Chevrolet Performance 7.0L LS7 427ci V8 Complete Crate Engine Package

Chevrolet Performance 7.0L LS7 427ci V8

The LS7 7.0L V8 is a high-performance Gen IV Chevrolet Small Block designed for serious street, restoration and custom performance applications. Its 427 cubic-inch displacement and high-revving design make it a popular choice for Corvette-inspired builds and LS engine swaps.

Chevrolet Performance specifications list 505 HP at 6,300 RPM and 470 lb-ft of torque at 4,800 RPM. The engine uses an aluminum block with six-bolt cross-bolted main caps, forged steel crankshaft and forged titanium connecting rods.

Key Specifications

• Engine: Chevrolet Performance LS7 Gen IV V8
• Displacement: 7.0L / 427 cu. in.
• Aspiration: Naturally aspirated
• Horsepower: 505 HP @ 6,300 RPM
• Torque: 470 lb-ft @ 4,800 RPM
• Bore: 4.125″
• Stroke: 4.000″
• Compression: 11.0:1
• Block: Cast aluminum
• Crankshaft: Forged steel
• Connecting Rods: Forged titanium
• Cylinder Heads: Aluminum, rectangular-port
• Maximum Engine Speed: 7,000 RPM
• Fuel: Premium gasoline

Common Applications

• Chevrolet Corvette C6 Z06
• Chevrolet Camaro Z/28
• Custom Corvette builds
• Classic muscle cars
• Restomod projects
• High-performance LS swaps
• Street and track performance vehicles

Package & Installation Notes

The LS7 package can include major engine components such as the intake/fuel-injection assembly and electronic throttle body depending on the exact part number. Chevrolet Performance documentation also notes that certain LS7 versions use a dry-sump oiling system, require an external oil supply and oil lines, and do not include engine electronics.

Custom installations may require:

• ECU/controller
• Wiring harness
• Electronic throttle pedal
• Engine mounts
• Compatible transmission
• Fuel system
• Cooling system
• Exhaust
• Dry-sump oil tank and lines where applicable