6T Circle Track Ignition
121-6400
The internal components and functions of the 6T are identical to the 6A except for two additional features; special modifications for vibration dampening with internal bracing and rubber shock mounts are incorporated along with a special connector that accepts the MSD Soft Touch Rev Control (121-8738), the Soft Touch Engine Control (121-8968). An RPM module selector (121-8670) can also be used in conjunction with these rev controls. 50-state legal via EO#D-40-26.
(Odd-Fire V6 use P/N 6446)
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OPERATING SPECIFICATIONS
Operating Voltage: + 10-18 VDC, Negative Ground
Current Requirements: 5 Amps-5,000 RPM, 10 Amps-10,000 RPM
RPM Range: 15,000 RPM with 14.4 Volts
Spark Series Duration: 20° Crankshaft Rotation
Energy Output Max: 105-115 Millijoules Per Spark
Weight And Size: 3lbs., 8'' L x 3-1/2'' W x 2-1/4'' H
Voltage Output Max

rimary - 460-480 Volts, Secondary - 45,000 Volts (Blaster Coil)
heres some info on msd6t