As an Amazon Associate, we earn from qualifying purchases. Competition Cams 517-16 0.5 in. Metal Body Viton Valve Stem Oil Seal Set COMPETITION CAMS . COM517-16 Gallery Attributes Brand name, Manufacturer name, ManufacturerCOMPETITION CAMS KnownMan, Extra Product NameCompetition Cams 517-16 0.5 in. Metal Body Viton Valve Stem Oil Seal Set moq, multiple, tierMinQty11 MPNCOM517-16 qtyInStock-2 SKUMTRST53649 tierPrice120.99 Distributor offers SellerSKUMOQIn stockMultiplePrices unbeatablesale.comMTRST536491-211 @ $20.99