The Polyurethane Bush Kit for the Holden Colorado RG, Isuzu D-MAX RG & TF, LDV T60 and Mazda BT-50 2012-2022 provides precise spring location and enables lubrication to increase suspension flex and comfort.Injection-moulded polyurethane High-density injection-moulded polyurethane material ensures precise location and a durable bearing surface for your leaf springs, making them very durable in hot temperatures whilst providing a soft - Comfortable vehicle ride. GreaseablePolyurethane bushes are greaseable to aid in longer life and ensure a smooth ride and quiet operation. Spiral Bore and FlangesTo distribute lubricating grease evenly throughout the bushing surface when combined with greaseable shackles and pins. SplinesAllows the bush to conform to irregularities and grip to the eye surface.Image for illustrative purposes only.