THIS PRODUCT HAS BEEN DISCONTINUED BY THE MANUFACTURER. 

WE HAVE SPEC'D OUR OWN OIL FILTER THERMOSTAT KIT HERE

Genuine MRP Product
-Opening temperature 176F/80C
-Comes with Qty (2) 3/4"-16 unf & M20x1.5 oil filter adapters
-Qty (2) 1/8" NPT threaded sensor ports
-10 AN fittings for oil cooler in and out
-Machined from a solid billet of 6061 aluminum
-Works with aftermarket oil filter relocation kits
-Fits AE86 / Miata / S13 / S14 / Supra / SC300 / S2000 and many more.
-Stocked in California

Throughout over a decade of R&D, MRP tried many different oil cooler solutions, but was ultimately unhappy with them for various reasons. MRP finally settled on a design they were happy with, added a few tweaks, and have been using this product ever since.

For a car that sees street use, it is VERY important to have a thermostat on your oil system if you have a large external oil cooler. Some of these radiators are so effective that you may never reach operating temperature (170F to 265F) when doing your normal routine. Oil that is always too cold will not lubricate well, causing premature failure of the bottom end bearings. This won't happen over night, but we assure you the extra wear will happen.

Regarding this product, there are cheaper cast thermostatically controlled sandwich plates out there, but when you want the best, I think we can safely say that you have found it here.

Instructions:

Use circlip pliers to tighten up the top chrome nut before usage to prevent oil leaks.