Seller notes

NOTE- Only thing included in this listing is the SPRING. The ALTA blow off valve (BOV) Spring Upgrade is a great alternative to complete replacement BOV's. Fits all MINI Turbo Models including Cooper S and JCW! The ALTA Performance replacement spring is a simpler, less expensive and better performing upgrade. *So Simple, Yet So Effective* The ALTA BOV Spring Upgrade for your stock Blow Off Valve is a very effective way to make your Turbocharged MINI hold more boost between shifts. This reduces t...

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