (OEM) parts, ensuring that they meet the highest standards of quality and performance. By choosing this combination, you can trust that you are getting genuine, high-performance parts that are backed by the expertise and reputation of General Motors.

In summary, the Chevrolet LS3 6.2L V8 Engine with 500 horsepower and 6L80E Transmission is a must-have for anyone seeking to build a high-performance vehicle. With its impressive power output, advanced transmission technology, and proven reliability, this powertrain combination is a true game-changer for automotive enthusiasts.

Buying a Chevrolet LS3 6.2L 500hp engine with a 6L80E transmission (part number 2631243135) can be an exciting prospect for those looking to upgrade their vehicle's power and performance. Here are some potential pros and cons to consider before making a purchase.

1. Power: The LS3 engine delivers an impressive 500 horsepower, making it a popular choice for those seeking high-performance engines.

2. Reliability: The LS3 engine is known for its durability and reliability, making it a good investment for those looking for a long-term solution.

3. Availability: The LS3 engine is widely available in the aftermarket, making it relatively easy to find and install.

4. Flexibility: The 6L80E transmission is a robust and versatile unit that can handle the power output of the LS3 engine. It also offers overdrive gears for improved fuel economy.

1. Cost: The LS3 engine and 6L80E transmission are not inexpensive upgrades. The cost of the engine alone can range from $8,000 to $12,000 or more, depending on the condition and market demand.

2. Installation: Installing the LS3 engine and 6L80E transmission requires significant mechanical expertise and resources. It can be a complex and time-consuming process.

3. Compatibility: Ensuring the LS3 engine and 6L80E transmission are compatible with your specific vehicle can be a challenge. It is essential to verify that all necessary modifications and adapters are in place before installation.

4. Performance trade-offs: While the LS3 engine and 6L80E transmission offer impressive performance, they can also result in some trade-offs. For example, fuel economy may suffer, and the vehicle's ride quality may be affected.

The decision to purchase a Chevrolet LS3 6.2L 500hp engine with a 6L80E transmission (part number 2631243135) ultimately depends on your specific needs, resources, and priorities. If you are looking for a high-performance engine with proven reliability and are willing to invest the time and money required for installation, then this upgrade could be an excellent choice for you. However, if the cost and complexity of the installation process are significant concerns, or if you prioritize fuel economy and ride quality over raw power, then you may want to consider alternative options.

Before making a purchase, it is essential to do thorough research and ensure that the LS3 engine and 6L80E transmission are compatible with your vehicle. Additionally, consider consulting with a professional mechanic or engine builder to help assess the feasibility of the installation process and the potential costs involved. Finally, be sure to shop around for the best possible price and quality when sourcing the engine and transmission.

Details:

Black billet fuel rails, plumbed for passenger side front inlet. Remote power steering reservoir, hose and fitting package. Self Learning Holley Terminator X Max engine and trans harness, ecu 3.5 touchscreen display. CVF Racing front accessory drives are available with or without A/C, P/S, Saginaw, GM Type II Hydro Boost power steering pumps.

90mm DBW throttle body. Your choice of engine block color: natural, black, Chevy orange or bright red. No transmission core/exchange charges. Transmission dipstick and tube NOT included.

Initial engine break-in on dyno prior to test and tuning. Holley DBW gas pedal. Setup for no return EFI fuel pump. Dyno Tested LS3 DBW 500HP with front accessory drive system and 6L80E transmission.

New HD Starter with bolts. GM OE LS3 intake manifold. Black, Polished and other finishes available. Flex plate, crank bolts, converter bolts and trans to engine.

Engine block: Aluminum. Engine Dyno Tested and Tuned. Black smooth top, cast aluminum coil/valve covers. Chevrolet Performance torque converter.

Engines are built as ordered so changes can be made Sachs: engine trim, serpentine drive configuration, paint, oil pan, etc. Chevrolet Performance shallow oil pan kit, included but not installed. Uses Dacron VI ATF, NOT included.

part #: 2631243135 prices

• $27.99-$124.97

specifications grokengines:

• for models: Ls3
• for makes: Chevy, Chevrolet
• brand: Chevrolet
• mpn: 2631243135
• items included: 6l80e Auto 6 Speed Trans, Dyno Test Sheet, Front Accessory Drive
• fuel type: Gasoline
• type: Complete Assembly
• ipn: 19435108
• manufacturer warranty: 2 Years
• oe/oem part number: 19435100
• engine size: 6.2 L
• number of valves: 16
• universal fitment: Yes
• country of origin: United States

offer grokengines:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: November 12, 2025
• quantity: 1

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• Car Truck Parts Accessories > Engines Engine Parts > Engines
• condition: New

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• type: Fixed

seller grokengines:

• # reviews: 413
• city: Niles, Ohio
• rating: 100.0%

returns grokengines:

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• time: 30 Days
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