PRP 1/2 Inch Head and OEM Head Dowels - Nissan RB rb25 brace Billet Alloy bracket is engineered

Billet Alloy bracket is engineered to sit directly over the spark plug on the correct angle to ensure correct stalk alignment over the spark plug to eliminate spark leakage

and no boost reference signal

Starting with a Turbosmart GenV wastegate body

*This brace is for the serious racers here

slight modification will need to be made to the bracket spacers and stalks to shorten them

PRP 1/2 Inch Head and OEM Head Dowels - Nissan RB rb25 brace Billet Alloy bracket is engineered1 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