Five pc. side vent kit is a great addition to our four pc. kit, commonly used by those running turbo kits in order to try to remove the extra heat generated by the turbo. Kit includes two side vents for each side of the sled and a extra 5th vent for over the clutch. Vents are cnc cut from a durable flexible abs plastic. Coarse durable pvc coated mesh is solvent welded to the frames to create a permanent bond. Clutch side vents have a second prefilter layer to keep even the finest snow and water off your clutches. Kit includes black rivets and backing washers for installation.