Free shipping on orders over $99 (contiguous U.S.) — flat $10.99 under $99. Shipping details
Quantity
✓ In Stock• Only 5 left
Couldn't load pickup availability
Genuine MSD part.
The Fast Rev limiter is very quick and accurate compared to our Soft Touch Rev limiter.
MSD ignition control box, part number 6631, supplied new.
Key Features
150 millijoules per spark up to 15,000 RPM
Built-in reverse polarity protection circuit
Must be used with HVC Coil PN 8250
Accepts breaker points, amplifier and magnetic pickup trigger inputs
6-pin Weathertight connector, mandatory for NASCAR use
No CARB Exemption Order Number
Fitment
Universal application — check the specification below
This is a universal component sold by specification rather than by vehicle, so there is no year/make/model list for this product. Match the part number and the specification below against your own engine before ordering.
Specifications
Brand: MSD
Manufacturer Part Number: 6631
Item Type: Electrical
Color: Black
Connector Gender: Male Female
Connector Quantity: 3
Grade Type: Performance
Ignition Type: Performance
Maximum RPM: 15,000 RPM
Mount Type: Surface Mount
Mounting Hardware Included: Yes
Primary Voltage: 550
Product Type: Ignition Box
Secondary Voltage: 40,000
Spark Energy (mJ per spark): 150
Sub Category: Control Modules
Terminal Gender: Male Female
Terminal Quantity: 11
Voltage Required: 12-18
Country of Manufacture: United States
Condition: New
Shipping Weight: 4.7 lb
Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
