Turbo Air Bypass Valve Housing Gasket Seal - Porsche 911 / 930 / 924 Turbo (ENG 930 110 149 00)

Gasket Seal For Air Bypass Valve Housing (Boost Recirculation) - 1976-1989 Porsche 911 / 930 Turbo And 1978-1983 924 Turbo (931 / 932) - Porsche OEM/OES Victor Reinz (40-82532-00) - Sold Each - 2 Per Car - Application Notes:  If Your 911 / 930 / 924 Turbo Is Experiencing A "Clacking" Noise On And Off Boost - This Could Be Due To The Piston Contacting Degraded Gasket Seal Inside The K-Jetronic Air Bypass Valve (Shuttle Valve) Housing. Renewing The Two Gaskets And Cleaning The Assembly Usually Restores Proper Turbo Boost Control.Alternate Part Numbers: ENG 930 110 149 00 / 930-110-149-00 / 930.110.149.00 / 93011014900 / 40-82532-00 / 408253200