CHEVROLET 2751256111 Deluxe Engine 19435104 540HP 3621448111

( Manufacturer Part Number: 2751256111 ), ( Items Included: Dyno Test ), ( Fuel Type: Gasoline ), ( Type: Engine Package ), ( Ipn: 19435104 ), ( Manufacturer Warranty: 2 Years ), ( Engine Size: 6.2 L ), ( Number Of Valves: 16 ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: Yes )

Review CHEVROLET Ohio Speed Shops 540hp Deluxe Engine Package fits LS3

The Chevrolet LS3 540hp Deluxe Engine, specifically identified by the part numbers 2751256111 and 3621448111, is a high-performance powerhouse designed for those seeking exceptional power and sophistication. This engine is an evolved version of the legendary LS3 engine, boasting an increased horsepower output of 540.

At its core, this engine features a 6.2L (376 cubic inches) aluminum block with a cast-iron cylinder head. It comes with a high-performance 4160 intake manifold, allowing for greater airflow and improved combustion efficiency. The engine's cylinder heads incorporate large, 2.165-inch (55.0mm) intake valves and 1.59-inch (40.4mm) exhaust valves, ensuring optimal power output.

The LS3 Deluxe Engine is equipped with a high-performance camshaft, featuring a longer duration and increased lift for more aggressive valve movement. This results in improved engine breathing and increased power output. Additionally, the engine comes with a high-performance cooling system, which includes a heavy-duty water pump, a large radiator, and a thermal management system.

The engine's fuel system consists of a high-performance, multi-point electronic fuel injection system. This system ensures precise fuel delivery, while the engine management system optimizes ignition timing to maximize power output and improve fuel efficiency.

The LS3 Deluxe Engine also comes with a forged steel crankshaft, forged steel connecting rods, and powdered metal pistons. These components are designed to withstand the increased power output of the engine and provide superior durability. The engine's oiling system features a high-capacity oil pump and a deep sump design, ensuring adequate oiling even during high-performance driving.

The engine's accessories include a heavy-duty power steering system, an alternator capable of delivering 170 amps, and a high-capacity air conditioning compressor. These accessories are designed to provide optimal performance and reliability, even under heavy load.

In summary, the Chevrolet LS3 540hp Deluxe Engine, part numbers 2751256111 and 3621448111, is a high-performance powerhouse designed for those seeking exceptional power and sophistication. With its increased horsepower output, advanced components, and robust accessories, this engine is an ideal choice for those looking to upgrade their vehicle for unrivaled power and performance.

Chevrolet LS3 540hp Deluxe Engine (3621448111): A Detailed Analysis

The Chevrolet LS3 540hp Deluxe Engine (3621448111) is a high-performance powerplant that is widely popular among car enthusiasts. This engine offers impressive power and torque, making it an excellent choice for those seeking to enhance the performance of their vehicles. In this analysis, we will discuss the pros and cons of purchasing this engine to help you make an informed decision.

1. Power and Performance: With 540 horsepower and 510 lb-ft of torque, this engine delivers exceptional power and performance. It can significantly enhance the acceleration and top speed of a vehicle.

2. Durability: The LS3 engine is known for its durability. It uses a forged crankshaft, forged pistons, and other high-strength components, which help it withstand the rigors of high-performance driving.

3. Flexibility: This engine can be installed in various types of vehicles, including muscle cars, trucks, and hot rods. It can also be used for racing applications.

4. Availability of Parts: The LS3 engine is a popular choice, which means that a wide range of parts and accessories are available in the aftermarket. This makes it easier to maintain and modify the engine.

5. Fuel Efficiency: Although the LS3 engine is a high-performance powerplant, it offers relatively decent fuel efficiency for its power output.

1. Cost: The Chevrolet LS3 540hp Deluxe Engine is a premium engine, and it comes with a premium price tag. The cost of the engine itself, as well as the cost of installation and any necessary modifications, can add up quickly.

2. Complex Installation: Installing the LS3 engine in a vehicle can be a complex process. It requires specialized knowledge and tools, which can add to the cost and time involved in the installation.

3. Compatibility: The LS3 engine may not be compatible with all vehicles. It requires specific engine bay dimensions and other factors to fit correctly.

4. Emissions: The LS3 engine produces a significant amount of emissions, which can be a concern for those seeking to reduce their carbon footprint.

5. Noise: The LS3 engine is a loud engine, which can be a drawback for those seeking a quieter driving experience.

The Chevrolet LS3 540hp Deluxe Engine (3621448111) offers impressive power and performance, durability, and flexibility. However, it also comes with a high cost, complex installation, compatibility issues, and noise concerns. If you are seeking to significantly enhance the performance of your vehicle and are willing to invest the time, money, and effort required to install and maintain the engine, then the LS3 engine is an excellent choice. However, if you are looking for a more affordable, quieter, or more emission-friendly option, then you may want to consider alternative engines. Ultimately, the decision to purchase the LS3 engine depends on your priorities, budget, and vehicle requirements.

Details:

CVF Racing front accessory drives are available with or without A/C, P/S, Saginaw, GM Type II Hydro Boost power steering pumps. Polished fabricated aluminum coil covers. Dyno Tested LS3 540HP with front accessory drive system. Setup for no return EFI fuel pump.

102mm cable drive throttle body with bracket. New HD Starter with bolts. Initial engine break-in on dyno prior to test and tuning. Engines are built as ordered so changes can be made such as: engine trim, serpentine drive configuration, paint, oil pan, etc.

Silver fabricated aluminum intake manifold. Remote power steering reservoir, hose and fitting package. Engine block: Aluminum. Self Learning Holley Terminator X engine harness, ecu and 3.5 touchscreen display.

Also Available in 450HP, 465HP, 525HP, 530HP, 605HP versions and with TKX 5-speed, T56 6-speed, 4L65E 6L80E transmissions. Black, Polished and other finishes available. Your choice of engine block color: natural, black, Chevy orange or bright red. Engine Dyno Tested and Tuned.

Black billet fuel rails, plumbed for drivers side rear inlet.

part #: 2751256111 prices

• $21975.00-$22200.00

specifications grokengines:

• for models: Ls3
• for makes: Chevrolet
• mpn: 2751256111
• items included: Dyno Test
• fuel type: Gasoline
• type: Engine Package
• ipn: 19435104
• manufacturer warranty: 2 Years
• engine size: 6.2 L
• number of valves: 16
• country/region of manufacture: United States
• universal fitment: Yes

returns grokengines:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

payments grokengines:

• credit card: Diners-club
• other
• wallet: Google-pay

offer grokengines:

• options: Ship-to-home
• started: September 26, 2025
• quantity: 1
• availability: In Stock
• sold: 0

shipping grokengines:

seller grokengines:

• city: Niles, Ohio
• rating: 100.0%
• # reviews: 397

general grokengines:

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

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