1928-1934 Zuigerveer Set, .100inch Overmaat, 4 sets

All piston ring sets are a US made Grant or Hastings brand 3 ring type. The gap of the rings must not line up; keep them about 1/4 turn from each other.

Piston Ring Specifications:
Ring diameter: Same as piston - 3.875" stock
Ring groove depth: 7/32"
Ring groove width: Upper two - 1/8", Lower - 5/32"
Ring taper: .001"- narrower at the top than the bottom
Ring clearance in groove: .001" to .002"
Ring end gap: Top .012" to .015"; Middle .010" to .012";
Lower .008" to .010"