Universal Type S / RS Style Blow Off Valve Gunmetal Top and Polished Lip Underdrive Manufactured from high quality CNC

Manufactured from high quality CNC machined forged steel construction for superior strength and durability

1961-1966 Pontiac Bonneville

Also factory non-turbo engines without forged internal components on high octane pump gas (91-92 octane) it is not recommended exceeding 7psi (

1990-1995 Toyota MR2 (Turbo or Non-Turbo)

2007 GMC Sierra 2500 HD Classic (6

Universal Type S / RS Style Blow Off Valve Gunmetal Top and Polished Lip Underdrive Manufactured from high quality CNCDirect Bolt On For All Turbo Application With Flange Universal Fitting Kit. This Blow Off Valves Are Easily Adjustable To Prevent Both Premature Boost Leakage And Compressor Surge. The Spring Stiffness Adjustment Screw And The Two Different Size Give The User The Option To Match Vehicle With Mild Upgrades To Heavily Tuned Engines. It Can Hold Up To 1200HP Or 25 PSI Of Boost Pressure. No Installation Guides . Professional Install Suggested NOTES: There