SuperPro is a polyurethane elastomer based material and is a class of "Thermosetting" synthetic polymer that involves the reaction of various types of isocyanate resin with curing agents to give an extremely durable material with the best features of rubbber and plastic.
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received my Super Pro SPF1140K-Control Arm Lower - Inner Rear Bushing yesterday, but still, need few others bushing to complete the front suspension setup.
The list are:-
SPF2673K-Front Control Arm - Bush Kit
SPF2805K-Front Steering Rack & Pinion Mount Bush - Power Steering
SPF2092BK-Front Sway Bar Link Bushing Kit