Automatic thermostatic oil by-pass valve allows oil to by-pass the oil cooler until reaching operating temperature for faster vehicle warmup times
Flows oil through the filter first, for better flow
Required for oil cooler installation on Twin Cam models
Optional anti-rotation device for PART #0713-0031 bolts to face of offset oil filter adapter to lock in place during future oil filter removals; available separately
Optional thermostat kit for PART #0713-0031 includes new thermostat element assembly, AFM gasket and large O-ring
Optional service kit for PART #0713-0145 includes two replacement quad-seal O-rings
Made in the U.S.A.