Some items from this specific schematic: Ring Set,0.020' O.s, Washer-toothed,12mm, Piston,0.020' O.s, Washer-side.
Check out any of the twenty-one Crankshaft/piston ('71-'75) components enlisted.
The Kv75a5 1976 Crankshaft/piston ('71-'75) consists of twenty-one pieces with the Crank&conrod Assy being the most expensive.