Pertronix Flame Thrower II High Performance Ignition Coils - Maximise spark voltage with these 45,000 volt performance coils..6 ohm primary reistance Works great with Ignitor II electronic ignitions, CD Systems, or ignitions using an external resistor. Compatible with blade or eyelett primary connections. These canister style oil filled coils are available in chrome (70027) or black (70025). Use the black to maintain a stock look. Legal in all 50 states and Canada CARB E.O. #D-57-10. Made in the USA. 90 day manufacturer's warranty. Use (70046) chrome plated coil bracket with this coil.