Cool Head Dome Set (PD303) by Pro Design®. Volume: 17 cc. Billet aluminum/CNC cylinder heads are available for many high performance applications. These state-of-the-art heads have replaceable combustion chambers for easy tuning, or custom order for your application (altitude, port timing, and fuel, etc.). Up to 70% better cooling, increased reliability and CAD assisted designed combustion chambers insure maximum performance. Standard (sea-level, pump gas, standard port timing) combustion chamber sizes indicated. Custom order combustion chambers as needed.
- Cutting-edge solutions for your motorcycle or ATV/UTV
- Perfect for both amateur and professional riders
- Designed for top-of-the-line comfort and rugged dependability
- Will let you venture through unexplored terrains with confidence
- Made with precision to give you a perfect fit and best-in-class performance
- Can withstand the toughest conditions of vigorous driving, year in, year out