ACCEL 8140HV Superstock High Vibration Coil Completely encased in high temperature epoxy to protect the windings and internal connections from the harsh vibration and impacts that can destroy other oil filled canister style coils Ideal for off road use Engineered to improve high rpm power and deliver quicker starts and instant throttle response Universal design is compatible with both import and domestic vehicles Features reengineered windings for maximum energy output heavy duty Alkyd towers that provide flashover protection to primary terminals and crimped and soldered internal connections that ensure positive contacts