Go Fast Bits VNT/VGT V2 Universal Diesel Boost Controller. The Go Fast Bits (GFB) V2 Manual Boost Controller is the ultimate solution for stabilizing and controlling boost on VNT/VGT turbo diesel engines. Many factory ECU-controlled vacuum systems suffer from erratic boost behavior, often leading to turbo or even engine failures — even on stock vehicles. The V2 solves this by taking over boost control, delivering a stable, repeatable, and safe boost curve your engine will thank you for. Built with CNC-machined 6061 aluminium and finished in black anodizing, the V2 combines durability with precision. Inside, you’ll find two individual adjustment dials: Boost Pressure Dial – sets your desired boost level Boost Rise Rate Dial – controls how quickly your turbo spools, allowing you to fine-tune performance for different driving conditions This makes the V2 not only simple to use but also incredibly effective for tailoring boost response to your setup. Unlike electronic controllers, a manual boost controller is rugged, mechanical, and set-and-forget. It doesn’t rely on electronics, so it won’t fail under harsh conditions. Once installed, it delivers 100% reliable boost control with zero maintenance. Key Features: Designed for vacuum-actuated VNT/VGT turbos (common on diesels) Stabilizes boost curve to protect against engine and turbo failures Dual adjustment system – boost pressure & boost rise rate CNC-machined 6061 aluminium body with black anodized finish Precision needle valve bleed system – more stable than ball-and-spring types Easy to install — connects with just two hoses Made in Australia, ISO 9001 certified Simple, reliable, and durable with no electronic parts to fail Whether you want to smooth out erratic boost spikes or safely push for more performance, the GFB V2 Manual Boost Controller offers precision, reliability, and peace of mind for your turbo diesel build.
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