Taylor Cable’s 8mm Spiro-Pro Series outperforms the competition in both looks and performance at a price you can afford. Spiro-Pro is simply a top of the line high performance 8mm ignition wire and is an excellent choice for street or race applications. Spiro-Pro features a two-layer 100% silicone jacket to withstand temperatures up to 600º F. Each wire is terminated to specific lengths and features Taylor’s exclusive 100% Silicone low profile PROBOOTS® with vibration proof double spring locking spark plug terminals. TCW Wire Core is the ultimate solid core race ignition wire when RFI suppression is not a concern and when used with magnetos and point style ignition systems.