NPS VELOCITY HEADSDeveloped on our Superflow flowbench and dyno. Maximum torque and HP are the results!“NPS Engines are the best out there. I was able to compete on a national level in AMA Roadracing against the full factory teams”. Brandon Parrish Team BP Racing“150 Races.. 3 Yrs of racing and ZEROengine failuresNot many engine builders can say the same. I only trust Will@NPS with our engines”.Ryan GrethTeam Lesher/Hyper 1J On our Blog Page.The latest info on whats going on around the NPS Shop!Follow NPS on Facebook!NPS ENGINES have always been on the cutting edge of performance and technology since 1995. At NPS second place is never good enough! We always strive for being above the competition and the best in performance, technology and reliability. We have compiled some of our most popular products and specialty race engines on this website. Feel free to browse around and always call on us for any of your motorcycle engine performance needs. Whether its a 210hp GSXR superbike engine or a 140hp 600cc methanol burning Minisprint engine, We can do it!NEW!