Mazda 20b Cosmo Rotary 1/2 inch Oversized Engine Stud Kit
Set of 7 studs, washers and ARP nuts.
These replace 7 of the tension and go all the way from the back plate to the front plate for maximum strength.
1/2 inch hardened steel studs.
Comes with hardware.  ARP NUTS and high-quality sealing washer.
Studs are precision made and quality checked to guarantee strait fitment.
high quality American made parts
Machine work drilling and tapping is required for this part.  We do offer the Machine work in house, DM if needed.  Most quality engine builders or machine shops should be able to do the work. 
Made for use on 3 rotor motors