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Genuine MSD part.
Using upgraded components, the HEAT HEI module produces high output for stock and MSD applications plus has a built-in rev limiter that is more accurate and easier to set with the engine running.
MSD performance ignition distributor, part number 83647, supplied new.
Key Features
Fits in stock HEI distributors
Adjust the rev limiter without removing the cap!
Built-in adjustable rev limiter can easily be set externally
Advanced dwell control for improved high rpm output
Easily installs to non-computer controlled (4-Pin) HEI housings
Produces an incredible 8.5 amps of juice!
Fitment
Fits GM HEI distributor ignition
This part is built for the engine families named above rather than for one body style. Check your engine against that list before ordering.
Specifications
Brand: MSD
Manufacturer Part Number: 83647
Item Type: Electrical
Connector Gender: Male
Connector Quantity: 1
Distributor Type: HEI
Grade Type: Performance
Ignition Type: Performance
Maximum RPM: 10,000 RPM
Mount Type: Distributor Mount
Mounting Hardware Included: Yes
Product Type: Ignition
Sub Category: Control Modules
Terminal Gender: Male Female
Terminal Quantity: 3
Voltage Required: 12
Country of Manufacture: United States
Condition: New
Shipping Weight: 0.4 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.
