Made from hi-performance 60 KV rated alkyd molding compound for superior protection from arc-thru and cross-fire. Our cap and rotor kits include nylon rotor hold-down screws. Flame-Thrower dust covers provide a larger air gap around the coil which provi Product Features:PerTronix D4260 Flame-Thrower Distributor Rotor HEI/EST BlackMade from hi-performance 60 KV rated alkyd molding compound.