Taylor ThunderVolt 8.2mm 40 ohm Ferrite Core Performance Ignition Wire Set Features: Only 50 OHMS Per Foot Resistance 100 Percent Silicone Two Layer Jacket Heat Protection Up To 600 Deg. Ferrite Spiral-Wound Coated Core RFI/EMI Compatible For All Ignition Systems Superior Spark Energy Horse Power Increases/Torque Gains Smoother Idle/Improved Fuel Economy Height: 10.00 Width: 11.50 Length: 3.00 Weight: 2.70 lbs