L5P 17-25 BILLET THROTTLE VALVE UPGRADEBillet Throttle Valve Upgrade (Race Use Only) The factory connection where the throttle valve meets the Y bridge is a known weak point, often causing boost leaks due to the flawed plastic ring design. Our solution replaces that failure prone area with a one piece, high temperature O ring seated in a precision machined groovecreating a tight, leak free seal that holds strong under high boost conditions. To ensure maximum reliability, the throttle valve