Orient Express offers several stages of cylinder head porting for street, road race, drag race, motocross and ATV engines. Orient Express offers precision cylinder head porting for mild or wild applications that when combined with other modifications and upgrades can offer incredible power increases. Some popular cylinder heads are kept in stock ready for immediate shipment (a core charge may apply), and can be purchased bare or complete with fresh valves, seats, guides and springs installed. Please call to discuss your requirements so we can custom tailor a performance package for you!