SBC Chevy V8 Universal Black 8.5 mm Spiral Core Spark Plug Wires W/90 Deg Boots Brand New Universal Cut To Fit 8.5mm Black Spiral-Wound Core 90 Degree Spark Plug Wire Set These spark plug wires are constructed from a spiral-wound core with two layers of 100% silicon jacket that is rated at 600F They are RFI/EMI compatible for all ignition systems Zero electronic noise This 8.5mm will fit on either HEI or Point style distributors This Kit included (8) 90 Degree Spark Plug wires Lengths Are (2) 54" (2) 48" (2) 36" (2) 33" (1) Coil Wire (33" Long)