Painless Performance Dual Activation/Dual Fan Relay Kit On 185 Off 170 O2 Sensor MSD RPM Controls Launch Control

MSD RPM Controls Launch Control Module Selector 8735 For MSD 6/7 Series

GM 4L60E / 4L80E

Meets EPA and CARB requirements

Phone / GPS Swivel Holder

Painless Performance Dual Activation/Dual Fan Relay Kit On 185 Off 170 O2 Sensor MSD RPM Controls Launch ControlDual Activation Dual Fan Relay Kit (on 185; off 175) Installing air conditioning to your hot rod? Need cooling fan relays to operate off of a thermostatic switch and when your a c is on? The dual activation cooling fan relay kits by Painless Performance are exactly what you need. Only a few minutes for the installation and your cooling fan will come on when the engine reaches the preset temperature of the thermostatic switch mounted in the engine head