The Turbosmart Big Bubba BPV is a high-capacity piston-style blow-off valve designed specifically for large turbo and supercharged engines, including diesel applications. Engineered for high horsepower and high boost scenarios, this valve delivers bold performance with its robust billet aluminum construction and 2.0 inch (50.8mm) piston. Its V-band aluminum fitment ensures a secure, reliable connection, making it ideal for performance enthusiasts seeking maximum airflow and quick response. The Big Bubba's multiple spring options (7, 12, 17, and 21 inches of mercury) allow for customized tuning to suit various boost levels and engine configurations, while the adjustable spring pre-load feature provides further fine-tuning capabilities. Boost-Balance Technology with a positive seal O-ring guarantees consistent sealing and optimal performance under demanding conditions. Proudly Australian-made, each unit is hand-assembled and tested to ensure quality and durability. This valve is not suitable for small capacity or low boost daily drivers, but it excels in high-performance, high-boost environments where big airflow and reliable operation are critical. Whether you're building a race car or upgrading a high-powered street machine, the Big Bubba BPV offers the strength, adjustability, and performance necessary to handle extreme conditions effectively.
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