Standard Pack = 1 piece(s). Hole Pitch, X (in) = 2.62 ; Hole Dia, Y (in) = .43 ; Counter Bore Dia., (in) = .75 ; Counter Bore Depth, (in) = .5 ; Cylinder Capacity, (tons) = 50 ; Stroke, (in) = .63 ; Cylinder Effective Area, (in2) = 9.86 ; Pressure at Capacity, (psi) = 10,140 ; Oil Capacity, (in3) = 6.21 ; Collapsed Height, A (in) = 2.64 ; Extended Height, B (in) = 3.27 ; Outside Dim., D1 x D2, (in) = 4.5 x 4.5 ; Cylinder Bore Dia., C (in) = 3.54 ; Plunger Dia., E (in) = 2.76 ; Base to Port, G (in) = .79 ; Plunger to Base, L (in) = 2.25 ; Plunger to Mtg. Hole, M (in) = 2.13 ;