Built from the highest quality materials, SPA Turbo wastegates are function and form wrapped in one hard to crack package. SPA Turbo units come with one year limited warranty and are a great complement to our turbochargers and manifolds. All wastegates come with a secondary port, in addition to the adjustable spring rate and main ports, to increase your tuning options. Good up to 600 HP • 38mm valve • Fully adjustable spring rate; from 6 psi to 22 psi • Also available 14.5 psi springs • Teflon ring around membrane • Stainless steel base and internals • Billet aluminum body • 2-bolt fitting • Available in silver, blue, red and black