Hemi COP, 5.7L, '03-'05, Single

Fire up your late model Hemi with a set of MSD’s Blaster Coils.

PART# 8256

Suggested Retail: $62.37
Your Price:$56.13
Free Shipping on orders over $100*


The Coil is a direct bolt-in and are spec’d with superior materials and winding ratios to improve the output of the coil while retaining the factory fit.


  • Improved high rpm operation
  • Patented winding design and materials
  • Direct bolt-in to factory connectors
  • Turns Ratio: 63.1
  • Primary Resistance: .6 ohms
  • Secondary Resistance: 5.56K ohms
  • Inductance: 4.2 mH
  • Secondary Current (mA): 72 mA
  • Spark Duration: 1150 mS
  • Energy (mJ): 62 mJ
  • Maximum Voltage: 30,000


Emission Code1
Maximum voltage30,000
Primary resistance.6 ohms
Secondary resistance5.56K ohms
Spark duration1150 mS
Spark Energy62 mJ
Turns ratio63:1
WarningCalifornia Proposition 65

Tech Resources


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
WARNING FOR 8256: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
*Free Shipping & Handling only offered to the continental US on orders over $100.