About DRD

DRD Online Store

Shop Online with our store, hunderds of proven and tested aircooled parts, We ship world wide!

» Click here, to visit the DRD RACING HEADS online Store

About DRD

DRD Thinking Outside The Box:
Research and Development

DRD a engineering based company, has over 35 years experience with  VW-Porsche Air-cooled specific engines.  Over the years, we have developed head porting formats and engine configurations, that have been proven repeatedly on the street, race track, and off road. WE have multiple Championship wins.
At DRD, we have all the machines and tools under our roof to have full control on our products. You have found your  1 stop shop for all your needs, real experience and advice, support, parts, and machine work and proven engine kits, we simply sell what works!


See how DRD puts our R&D to the test
» CNC Technology – Custom Head Porting & Design
» Dyno Services – Performance Engine Design & Tuning

Contact Us

3016 S Orange Ave
Santa Ana, Ca 92707 USA
Phone 714-545-4100
Hours of operation M-F 8-4PM
Walk in customers by appointment only
(Email) drdracingheads@gmail.com

Technical Help!

We have over 30 years with aircooled engines, We offer technical help to get you up and running, if you have a question, ask away!

DRD CNC Ported Heads Featured

TYPE 1 DRD CNC Ported Heads