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MSD Coil Current Booster for Ford Mod MotorsYouTube Button

Coil Current Booster for Ford C-O-P

The coil current booster provides added power to your Ford coil-on-plug engine to support additional horsepower and also provides a 2-step rev limiter to consistently launch your car off the line.

PART# 8740

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The MSD 8740 Coil Current Booster is designed for Ford Modular Engines with Coil-on-Plug ignitions that can benefit from additional spark energy to support high horsepower engines. The CCB increases the peak current at the ignition coil and spark energy at the plug gap. This makes it ideal to support engines with increased cylinder pressure from bumped up compression ratios, a shot of nitrous or boosted applications. The CCB has a built-in Two-Step rev limiter for consistent launches and quick 60-foot times at the track. The Two-Step RPM adjustments are made via two rotary switches adjustable from 1,000 - 10,900 rpm, in 100 and 1000 rpm increments. Plug-in to the factory wiring and hook up activation wires as needed and you're set.


  • Increased current at the ignition coil
  • Increased spark energy at the spark plug
  • Built-in Two-Step rev limiter for consistent launches and quick 60 foot times
  • Quick, Easy solution to increase ignition power on Ford Modular Engines
  • Factory style wiring connectors plug directly into stock coils and harness


Emission Code4
Features2-Step Rev Limiter
Product TypeCoil Current Booster for Ford C-O-P
Spark duration20% Over Stock
Spark Energy20% Over Stock
Voltage Required6 to 18 Volts
WarrantyLimited 1 Year Warranty
Part Number8740



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

Tech Resources

Warranty Information

Limited 1 Year Warranty: See Details


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