Parts such as the Crank - Piston: Brg,cyl-cal Roller 20g Tm, Pin, Piston, Brg,cyl-cal Roller 15.6g Ky, Ring,piston 1st are included in the Gp292 1972/1973 Crank - Piston parts fiche.
Check out any of the twenty-four Crank - Piston components enlisted.