Zawór Blow off BOV Turbosmart TS-0204-1203 Big Bubba Plumb Back - Sleeper (Black/Black) - TS-0204-1203 - Big Bubba From Turbosmart exists because sometomes Bigger is Better! Big Bubba is a piston style valve for large capacity supercharged and turbocharged engines including diesels! If you’re looking for an inconspicous valve for a small capacity, low loost daily driver, you will need to look elsewhere! Turbosmart’s Boost-Balance System means the more boost you feed this valve, the better it closes and seals – It is literally as simple as that. The 2 inch piston design is an expansion of our traditional BOV5 design, simply expanded to provide big flow and fitment options. Available in Recirc / Plumback: TS-0204-1203Vent to Atmosphere / Supersonc: TS-0204-1303 Features Billet Aluminium Construction 2.0 Inch / 50.8mm Piston Australian Made, Hand Assembled & Tested Boost-Balance Technology with Positive Seal O ring Aluminium V-Band Fitment Cap Adjustable Spring Pre-Load Multiple Springs Options Available (7,12,17 and 21 In Hg)