VS Racing Gen 3 piston-style 50mm wastegate complete kit with flanges, vbands, and misc fittings. 
The preinstalled spring combination (6+4) is approximately 10psi. This kit includes one additional 4psi spring:
 
The ports are 1/8npt threaded and include 2 ports for the "bottom" of the wastegate, 2 ports for the "top".
 
Please understand how all the ports work prior to running the vehicle. If ports are hooked up incorrectly, severe engine damage cant result from an overboost condition. 
 
Any installation questions, please contact us at info@BoostXMotorsports.com