Caterpillar Piston Ring, 1979341

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HDP Piston Rings are technically optimized with: Advanced surface finish utilizing chrome plating, gas nitriding, spray coating and ceramic coating Superior base material such as gray cast iron, ductile cast iron and stainless steel High precision machining HDP Piston Ring Benefits: Excellent sealing performance will dramatically reduce blow-by gas and oil consumption. High anti-wear and breakage performance will assure you a longer part-life span.