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MSD

MSD 6631 Ignition Control Module

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Key item features

Integrated Limiter: Features a built-in Fast rev limiter for precise RPM control, offering quicker and more accurate limiting compared to Soft Touch Rev limiters.
Powerful Output: Delivers 150 millijoules per spark up to 15,000 RPM and a 550 primary voltage output to the coil, requiring use with HVC Coil PN 8250.
Versatile Triggering: Accepts multiple trigger inputs including breaker points, amplifier, and magnetic pickup, providing flexibility for various ignition systems.
Robust Protection: Incorporates a built-in reverse polarity protection circuit and clear epoxy potting compound for enhanced vibration protection and durability.
Racing Compliance: Equipped with a 6-pin Weathertight connector, mandatory for NASCAR use, and a clear base plate for easy technical inspection.
Multi-Spark Performance: Provides multiple sparks for 20 degrees of crankshaft rotation, enhancing combustion efficiency.

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Specs

Vehicle model
6631
Brand
MSD
Features
Adjustable
Vehicle fitment type
Specific
Automotive parts division
Performance
Vehicle type
Car

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Columbus, 43215

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About this item

Product details

For use in Circle Track and Professional Racing, with Fast Rev Limiter;

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.

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

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Specifications

Vehicle model

6631

Brand

MSD

Features

Adjustable

Vehicle fitment type

Specific

Warranty

Warranty information

Manufacturers Limited 1 Year Warranty

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