Hose Reducer 2.50-3.25" BLACK TS-HR250325-BK black the better it seals)

the better it seals)

while retaining correct clearance

Then you need PRP's Gates Racing  RB Timing Belt KitConstruct your own timing kit using the options we have provided using the highest quality Viton Cam & Crank Seals

easy single bolt mount makes it extremely versatile

On the other end of the spectrum you also run into issues where the water pump starts to spin too fast at the top end of your rev range causing cavitation

Hose Reducer 2.50-3.25" BLACK TS-HR250325-BK black the better it seals)High performance multi layered Silicone hose. Constant temp resistant from 50 to 170 degrees Celsius ( 60 to 340 degrees Fahrenheit) and pressure rated to 220PSI with a 5mm wall thickness. Engineered to Win by Turbosmart.