looking through MSD website i see a few nice things:
Blaster DIS Racing Coil - (runthis with OE crank trigger wired to the DIS-4 using these individual coils

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For all-out race cars with multi-channel coil drivers this new Blaster Coil will provide the incredible voltage your vehicle needs. This coil will top off your MSD DIS HO Ignition system with its low resistance and quick rise time. This combination can produce a spark with incredible voltage that's capable of burning the fuel mix in any cylinder!
Mitsubishi 4-TowerPN 8229
SPECIFICATIONS Primary Resistance: 0.051 Ohms Secondary Resistance: 12K Ohms Maximum Voltage: 36,000 Volts Inductance: 7 mH Turns Ratio : 77:1
Stacker Ignition, 4-Channel, Distributorless PN 7010*
Simple to install with no cutting or disconnecting wires. Powerful capacitive discharge sparks improve combustion for increased performance. Diagnostic LED confirms operation at a glance. Models for most any application from distributors, to coil packs and individual coils per cylinder.
The MSD Stacker Ignition connects to your vehicle’s wiring without disconnecting anything! Actually, the factory ignition remains in place and the Stacker delivers a powerful CD spark to improve the initial ionization of the plug gap to improve combustion in the cylinder.
Operating Voltage: 10 - 18VCurrent Requirement: 1A per 1000 RPM RPM Range: 15000 Max Spark Series Duration: 20° Energy Output Max: 120mJ 250VVoltage Output Max: 250V
Stacker Ignition, 4-Channel, Distributorless PN 7010* Designed to work with DIS vehicles with coil packs.