Derale 190F Fan Switch Thermostat at Relay Kit 1/8" & 3/8 HASZF20AMAF 170 lb/in linear rate

170 lb/in linear rate

our keyway timing set for Chevrolet 454-502 GEN VI Big Block is built with bullet-proof durability

In 396-402 use 2500+ stall and lower gears

It is machined from billet aluminum and comes with all necessary hardware and O-Ring seals

which is available in black or chrome

Derale 190F Fan Switch Thermostat at Relay Kit 1/8" & 3/8 HASZF20AMAF 170 lb/in linear rateDerale 190F Fan Switch Thermostat at Relay Kit 1 8in & 3 8 Features: Fan Controller 190 Degree F On 175 Degree F Off 1 8 in NPT Temperature Sensor 3 8 in NPT Bushing Harness 25 amp Relay Kit Single stage fan control thermostat with 190 degreesF turn on temperature, Turn off temperature is preset at 175 degreesF, Fits into either a 3 8" NPT or 1 8" NPT port, 3 8" NPT x 1 8" NPT bushing included, 40 60 amp relay wire harness with AC override