0.195" hole diameter 2 bolt hole quantity gasket is a half circle shape, aperture radius from center of circle is 1.750, and outside radius of, circle is 2.140, also 2 u shape slots located on outside of gasket. anodize surface treated
0.281" hole diameter 6 bolt hole quantity unit shall withstand internal pressures of -8 psig to +180 psig, no leakage permitted, temp range, ambient -65 deg f to +350 deg f, fuel -65 deg f to +165 deg f anodize surface treated
