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J-2 Engine in 1:70 Scale for Saturn IB or Saturn V S-IVB stage (or S-II). Designed for modifying the Apogee flying Saturn kits into display models. Central attachment stud is 1/8" dia (3.18mm). Scale inlet ducts have short 1/16" dia. studs to aid in further detailing and/or model mounting.
If used with a kit, scratchbuilding of mounting structures and other scale components will be necessary (no out-of-the box compatibility).