4 Cylinder Competition Heads "Stage Killers".

4 Cylinder Competition Heads "Stage Killers".

4 Cylinder Competition Heads "Stage Killers".

The absolute best offerings in competition cylinder heads. All D.O.A. Racing's heads are created on the engine's cubic inch, and rpms principal. There are zero "blanketed" attempts using the one size fits all mentality of our competitors.

Contact Me

Send a Message

Use this form to request a quote, ask technical questions, or get details on available components. Whether you're building from scratch or upgrading, I'm here to help with precision engineered solutions.