If you have a fan housing with outlets but don't have heating on your Dub then you want to block them off so it directs more air over the oil cooler ,cylinder heads and cylinder barrels. these are 45mm external diameter, Check your fan housing holes as sizes do differ. They are a snug fit but you can drill and screw them on the sides if you prefer. *****Supplied in either gold or silver zinc, Currently stock is silver*****.
