If you want to upgrade this kit to full PRO version in the future

The Wisefab Corvette rear kit is designed to push the engineering limits of the popular American sports car - Packed with features that allow for a wide range of adjustability

Thread lenght: 55mm

Nitronic 40 Valve Guide & High Temp 347 SS Body

and they leak

IWG75 EVO 9 Black 26PSI Nissan If you want to upgradeMitsubishi Evo Internal Wastegate Actuator (IWG) provides better turbo response and greater sensitivity when managing boost pressures. Designed as a direct bolt on replacement for the factory part, the Mitsubishi Evo IWG is easy to install and requires no special tools or fabrication. It cant get any easier! FEATURES: Silicone diaphragm with Nomex reinforcement to withstand high temperatures. High grade, billet aluminium construction. Stainless steel