LS7 crate engine power for classic muscle cars, restomods, track builds, and serious performance projects. This genuine GM LS7 7.0L (427 cubic inch) V8 is the legendary engine behind the C6 Corvette Z06, delivering a factory-rated 505 horsepower at 6,300 RPM and 470 lb-ft of torque at 4,800 RPM on standard pump gas.
Built with competition-inspired hardware, this LS7 7.0L crate engine features a lightweight aluminum block, forged steel crankshaft, titanium connecting rods and intake valves, and CNC-ported high-flow aluminum cylinder heads. The 427 cubic-inch LS7 provides a strong foundation for high-performance builds where naturally aspirated power, throttle response, and high-RPM capability matter.
This complete package also includes a professionally calibrated ECU and simplified standalone wiring harness, making integration into a compatible custom chassis or classic vehicle more straightforward. A 1-year warranty is included for additional coverage.
Package Highlights & Specifications
- Sale Title: GM LS7 7.0L 427 C.I. 505 HP Crate Engine Package | Includes ECU, Standalone Wiring Harness & 1-Year Warranty
- Horsepower: 505 HP @ 6,300 RPM
- Torque: 470 lb-ft @ 4,800 RPM
- Displacement: 7.0L (427 cubic inches)
- Bore: 4.125 inches
- Stroke: 4.000 inches
- Engine Architecture: Gen IV small-block V8
- Block: Lightweight aluminum
- Crankshaft: Forged steel
- Connecting Rods: Titanium
- Cylinder Heads: CNC-ported aluminum
- Included Electronics: Pre-calibrated ECU and standalone wiring harness
- Warranty: 1-year warranty
Built for High-Performance LS7 Projects
The LS7 427 crate engine is a natural choice for classic muscle cars, restomods, pro-touring builds, and track-focused projects. Its 7.0L displacement and 505 HP factory rating deliver the kind of naturally aspirated performance that makes the LS7 stand out from smaller LS engines.
Before ordering, verify engine mounts, transmission compatibility, accessory configuration, fuel system requirements, cooling, exhaust clearance, wiring, and ECU integration for your specific application.
