STM Water Pump Bypass with -16ORB for 1G DSM (DSM6B-WPB) Audi 5NM) recommended for all worm-gear

5NM) recommended for all worm-gear clamps

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STM Water Pump Bypass with -16ORB for 1G DSM (DSM6B-WPB) Audi 5NM) recommended for all worm-gearThe billet STM 1990 1994 1G DSM water pump bypass plate features a 16 ORB outlet. It was designed by the STM team and used in several STM race cars over the years when installing an electric water pump for various reasons. In most cases, when it comes to high reving DSMs, the water pumps tend to fail. Using this plate in conjunction with an electric pump removes one more failure point and frees up horse power by not having to spin the stock mechanical