Converts factory diverter valve into a blow-off valve
Converts factory diverter valve into a blow-off valve
Revised diaphragm-based diverter valve
Used when converting to custom catch cans or an aftermarket valve cover
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Engineered to deliver consistent boost control even under the most demanding conditions
This product was last offered at the strikethrough price on
11-09-2026
Replaces the failure-prone factory diaphragm for rock-solid boost control
This product was last offered at the strikethrough price on
11-09-2026
Replacement seal for the pcv Located on top of your valve cover
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Restore lost engine power, resolve underboost fault codes, and prevent compressor surge on your turbocharged Volkswagen or Audi.