Fits 1993+ 4G63 Engines (Except EVO X). Fits 1995-1999 2G DSM Engines and EVO VII-IX. MAMBA Mitsubishi EVO 1~9 4G63T SS304 Exhaust Manifold Stud kit. With MAMBA High Tensile Stud and 12 point Nut set, you can use a nice compact spanner to do the job properly.
eBay