GREY IRON CASTING; 4.250 IN. LG O/A; 3.188 IN. W; 2.406 IN. HGT; 1.875 IN. ID; FOUR 0.188 IN. LUBRICATING HOLES SPACED 90 DEG APART AT ONE END; ONE 1/8 IN. PIPE TAP LOCATED 0.438 IN. FROM TAP CENTER TO OTHER END; TWO 0.250 IN. W BY 0.062 IN. DEEP LUBRICATION GROOVES ON ID