Painless Performance Air Conditioner Activated Cooling Fan Relay On 185/Off 170 Internal Hose Support Spring 1/8 in NPT Purge Port

1/8 in NPT Purge Port

4L80E and 4L85E with PRNDL switch

Complete front and rear

1988-1992 Pontiac Firebird

Supports up to 1900 horsepower

Painless Performance Air Conditioner Activated Cooling Fan Relay On 185/Off 170 Internal Hose Support Spring 1/8 in NPT Purge PortDual Activation Fan Relay (on 185; off 175) Installing air conditioning to your hot rod? Need a cooling fan relay 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 or when