People with neutropenia have an unusually low number of cells called neutrophils. Neutrophils are cells in your immune system that attack bacteria and other organisms when they invade your body. Neutrophils are a type of white blood cell. Your bone marrow creates these cells.
Labor: $220 - $278. Parts: $28 - $68. The average cost for a valve cover gasket(s) replacement is between $248 to $346. Labor costs are estimated between $220 to $278 while parts are priced between $28 to $68.Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.abor: $220 - $278. Parts: $28 - $68. The average cost for a valve cover gasket(s) replacement is between $248 to $346. Labor costs are estimated between $220 to $278 while parts are priced between $28 to $68.
 a valve cover gasket is not a $600.00 job it takes about 30mins tops. you could do that your self and save the cash. the valve cover is that piece that is on top of the en â¦ gine, in some vehicles is the piece that has the hole from where you put oil in to the engine.lso place a small bead on the top of the head where the gasket will sit. DO NOT put so much that it will bleed into the rocker assembly and mix with the oil when you tighten down the valve cover. After you place the new gasket onto the valve cover place the cover back onto the head.