Made in USA
Pro Mag 20 Generator Sprint Car, Drag Race, Circle Track
InfoVehicle Info Needed
MSD IGNITIONPART NUMBER: 121-81602

Pro Mag 20 Generator Sprint Car, Drag Race, Circle Track

$2,69895$2999.95You Save$301.00
ShippingShips on 09/09/2026
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Pro Mag 20 Amp
    Pro Mag 20 Generator
  • Sprint Car, Drag Race, Circle Track
  • 20 Amp, Male/HEI Cap, Band Clamp
  • Counterclockwise Rotation

    Includes Pro Mag Generator Band Clamp

    Specifications:
  • Primary Current: 20 Amps
  • Spark Energy: 240 millijoules (at the gap)
  • Secondary Voltage: 40,000 Volts
  • Secondary Current: 300 MilliAmps
  • Spark Duration: 26° Crankshaft Rotation
  • RPM Rating: Through 14,000 rpm

    Note: Requires use of Electronic Points Box 121-8106.

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

Part TypeMagneto
BrandMSD IGNITION
Package Height8.0
Package Width8.0
Package Length18.0
Weight12.0 PG
Part CategoryPerformance Parts
Cap Diameter5 in (127 mm)
Part FitmentSemi Universal
Vendor Part Number81602
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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