This is the sleeve for the ball bearing version of the VECO .19

The sleeve we have is approx
1.290" overall
.750" sleeve OD
.837" flange OD
.062 Flange thickness
.588 exhaust port from top
.172 Tall
.500 wide
.624 transfer port from top
.172 tall
.500 wide
.632 bore
piston .660 tall without baffle
wrist pin diameter .156
.298 c/l from top