MSD DIS Ignition Tachometer Driver - For Use With Aftermarket Tachometer On Distributorless and Multiple Coil Pack Vehicles H770003L Engineered to deliver precise

Engineered to deliver precise

this kit adapts your late model Big Block Chevrolet engine to an adjustable valvetrain

Supplied with two spark plug wire boots

And Stands Up Better Against Brutal Punishment

MSD DIS Ignition Tachometer Driver - For Use With Aftermarket Tachometer On Distributorless and Multiple Coil Pack Vehicles H770003L Engineered to deliver preciseEver wonder how you can install an aftermarket tachometer on a vehicle with no distributor and multiple coil packs? MSD has the answer with the Distributorless Tach Driver! The compact Tach Driver measures only 1. 5 x 3. 5 x 2 and is potted with a polyurethane compound for vibration and water protection so it can easily be mounted under the hood. It wires inline on the coils 12 volt supply wire where it senses the current going through this wire and