351 5.8 Liter Engine High Performance Emblems in Chrome & Red - 4" Long Pair Chrome plated featuring black characters with red numbers Sold as a pair; Each emblem measures 4.0" long and 1.5" tall Works best on vehicles equipped with 351 engines; Clevelands, Windsors and other blocks Adhesive backed for an easy peel-and-stick installation Backing made of durable, semi-flexible plastic