Phenolic spacer for VAG 1.8t large port to small port

10 mm transition Phenolic spacer for VAG 1.8T large port to small port and small port to large port intake manifoldPhenolic inlet manifold gasket for your Volkswagen 1.8t engine car like Audi S3 acts as a barrier stopping heat transferring from the engine block through into the inlet manifold. Stopping this heat transfer results in a cooler inlet charge temperature and in doing so increases engine power in much the same way an intercooler does, except this is able to benefit a turbo and non-turbo setup. It fits to cars with small port head and with large port inlet manifold. Our phenolic spacer for Audi and Volkswagen 1.8 20VT is perfect fitted item. Specification: Made of 10 mm thick phenol plateHigh load, static and dynamic resistantHigh temperature resistant, up to 180 oC / 356 oFLightweightOil and others chemicals resistantExcellent CNC qualityPerfect fitting to specific engineExtra gain of powerLowering under bonnet temperature Phenolic spacer VW / Audi 1.8t fits for:Audi A3 Audi A4 Audi A6 Audi TT Seat Alhambra Seat Cordoba Seat Exeo Seat Ibiza Seat Leon Seat Toledo Škoda Octavia Škoda Superb Volkswagen Bora Volkswagen Golf Volkswagen New Beetle Volkswagen Passat Volkswagen Polo Volkswagen Sharan Based on OEM number: 058 129 717B and 058 129 717D