Quick view ARP ARP - Turbo to Manifold Stud Kit M8x1.25 M8 X 1.25 X 38mm, broached, 4 piecesKit #: 400-8002 Specifications Socket Size(s) 10mm 12pt, 3mm Allen Great replacement for rusted or worn out turbo to manifold studs. Will work with any turbo manifold using 8x1.25 thread pitch. $63.99 Add to Cart