Pertronix Flame-Thrower Ignition Coil 40,000V Black Canister — 12V High-Output, Epoxy-Filled

The PerTronix Flame-Thrower Ignition Coil 40111 is a high-output, epoxy-filled 12V coil that produces up to 40,000 volts for reliable spark energy in electronic and distributor-based ignition systems.

If you’re upgrading an older ignition or replacing a worn coil, the Flame-Thrower 40111 delivers boosted voltage and rugged construction in a factory-friendly black canister. Designed to work with PerTronix Ignitor systems and many other inductive distributor ignitions, this coil is built for vehicles that need consistent spark delivery under everyday driving and higher-vibration conditions.

How does this coil improve ignition performance?

The higher secondary voltage helps the spark plug jump the air gap more consistently, which supports cleaner ignition events and better throttle response across the RPM range. It won’t change engine mechanics, but it supplies stronger, more stable spark energy than many stock coils.

• Delivers up to 40,000 volts for improved spark strength
• Optimized for electronic ignition systems for stable output
• Helps maintain consistent combustion and smoother throttle transitions

Is the Flame-Thrower 40111 easy to install and fit standard vehicles?

The coil’s OEM-style black finish and common canister dimensions allow it to fit many factory brackets and replacement locations. It’s epoxy-filled so it can be mounted in practically any orientation, and wiring follows standard coil-to-distributor connections used on most 12V inductive systems.

• Black canister matches factory brackets and mounting points
• Compatible with PerTronix Ignitor and many distributor-based systems
• Permits mounting in any direction thanks to epoxy fill

Will this coil withstand everyday use and higher vibration?

The Flame-Thrower 40111 uses an epoxy-filled canister to secure internal windings and resist shock and vibration commonly found in street and performance vehicles. That construction reduces the risk of internal damage from road harshness, keeping output consistent over time.

• Epoxy-filled core for enhanced vibration resistance
• Robust build suited for daily driving and spirited use
• Durable materials maintain performance under thermal and mechanical stress

What should I know before buying this coil?

Confirm your vehicle’s ignition type and connector style before purchasing; while the 40111 is broadly compatible with many inductive systems and PerTronix Ignitors, fitment can vary by model year and distributor design. This coil is for 12-volt systems and is intended as a direct replacement where specifications align.

• Intended for 12V electronic and distributor-based inductive ignitions
• Verify physical mounting and terminal layout for your vehicle
• Designed as a high-output replacement, not a change to ignition timing

Who is this for? The PerTronix Flame-Thrower 40111 is aimed at enthusiasts and technicians upgrading older ignition components, restorers replacing worn coils with a factory-friendly option, and drivers who need a dependable high-output coil that resists vibration. If you want stronger spark energy from a straightforward, bolt-in unit compatible with many PerTronix Ignitor setups and distributor-based systems, this coil is a practical choice.