Painless Performance Dual Activation/Dual Fan Relay Kit On 185 Off 170 Gauge Installation Kit These spring rubbers are made

These spring rubbers are made for racing from a special Polyurethane that out lasts rubber 4 to 1

1974-1980 Chevrolet Corvette

Features Billet Ford stock style neck

12 in H x 4

Painless Performance Dual Activation/Dual Fan Relay Kit On 185 Off 170 Gauge Installation Kit These spring rubbers are madeDual 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