Fd3s Sump Brace Kit Inc Sump and Blank Off billet stainless It is supplied with either

It is supplied with either a 3/4" UNF or M20x1

Please note that some aftermarket intake manifolds have different sized machining and often a sharp edge which can make the o-rings tight and harder to install

Nissan RB20DE

the one-piece design allows for smoother internal flow paths

Fd3s Sump Brace Kit Inc Sump and Blank Off billet stainless It is supplied with eitherTired of oil leaks from your FD3S RX 7 sump? Vinny Fab has the ultimate solution. Our 6 mm CNC machined stainless steel sump brace eliminates sump distortion and ensures a perfect, long lasting seal every time. Designed and tested in house on real builds, this kit gives your rotary the reliability and fitment it deserves. Built from precision cut 6 mm stainless steel, the brace prevents over tightening and distortion, keeping your sump perfectly flat