MSD 6631 Ignition Control Module

For use in Circle Track and Professional Racing, with Fast Rev Limiter;<br><br>Professional race teams have been relying on the power and endurance of our 6 HVC Ignition Control. The advanced component design and circuitry of the 6 HVC Ignitions produce incredible voltage with high current output. Internally there is an efficient heat sync, solid component mounting and it's all encased in a clear epoxy. The rpm limit is adjustable with plug-in modules and the wiring is routed into NASCAR approved Deutsch style MSD connectors.<br><br>The Fast Rev limiter is very quick and accurate compared to our Soft Touch Rev limiter.;

• Includes built-in Fast rev limiter
• Must be used with HVC Coil PN 8250
• Built-in reverse polarity protection circuit
• 150 millijoules per spark up to 15,000 RPM
• 550 primary voltage output to coil
• Accepts breaker points, amplifier and magnetic pickup trigger inputs
• Multiple sparks for 20 degrees of crankshaft rotation
• 6-pin Weathertight connector, mandatory for NASCAR use
• Clear epoxy potting compound for vibration protection and clear base plate for easy tech inspection
• No CARB Exemption Order Number