"The sūsa Automatic Remote Oil Thermostat installs directly in the oil lines and allows engine oil to by-pass the oil cooler until the oil reaches the prescribed temperature. The 180ºF Thermostatic Oil Valve (TOV) allows up to 100% oil by-pass before actuation. Machined from billet aluminum and finished with durable anodizing in titanium gunmetal gray. Design provides multiple options for oil flow entrance & exit depending on application requirements. Included heavy-gauge steel mounting plate offers multiple orientations for adaptability. Compatible with the ProLine Adapter System of low-profile M22 adapter fittings and direct-port hose ends (sold separately) (shown with AN adapter fittings, sold separately) *Fitment note: Designed for use with sūsa ProLine adapters in sizes up to & including AN12. Will not accept AN16 size adapter fittings *Fitment note: this item does not work with banjo adapters fittings."