GFB ATOMIC Manual Boost Controller spo-cs-disabled Our trunnion upgrade kit converts

Our trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion for increased stability and stiffness

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the BD FleX-Plate is precision-balanced and SFI-certified for use in race sanctioning bodies

body roll and bottoming out

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GFB ATOMIC Manual Boost Controller spo-cs-disabled Our trunnion upgrade kit convertsIt is important to note that the Atomic does NOT use a "ball and spring" system like others on the market, for very good reason. The ball and spring system is an attempt to increase the boost rise rate by preventing pressure from reaching the wastegate during spool up. However, in practice this method usually creates boost spiking and a less stable and repeatable boost curve. Instead, the Atomic uses a precision orifice and needle valve system to