GM Performance 454ci LSX Long-Block V8 and 6L80E 6-Speed Automatic Transmission

The combination of the Chevrolet Performance LSX 454 and the 6L80E transmission is the ultimate “heavy-hitter” setup for modern pro-touring and street-strip builds. It pairs a massive, high-revving naturally aspirated big-inch small block with a robust, wide-ratio 6-speed automatic.

Listing Details

• Engine Number: 23083007
• GM Performance 454ci LSX Long-Block V8
• GM Performance 6L80E Six-Speed Automatic Transmission
• Gen IV Small Block
• Cast Aluminum LSX-Branded Cylinder Heads
• Forged Aluminum Pistons
• Plasmaman Billet Anodized Intake Manifold
• Moroso High-Clearance Oil Pan
• Tru-Ram Polished Stainless Steel Headers
• ICT Eight-Bolt Flywheel
• Build Invoice

The GM Performance 454ci LSX Long-Block V8 paired with the 6L80E 6-speed automatic transmission represents one of the most desirable modern high-performance drivetrain combinations available for:

• Pro-touring builds
• Street-strip projects
• Restomod muscle cars
• High-horsepower custom applications

This setup combines:

• Massive naturally aspirated displacement
• Modern Gen IV LS architecture
• High-RPM capability
• Strong automatic transmission performance

The result is a powerful, reliable, and highly tunable drivetrain package capable of handling serious horsepower while maintaining excellent street manners.

Listing Details

Included Components

• GM Performance 454ci LSX Long-Block V8
• GM Performance 6L80E Six-Speed Automatic Transmission
• Plasmaman Billet Anodized Intake Manifold
• Moroso High-Clearance Oil Pan
• Tru-Ram Polished Stainless Steel Headers
• ICT Eight-Bolt Flywheel
• Build Invoice Documentation

Engine Number

• 23083007

Engine Specifications

Key Features

454ci LSX Long-Block

The LSX 454 combines:

• Large displacement torque
• Modern LS airflow characteristics
• High-performance internal components

Benefits include:

• Massive horsepower potential
• Excellent throttle response
• Strong durability under high load

Forged Internal Components

Includes:

• Forged aluminum pistons
• Heavy-duty rotating assembly components

Designed to support:

• Aggressive performance builds
• High RPM operation
• Serious street and track applications

Plasmaman Billet Intake Manifold

Premium intake setup featuring:

• Billet anodized construction
• High-flow intake design
• Enhanced airflow efficiency

Moroso High-Clearance Oil Pan

Provides:

• Improved chassis clearance
• Better oil control during performance driving
• Enhanced reliability under hard acceleration and cornering

Tru-Ram Stainless Headers

Polished stainless steel headers designed for:

• Improved exhaust flow
• Increased performance efficiency
• Aggressive performance appearance and sound

GM 6L80E Six-Speed Automatic Transmission

The 6L80E offers:

• Wide-ratio gearing
• Strong torque-handling capability
• Excellent highway drivability
• Smooth shifting characteristics

Popular in:

• Modern LS swaps
• Pro-touring applications
• High-performance street builds

Ideal Applications

This drivetrain combination is commonly used in:

• Chevrolet Camaro builds
• Chevrolet Chevelle restorations
• Chevrolet Nova restomods
• Chevrolet C10 performance trucks
• Custom street-strip projects
• High-end pro-touring vehicles

Condition & Installation Notes

Professional installation and tuning are strongly recommended for:

• ECU calibration
• Transmission integration
• Fuel system configuration
• Cooling system setup
• Driveline compatibility

Buyers typically verify:

• Compression specifications
• ECU compatibility
• Accessory drive setup
• Transmission controller requirements