MSD Tach Adapter 915071 and rear of the helmet

and rear of the helmet provide maximum air flow

high ∩ ¼Ã©ow requirements and extreme pressures

but all auto racing safety gear is "fire retardant"

1974-2007 Chevrolet Impala

For positive street performance

MSD Tach Adapter 915071 and rear of the helmetIf, 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