Sierra 18-8817-1 Spark Plug Wire Set Kevlar core for maximum durability and long life; Durable stainless steel wound conductor for maximum horsepower and engine performance; Premium silicone jacketing and boots for the ultimate in high temperature protection; Superior RFI suppression for the most sensitive electronic system; Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity; Specifications: Ignition Type: Conventional; Cyl.: V8; Model: 454, 502 w/straight plug boots; Set Wire Lengths: (2) Spark Wires 29", (2) Spark Wires 34", (2) Spark Wires 38", (2) Spark Wires 44" (1) Coil Wire 12"; Interchangeable with: Mallory; 9-28039;