Intake: 1.325" installed height, 60 lbs. seat pressure, 204 lbs. open pressure, 0.450" lift; Exhaust: 1.340" installed height, 50 lbs. seat pressure, 165 lbs. open pressure, 0.450" lift

• Made in the USA
• Designed with increased spring rates and high lift compatibility compared to the stock springs
• Compatible with boosted or turbocharged applications
• CNC-machined titanium or H.T. (Heat Treated) Steel retainers and Cr-Si (Chromium Silicon) alloy dual springs provide valvetrain control at high rpms with high-performance camshaft capability