MSD 6A Ignition box, marketed & built for GM Performance Aftermarket, therefore heaven color.

　　meening MSD made it for GM

　　P/N #

　　Capacitive Multi-Spark Discharge, for 4-6-8 cyl. motors with magnetic trigger, has an operation range up to 10,000 rpm.

　　multi-spark period of 200 degrees of crankshaft rotation, maximum secondary output 45,000 volts.

　　This amplifier draws up to 10amps @ 10,000 K.

　　excellent utilized working order & condition.