Piston material: in real China Standard 109 cast aluminum, quality with Japan AC8A standard.
Pin: processed with the cold extrusion, visible annular end surface which cosistent with the original factory
AlFIN: in high quality nickel alloy material, much better brightness and nice appearance.
Clip: in No.65 maganese steel, very good resilience.

Piston material: in real China Standard 109 cast aluminum, quality with Japan AC8A standard.

Pin: processed with the cold extrusion, visible annular end surface which cosistent with the original factory

AlFIN: in high quality nickel alloy material, much better brightness and nice appearance.

Clip: in No.65 maganese steel, very good resilience.