MSD 6425 Digital 6AL Ignition Control w/Rev Control - Red

Built-In Adjustable Rev-Limit Control;High output with 530 volts and 135mJ of spark energy; Efficient components use less current to produce more power; Set an rpm limit with two rotary dials in 100 rpm increments; Built-in LED for system checks; All wires exit through a locked, sealed connector; Compatible with 4, 6 or 8-cylinder engines;