Hastings | Moly Ring Set Featuring the famous Flex-Vent 3-piece oil control ring. First introduced in 1956 and still widely preferred by professional engine builders.
Part Type: Piston Ring Set Bore Size (in): 4.030" Bore Size (mm): 102.362mm Piston and Ring Oversize (in): .030 Piston and Ring Oversize (mm): .762mm File Fit: No Gapless: No Top Ring Thickness: 5/64" Top Ring Material: Iron Top Ring Facing Material: Plasma Moly Second Ring Thickness: 5/64" Second Ring Material: Iron Second Ring Facing Material: Phosphate Coated Oil Ring Thickness: 3/16" Oil Ring Material: Stainless Steel UPC: 00075538020547 Manufacturer: Hastings Manufacturer's Part Number: 2M139030 Warranty: Race Application, No warranty expressed or implied Quantity: Sold as Set
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