MJB Engineering
Billet Hi Flow Air Cleaners

MJB RiserBoy Billet HI-FLOW Oval Air Cleaner for Triple Carbs
Constructed of Billet 6061T6 Aluminum plate Polished
Uses risers to fit your carburetors. Must add riser height to Carb-Top height for total height.
Crankcase Ventilation holes available
Lifetime K & N Filters and all Stainless Steel hardware
Different Filter Heights are available - internal mount available
Usually requires top filter hold down bar kit


Part # "E" Height "T" Height Carb-Top (Nut)
RB331 3.125" 2.625" 3.250"
RB335 3.560" 3.060" 3.685"
RB338 3.825" 3.325" 3.950"
RB347 4.750" 4.250" 4.875"
RB352 5.250" 4.750" 5.375"
Click on an image below for a larger view..
Super Hi Quality Made in The USA