I have both adapter blocks needed to relocate your oil filter and still run an oil cooler. They are AN10 unions and the center bolt on the oil block adapter is m20x1.5
I bought these used in Japan with the intent of using them but i ended up changing my mind and going with a different set up. I never installed these and what you see is what you get.
i'm looking for
$160 picked up. +$10 shipping and paypal fees. trying not to part but shoot me an offer. price is firm
From Greddy's website:
GReddy Universal Oil Filter Relocation Oil Cooler Block
-10 AN Fittings. with built-in Thermostat. (operating temperature: 75c - 82c ±2c)
*Ideal for custom Oil Cooler Kits with oil filter relocation.
Must use GReddy Sized Oil Filters : OX-01 P/N 13901101 or OX-03 P/N 13901103 (3/4"x16UNF) or AE86 - 4AG sized Oil Filter.
use P/N 16400720 to install 1/8 PT ports for sensors
This part new retails for $185 + tax/shipping.
and
Product: Grex Engine Oil Block Adapter - Type F
Part Num. : 12401135 (M20xP1.5 center bolt, AN10 union)
Union: AN8, AN10, AN12, Econo#10
Center Bolt: 3/4x16UNF, M20xP1.5
i have the missing fitting for the relocation block that's not pictured