Custom Engines - Greg's Cylinder Heads | High-Performance Engine Builds

Built for Performance

Custom engines designed and built for your specific application

At Greg's Cylinder Heads, we don't just build engines - we craft performance solutions. Each custom engine is meticulously planned and built to meet your exact performance goals, whether it's for a street rod, marine application, or racing.

With over 45 years of experience, we understand that every application is unique. That's why we take the time to understand your needs and build an engine that delivers the performance, reliability, and character you're looking for.

Quality Takes Time

We don't rush our work. Custom engines are built by appointment only, ensuring each build receives the attention and craftsmanship it deserves.

Custom Engine Applications

Specialized builds for every performance need

Street Rod Engines

Classic muscle car engines rebuilt for modern performance and reliability. Perfect balance of power and drivability for street use.

Modern performance with classic character
Reliable daily driving capability
Period-correct appearance
Enhanced fuel efficiency options

Marine Engines

High-performance marine engines built to withstand the demanding marine environment while delivering exceptional power.

Corrosion-resistant components
High-output performance
Marine-specific cooling systems
Offshore racing capability

Racing Engines

Purpose-built racing engines designed for maximum performance and reliability under extreme racing conditions.

Maximum horsepower output
Race-proven reliability
Lightweight construction
Competition-ready specifications

Our Build Process

From concept to completion - how we build your dream engine

Consultation

Detailed discussion of your goals, application, and performance requirements.

Design

Custom engine specification and component selection tailored to your needs.

Build

Precision assembly using the finest components and proven techniques.

Testing

Comprehensive testing and break-in procedures to ensure optimal performance.

Why Choose Our Custom Builds

45+ Years Experience

Decades of engine building expertise and proven track record of success.

Quality Components

Only the finest parts and materials from trusted manufacturers.

Precision Assembly

Meticulous attention to detail and proper assembly procedures.

Personal Service

Direct communication with Greg throughout your build process.

Custom Engine Builds