These ACCEL 300+ wire sets are custom tailored for race engines and their builders. The oversize 8.8mm wire is rated for 600 degrees F and 60kV. Resists heat, chemicals and moisture. High density insulation eliminates arcing. Product Features:Ferro Spiral CoreSilicone Spark Plug Boots550 Degree Wire Temperature RatingMeets Or Exceeds OE Boot Temperature Rating
