This Supertech wrist pin matches the Mini R56 specification at 20 x 48.3 mm in H13 tool steel, offered as a precision piston-pin replacement. It is intended to reconnect piston and rod during rebuilds, supplied to the exact size listed for the R56 application so installers can maintain the correct pin fitment and operational clearance.
Supertech Mini R56 20x48.3mm H13 Tool Steel Wrist Pin