Nissan RB 1/2 inch head and OEM head dowels G16E-GTS Which Donor ECU can I

Which Donor  ECU can I use

0001" Tolerance

PRP Nissan RB Twin Cam Engine Pro CAS Bracket With Optional -20AN Head Drain Fittings

* Bench tested

TECHNOLOGY

Nissan RB 1/2 inch head and OEM head dowels G16E-GTS Which Donor ECU can I1 2 inch head dowels Anyone fitting half inch head studs to an RB (should be all rb25 and 30 blocks) They suit OEM replacement also. Need these! We have recently discovered that many people dont use dowels when converting to 1 2 inch head studs, they are absolutely crucial to stop the head from walking around and hurting your gasket seal! The reason you cant run an RB26 type M12 12 mm Stud in an RB20, 25, or 30 is because they are originally 11mm