Big Bubba From Turbosmart exists because sometimes 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 inconspicuous valve for a small capacity, low boost daily driver, you will need to look elsewhere!

• Multiple Springs Options Available (7,12,17 and 21 InHg)
• Boost-Balance Technology with Positive Seal O-ring
• Australian Made, Hand Assembled & Tested
• Cap Adjustable Spring Pre-Load
• Billet Aluminum Construction
• 2.0 Inch / 50.8mm Piston
• Aluminum V-Band Fitment