270PCS O-Ring Set HNBR A/C Assortment Oil Proof Plumbing Auto Car AC Repair Kit

Hydrogenated Nitrile Butadiene Rubber (HNBR), also known as Highly Saturated Nitrile (HSN) is special class of nitrile rubber (NBR) and is for mission critical applications. 1 x Set Rubber O Ring. 4X Tailgate Hinge Pivot Bushing Insert Kit For Ford F Series Trucks Dodge Ram.