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Customer Favorite Pro-mag Generator,20 Amp,chevy V8,tall,red - Limited Release [ON7WQ6Bg]

$151.99 $486.99 -69%

BRAND NEW MSD PRO MAG 20 AMP GENERATOR WITH CAP, ROTOR, RED, COMPATIBLE WITH CHEVY V8 TALL THE INCREASED OUTPUT OF THE 20 AMP PRO-MAG WAS BORN OF RACERS BEING RACERS, ALWAYS ASKING FOR MORE POWER. THIS STEMMED FROM DRAG RACERS THAT WERE USING A 12 AM

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Customer Favorite Pro-mag Generator,20 Amp,chevy V8,tall,red - Limited Release [ON7WQ6Bg]

BRAND NEW MSD PRO MAG 20 AMP GENERATOR WITH CAP, ROTOR, RED, COMPATIBLE WITH CHEVY V8 TALL

THE INCREASED OUTPUT OF THE 20 AMP PRO-MAG WAS BORN OF RACERS BEING RACERS, ALWAYS ASKING FOR MORE POWER. THIS STEMMED FROM DRAG RACERS THAT WERE USING A 12 AMP SYSTEM, BUT JUST DID NOT REQUIRE A 44 AMP SYSTEM. THE ENGINEERS AT MSD FOUND THAT WITH A FEW CHANGES TO THE INTERNALS OF THE GENERATOR IT WOULD DELIVER THE INCREASED CURRENT THROUGH THE SAME ELECTRONIC POINTS BOX, PART #8106.

THERE ARE THREE DIFFERENT GENERATORS AVAILABLE; A BAND CLAMP DESIGN IN BOTH CW AND CCW ROTATION, PLUS A MODEL BUILT ON A CHEVY DISTRIBUTOR BASE. ALL THREE REQUIRE THE PART #8106 ELECTRONIC POINTS BOX. THE BAND CLAMP VERSIONS ARE EQUIPPED WITH A LARGE FORD STYLE CAP WHILE THE CHEVY VERSION USES A 4-INCH CAP AND BOTH ARE TOPPED WITH HEAVY DUTY RETAINERS.

SPECS:

  • BRAND: PRO MAG
  • COLOR: RED
  • PRIMARY CURRENT: 20 AMPS
  • PRODUCT TYPE: MAGNETO
  • RPM RATING: THROUGH 14,000 RPM
  • SECONDARY CURRENT: 300 MILLIAMPS
  • SPARK DURATION: 26 DEGREE CRANKSHAFT ROTATION
  • SPARK ENERGY: 240 MILLIJOULES (AT THE GAP)

YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS PRO MAG HERE.

What Our Customers Say

February 5, 2026

Absolutely no complaints!

A product that truly delivers.

- Johnny R..

February 5, 2026

Absolutely no complaints!

I'm happy with this. Great.

- Shawn O..

February 5, 2026

Absolutely no complaints!

Very high quality and well made.

- Sara B..

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