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Vivid Racing Gear 
If running a Tial BOV on your N54 instead of the TurboSmart Raceport you want to run the black spring. This will provide you with the most complete vent, and eliminate any chance for flutter/surge.
This is a 100% Genuine Tial Spring, not a knock off.
Note: This spring will keep your BOV open at idle which is not a problem in any way shape or form. If this bothers you for some reason, you can simply shim the spring until it is just closed at idle.
This is a 100% Genuine Tial Spring, not a knock off.
Note: This spring will keep your BOV open at idle which is not a problem in any way shape or form. If this bothers you for some reason, you can simply shim the spring until it is just closed at idle.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
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