This nylon, "Christmas tree" style firewall insulation retainer is 1-5/16" in length. Most applications take 9 pieces. Replaces GM# 3730562

Replace that dried-up torn or missing firewall insulator with a new one molded from tough ABS material. Made to fit transmission and firewall curves just like the originals. Not just a "stretched" piece of cardboard that fits poorly. Insulators are shipped ready to install; no cutting required. Give your restoration a finished appearance! These firewall insulators are a show quality piece and Made in the USA! This part is oversize and special freight charges will apply. Call or email us for a freight quote.