This custom T-fitting has a built-in vacuum restrictor in the center barb. A vacuum restrictor is essential to provide a clean signal to the boost gauge. If a mechanical boost gauge is installed on a turbo car without a vacuum restrictor the gauge will produce a buzzing noise. This T-fitting can be used on all VW engines and all other imports using .170" - .1875" ID vacuum lines.
This fitting is included in our boost gauge tubing kits wherever a T-fitting is used
Fitting Details
- .1875" barbs
- Built-in vacuum restrictor
- Glass filled black nylon
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