MSD Tach Adapter HXY2 3-3/4 in Diameter

3-3/4 in Diameter

1974-1979 Oldsmobile Cutlass

curved blades to provide a low profile (only 3 7/16" at widest point) for limited space applications

extends engine life

and like all Moroso Blue Max wires

MSD Tach Adapter HXY2 3-3/4 in DiameterIf, after installing an MSD Ignition Control, your tachometer, fuel pump relay or electronic fuel injection (in foreign vehicles) doesn't operate correctly, your application may require a Tach Adapter. This is due to the trigger signal not being strong enough to trigger both the MSD and the factory's components. There are a few Tach Adapters available and for more information see pages 152 and 153. Each Adapter is simple to wire in and will have your