Note: Higher pressure caps can also help find any weak/deteriorating hoses and other cooling system components as the entire system pressure goes up. Be sure to watch for any leaks after installing this part..

Note: Fits ST165 OEM radiator and MR2 Turbo rear filler neck. Mishimoto aftermarket ST185 radiators use this style cap also.

4/1/19 -- 1.3Bar cap discontinued