NGK Iridium Spark Plugs Yamaha SR400 - BPR6EIX PAR intercepting the signal sent to

intercepting the signal sent to the fuel injectors and changing it

Injection molded Krayton rubber with just the perfect amount of density and griptasity

Drop teeth on front/add teeth to rear = increased torque

Spools are NOT included

Koso 34mm Throttle Body will do just that and this is the required intake manifold to match that throttle body

NGK Iridium Spark Plugs Yamaha SR400 - BPR6EIX PAR intercepting the signal sent toNGK Iridium Spark Plugs Yamaha SR400 BPR6EIX FITMENT DISCLOSURE This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or