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MSD Ignition 83647 - MSD Digital GM High Energy Modules with Rev Limiters

  • Ignition Control Module, Heat Digital HEI Module, With Rev limiter, Each
  • Application Specific
  • Estimated Ship Date: 5/29/2012
 
BrandMSD Ignition
Manufacturer's Part Number83647
Part TypeIgnition Modules
Product LineMSD Digital GM High Energy Modules with Rev Limiters
Summit Racing Part NumberMSD-83647
UPC085132836475
 
Module Pin Quantity4
QuantitySold individually.
Wiring Harness IncludedYes
 

These MSD Digital GM high-energy modules with rev limiters allow you to adjust the rpm limit between 5,000 and 10,000. True high-performance modules built for HEI distributors, they produce 50 percent higher coil drive currents than the stock module. This saturates the coil faster, which gives you more spark energy at top speeds. The results are increased horsepower and rpm range, and improved starting. When used with MSD's HEI coil, these plug-in modules create a potent high-energy spark to 10,000 rpm. MSD's GM HEI modules replace all 4-pin modules used in HEI distributors with a vacuum advance canister. They can be used with factory, aftermarket, or MSD HEI distributors.

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