1.6mm thick aluminium base plate to suit the Toyota 4AGE 20v Blacktop throttle bodies (spacings are 87mm - 87mm - 87mm, fasteners are on 83mm centres) allowing fitment of the Pipercross PX500 range of air filters. Comes complete with 3x Female Dzus clips for mating to the male filter clips and necessary fasteners for securing to the throttle bodies.