3.2.23 NEW Exhaust Valve for GM 2.5L DOHC – # V3442 March 2, 2023 Aftermarket/ Company News, All Aftermarket New Products, Valve Train Announcements Exhaust Valve for GM 2.5L DOHC – Part # V3442 Click Here to Download PDF Product Announcement V3442 Melling Valve - web