That is a perfect circle part number.... but they sell for like 40 bucks at summit... so surely the are not a good moly ring? Or maybe im wrong?
Top Ring Material Cast iron
Top Ring Facing Material Chrome
Second Ring Material Cast iron
Second Ring Facing Material Cast iron
Oil Ring Material Stainless steel
http://www.summitracing.com/parts/PCR-40564CP-030/
that is what summit list them as????????
Use them or not?