Classic Dress LS3 525HP Crate Engine by EngineAtomy

Legendary LS3 Power with a Premium Turnkey Design

The Classic Dress LS3 525HP Crate Engine by EngineAtomy combines iconic LS3 performance with a fully dressed, show-quality appearance designed for classic cars, hot rods, restomods, and custom builds. Built around the proven 6.2L LS3 platform, this engine delivers an impressive 525 horsepower with the reliability, drivability, and performance expected from a modern GM V8.

Designed for enthusiasts who want both performance and presentation, the Classic Dress package provides a clean, complete engine solution that reduces installation time while creating a stunning centerpiece for any engine bay.

Performance Meets Classic Style

The LS3 525 features the legendary Gen IV small-block architecture with a lightweight aluminum block, high-flow cylinder heads, and performance-focused components designed to deliver strong horsepower throughout the RPM range. Chevrolet Performance rates the LS376/525 configuration at 525 horsepower and 486 lb-ft of torque, with a hydraulic roller camshaft and LS3-based design for excellent street performance.

Whether you’re building a pro-touring machine, classic muscle car, or custom street rod, this engine offers the perfect balance of modern technology and traditional V8 excitement.

Key Features

• EngineAtomy Classic Dress LS3 525HP Crate Engine
• 6.2L (376CI) Gen IV LS3-based V8
• Approximately 525 horsepower
• High-performance LS3 aluminum engine platform
• Hydraulic roller camshaft
• High-flow LS3 cylinder heads
• Fully dressed presentation-ready package
• Designed for hot rods, muscle cars, restomods, and custom vehicles
• Premium components selected for reliability and performance
• Ideal for builders looking for a clean, complete LS swap solution

Fully Dressed for Easy Installation

The Classic Dress LS3 package is designed to provide a complete engine appearance and simplified installation experience. Instead of sourcing individual accessories and components, this turnkey-style package gives builders a professionally finished engine ready to become the heart of their project.

EngineAtomy offers support with selecting the correct swap components, including:

• Engine mounts
• Headers
• Serpentine pulley systems
• Transmission options
• Additional LS conversion components

Why Choose the Classic Dress LS3 525?

• Legendary LS3 performance and reliability
• 525 horsepower naturally aspirated V8 power
• Premium appearance for show-quality builds
• Excellent choice for classic vehicle conversions
• Modern LS technology with traditional muscle car appeal
• Professionally prepared for performance enthusiasts

The Classic Dress LS3 525HP Crate Engine by EngineAtomy delivers the perfect combination of horsepower, reliability, and timeless styling—giving your classic build the modern performance it deserves.