Dynojet Carburetor Jet Kit Honda Vt750C2 Shadow Spirit Features: Increase power and smoothness throughout the entire rev range, while maintaining optimum fuel economy Kit includes comprehensive instructions which show step-by-step installation and testing procedures to ensure a perfect setup every time This stage 1 and 2 kit is fully adjustable to allow the use of well-designed aftermarket pipes and stock replacement air filters In most cases power increases of 5-8 can be achieved