Stud Bolt (for Manifold To Cylinder Head) Engines: 1HDFT, 1HDFTE, 1HDT, 1HZ, 1HZT, 1PZ Compatible With: COASTER (HDB20, HDB30, HDB31, HDB50, HDB51, HZB30, HZB31, HZB36, HZB40, HZB41, HZB46, HZB50, HZB56, HZB60, HZB70); LAND CRUISER (HDJ100, HDJ101, HDJ78, HDJ79, HDJ80,