4L68, 4L88. 38mm OD coolant hose tail. 1 x 17mm OD heater hose tail. 53mm ID thermostat recess. 70mm thermostat cover bolt centres. 28mm diameter fan centre flange with 52mm bolt centres. 3/8 NPT sensor thread.
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4L68, 4L88. 38mm OD coolant hose tail. 2 x 17mm OD heater hose tails. 53mm ID thermostat...
4L68, 4L88. 38mm OD coolant hose tail. 1 x 17mm OD heater hose tail. 53mm ID thermostat recess. 70mm thermostat cover bolt centres. 28mm diameter fan centre flange with 52mm bolt centres. 3/8 NPT sensor thread.