Powerflex Polyurethane Bush kit for Universal Bushes Top Hat Bushes Universal Kit Car Bush For Buggie - PF99-112 - This bush is made in our stiffer Shore A 95 black material, more suited to smooth road and track use. For off road we would recommend using PF99-112P which is made in our Shore A 80 purple material. Bush Dimensions. Body Diameter = 43.2mm, Height = 25mm. Large Diameter = 50.75mm, Height = 7.5mm. Sleeve Length = 66mm, Bolt Hole = 12mm. - Bush Size: - PRICE IS PER CAR KIT, NOT per bush. Powerflex usually price their bushes singly, but we have combined the QTY and price to keep it simple for you!