Made in USA
7805 MSD-8 Plus Ignition Control For Use with 4, 6, 8-Cylinder Engines
InfoVehicle Info Needed
MSD IGNITIONPART NUMBER: 121-7805

7805 MSD-8 Plus Ignition Control For Use with 4, 6, 8-Cylinder Engines

$2,24995
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    MSD-8 Plus Ignition Control
  • For Use with 4, 6, 8-Cylinder Engines

    Operating Specifications

  • Spark Energy: 315-345 mJ per spark
  • Primary Voltage: 580 volts
  • Secondary Voltage: 50,000 volts (tested with Pro Power Coil)
  • Spark Series Duration: 20° crankshaft rotation
  • RPM Range: 15,000 RPM with 14.4 volts
  • Voltage Required: 12 or 18 VDC Negative Ground
  • Current Draw: 36 amps per 12,000 RPM
  • Size: 8.25" L x 3.75" W x 5.75" H
  • Weight: 4.85 lbs

    Note: Not legal for sale or use on pollution-controlled vehicles.




  • Extreme spark output
  • Built-in 2-step rev control
  • Compatible for 4, 6 and 8-cylinders
  • Single or dual coil output

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

The MSD 8-Plus Ignition Control is an upgrade of the original 8-Series that produces the same output but is in a smaller housing with a built-in 2-Step Rev Control that is capable of firing 2 coils at once for improved efficiency and racing performance.

Features:

  • Extreme Spark Output
  • Built-in 2-Step Rev Control
  • For 4, 6 and 8-Cylinder Engines
  • Works on Single or Dual Coil Output Systems
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Compatible Coils:

  • 121-8201
  • 121-8251
  • 121-8261

JEGS EZ Complete Kits are designed by JEGS professionals so you get all the parts you need.

Note: Not legal for sale or use on pollution-controlled vehicles.

Part TypeIgnition Control Module
Product LineMSD 8-Plus Ignition Control
BrandMSD IGNITION
Package Height7.6
Package Width7.6
Package Length10.3
Weight8.75 PG
Part CategoryPerformance Parts
Current Draw36 amps at 12,000 rpm
Rev LimiterYes
QuantitySold individually
Overall Length8.25 in (209.6 mm)
Spark Output (Millijoules)315-345 Millijoules
Data AcquisitionNo
CircuitryAnalog
Rpm15,000
Coil IncludedNo
Minimum Operating Voltage12 V
Ignition Box OutputCapacitive/Inductive discharge
Cd Voltage Output To Coil480 V
Part FitmentSemi Universal
Timing RetardNone
Ignition Box ColorGold
Maximum Operating Voltage18 V
Vendor Part Number7805
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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