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With 12 amps of primary current and powerful sparks that last for up to 26° of crankshaft rotation, the Pro Mag 12 is more than capable of lighting your race fuel completely for total combustion and the most power. Of course, all this spark energy is useless without accurate ignition timing. To ma ke sure the Pro es the spark plugs at the exact moment, our engineers did away with mechanical points in favour of our race proven magnetic pickup to trigger the Pro Mag. This pickup is much more accurate than points and never requires adjustment or replacement. A precision manufactured reluctor attached to the Mag shaft is responsible for triggering the mag pickup at the precise moment.
This trigger signal goes into the Electronic Points Box (PN MSD8106 sold separately) that also houses the coil and rev limiting functions of the Mag. Here the generator's spark energy is controlled through unique electrical circuits and delivered to the epoxy filled coil where the voltage is stepped up through specially designed windings.
Designed with Sprint
cars in mind, the Pro Mag
12LT is almost 30% lighter
than the original Pro Mag,
but still produces the same
incredible power. The compact
housing also sits an inch
lower for improved clearance
of the fuel injection plus
features a band clamp mo unt
ents. This unique design is
available for Chevrolet, Ford
and Chrysler engines! While
we were at it, we designed a
new cap and rotor exclusively
for the 12LT series. The cap
is injection moulded from
DuPont Rynite material which
carries high dielectric
properties and strength. The
rotor is also moulded from
Rynite and is a unique design
that clamps to the shaft with
a retaining bolt assembly.
Each Pro Mag 12LT is supplied
with a bronze gear, band
clamp, cap and rotor.
Specifications:
Spark Energy:
300 millijoules (at the gap)
Primary Current: 12 Amps
Secondary Voltage: 40,000
Volts
Secondary Current:
200 Milliamp
Spark Series
Duration: 26° Crankshaft
Rotation
RPM Rating:
through 14,000 RPM