Supertech supplies this wrist pin at 21 x 12 x 59.30 mm in H13 tool steel as a precision piston-pin replacement. It is intended to serve as the connecting link between piston and connecting rod in engine rebuilds, offered to the exact dimensions listed to maintain proper clearance and alignment for applications that require a 21 x 12 x 59.30 mm H13 wrist pin.
Supertech 21x12x59.30mm H13 Tool Steel Wrist Pin