Powerflex, Lower Engine Mount Insert (Large) Track, Price is for a pack Quantity in pack = 1, Made from our Purple 80A material, PFF85-504P fits vehicles up to mid-2008 and is recommended for track use or heavily modified vehicles. For vehicles from mid-2008 on use PFF85-704P. Being a stiffer material additional NVH may be experienced when fitting this part. , Road Series – for Road and fast Road use POWERFLEX Road Series bushes improve your cars’ road holding and chassis performance by controlling the amount of unwanted flex in the suspension. This means the suspension is doing what it is supposed to. It means your tyres have greater contact with the road at all times, therefore, improving safety and performance. Correctly formulated polyurethane is as good if not better at noise, vibration and harshness suppression when compared to worn rubber. Our Road bushes offer Prolonged tyre life, Improved performance, Increase safety, Greater cost-effectiveness.