ALL 2.0 16V TURBO PETORL ENGINES. 16x PIPER SINGLE VALVE SPRINGS. 16x ALL IN ONE RETAINER VALVE STEM SEALS.ELRING ROCKER COVER SET WITH O-RINGS. The item "Z20LEH / Z20LET SINGLE PIPER VALVE SPRING RETAINER SEALS ROCKER COVER GASKET" is in sale since Friday, February 15, 2019. This item is in the category "Vehicle Parts & Accessories\Car Parts\Engines & Engine Parts\Other Engines & Engine Parts". The seller is "nevlockperformance" and is located in Coventry, West Midlands. This item can be shipped worldwide.