One bottom plate.

One top plate.

One chamber wall.

Two large O-rings.

Two medium O-rings.

One pre-assembled piston.

One pre-assembled cylinder.

One pre-assembled gland.

One displacer stem.

One small O-ring.

Two ballrace bearings.

One crank.

One hub.

One pre-assembled flywheel.

One pre-assembled displacer.

One main pillar.

Three M2 x 6mm spoke screws.

One M2 x 4mm crank screw.

Two M3x6mm main pillar screws.

Two connecting rod bushes.

Two M2 x 6mm connecting rod screws.

Two connecting rods.

Seven M2 x 6mm white chamber post screws.

Seven brass chamber posts.