STM Water Pump Bypass with -16ORB for Evo 8/9 (EVO89-WPB) Gorilla 0 35 73 18

0 35 73 18

• Dyno-Proven Gains up to +11 HP and +14 Lbs

• Over pressurizing can permanently misalign the needle calibration

Genuine OEM Nissan factory replacement rear main crankshaft seal for RB20DET

Universal Application using -6AN Fittings

STM Water Pump Bypass with -16ORB for Evo 8/9 (EVO89-WPB) Gorilla 0 35 73 18The billet STM Evo 8 9 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 Evos, the water pumps tend to fail. Using this plate in conjunction with an electric pump removes one more failure points, allowing you to choose water flow rotation and gain control over water