They are rated to 100psi at any RPM level you choose
There are turbochargers out there on the market that will assist in making over 450+rwkw in the factory position
Width without brackets: 134mm
6 X Forged Steel I-Beam connecting rod
Pillow ball bushing provide excellent driver feedback
Hardrace - REAR DIFF MOUNT SUPPORT BAR SUBARU, TOYOTA, 86, BRZ, FR-S, ZC 6, ZN6, FT86/FR-S ZN6/ZC6 RB26 They are rated to 100psiRear diff mount support bar constructed of high strength steel alloys that offer durability, strength and yet remain light weight. By bolting it onto the back side of the rear sub frame, the brace will support the rear differential and eliminates the movement of the rear differential. It will allow more energy to be transferred to the wheels under acceleration. . Quick and easy install on OEM bolt holes . Made with high quality ultra strong steel .