April 17, 2015 Online Store No Comments +3 Rubber Insulator; Small Block Chev, PR 2142-2 C$33.00 Great for a budget build but will shake more than urethane insulators. In stock Quantity: 1 Add to Bag Product Details MPN: 2142 Stock-style GM rubber insulator for side mounts. Use with our #C005 frame mount kit. Price is for one pair. These insulators have an inside width, between the ears, of 2-5/8″. Motor mount kit not included. Save this product for later Favorite