Large internal support with parabolic cone that directs and amplifies air volume and velocity for increased top-end performance Round, straight cylinder shape provides even, 360? air intake down the intake tract Constructed of lightweight composite material; weighs from 260g complete Features a lightweight composite clear cone and one-piece molded base Redefine intake performance with an emphasis on convenience Stainless, nonabsorbing element Coast Guard approved Order one per carb. MULTI FIT F/A SING CLR