This Supertech wrist pin is supplied at the specified 21.10 x 44.30 mm dimension as a direct replacement piston pin for rebuilds and custom assemblies. It functions as the connection point between piston and connecting rod, provided to the exact size noted for accurate fitment. Choose this wrist pin to restore proper clearance and alignment in engines calling for the listed measurements.
Supertech 2110x44.30mm Wrist Pin