ProX Valve and Spring Kit Exhaust Kawasaki | 28.SES4409-1 GS310R Trailerable—Up to 65mph when “folded

Trailerable—Up to 65mph when “folded down”

so it fits the contours of your hood and utilizes a full-length rubber seal for a perfect

H13 LED lightbulb

they'll stand up to the abuse

ProX Valve and Spring Kit Exhaust Kawasaki | 28.SES4409-1 GS310R Trailerable—Up to 65mph when “foldedReplaces the OEM valves and valve springs Steel, nitrided valves for increased durability and less wear under extreme conditions Stronger valve springs deal with the extra weight of the steel valves Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and