OEM wastegate actuators tend to use soft springs

71mm lenght key

Suitable for Single or Twin Port Boost-Based Control

This takes the guess work out of restrictor

response by up to 800 rpm earlier in the rev range – this means that you can increase the performance and response from your engine without even raising the maximum boost level

Hose Reducer 2.00-2.75" BLACK" Nuts OEM wastegate actuators tend toHigh 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.