Pertronix Flame-Thrower Ignition Coil 40611 — Black 40,000V 3.0Ω High-Output Epoxy-Filled

This compact, OEM-style black canister coil is built to boost spark energy while protecting ignition modules and points from excessive current draw. Designed for both street use and higher-vibration conditions, it mounts easily in standard coil brackets and supports a wide range of distributor-based inductive ignitions, including many applications using PerTronix Ignitor I systems.

How does this coil improve ignition performance?

The Flame-Thrower 40611 raises the available voltage to promote stronger spark delivery across the plug gap, which helps maintain consistent combustion. Its higher output supports smoother throttle response and can reduce missed or weak sparks under load.

• Delivers up to 40,000 volts for higher-energy sparks
• Maintains steady output under varying engine demands
• Helps improve ignition consistency at higher RPMs

Will it work with my vehicle’s ignition system?

This coil is engineered for 12-volt inductive ignition systems and is optimized for use with breaker points and PerTronix Ignitor I electronic modules. It also suits many distributor-based ignitions that need a higher primary resistance coil.

• 3.0 ohm primary resistance compatible with many modules and points
• Intended for distributor-style, inductive ignition setups
• Works well as a direct replacement in common coil brackets

How durable and easy to install is the 40611 coil?

The coil’s epoxy-filled canister cushions internal components against vibration and shock, allowing mounting in any orientation without performance loss. Its black, OEM-style finish fits standard brackets for a straightforward swap or upgrade.

• Epoxy-filled for improved vibration resistance
• Mountable in any position to simplify installation
• Black canister matches factory appearance for neat fitment

Does the 3.0-ohm design offer any protection?

The higher 3.0-ohm primary resistance reduces current draw through ignition modules and breaker points, which helps limit heat and electrical stress. This balance supports component longevity without sacrificing spark energy.

• 3.0 ohm primary resistance moderates module and point current
• Helps prevent premature wear from excessive current flow
• Maintains high secondary voltage for effective ignition

Who is this for: The PerTronix Flame-Thrower 40611 is ideal for classic car owners, hot-rodders, and anyone replacing or upgrading a distributor-based 12V ignition coil who wants stronger spark energy with solid protection for electronic modules and breaker points. It’s also a practical choice for vehicles that experience higher vibration or require a reliable, OEM-looking coil that fits standard mounting hardware.