CAST IRON BODY; CAST ALUMINUM COVER; CRES POPPET; 8.640 IN. O/A LG; 5.050 IN. O/A DIA; POPPET SEAT ANGLE 45.0 DEG; HEAD 2.178 IN. DIA; MTG FLANGE 3.300 IN. BY 3.232 IN. W/4 BOLT HOLES 0.438 IN. DIA LOCATED ON 1.875 IN. AND 2.500 IN. C TO C; OTHER END HAS TWO 2 BOLT FLANGES 2.390 IN. LG 1.055 IN. W; THD INTERNAL BOLT HOLES 3/8-16 UNC LOCATED ON 1.625 IN. C TO C; ONE 1/8-27 NPT THD PORT