SUNDELY 6" Blue Color Spark Plug Wire Boot Thermal Heat Shield Protector Cover Sleeve Insulator (4 pieces in this offer) 6" Spark Plug Wire Boot Thermal Heat Shield Protector Cover Sleeve Insulator (4 pieces in this offer) Color: Blue (as pictures), 4 pieces in this offer Length: 6 inches (15.2 cm), Material: High temperature resistant glass fiber material with coating Fits most hot rods and classics engines including for GM, Chevy, GMC, OLDS, CADILLAC, PONTIAC, Buick, Ford, Mopar, Chrysler, Dodge and Plymouth Fits for 260, 265, 273, 283, 289, 302, 305, 307, 318, 326, 327, 330, 340, 347, 350, 351C, 351M, 351W, 352, 360, 361, 383, 390, 396, 400, 400M, 402, 406, 413, 426W, 427, 428, 429, 440, 454, 455, 460, 472, 502 engines.