LF3/LF4 82# Valve Springs Sonic-Cruze All manufacturing operations are ISO

All manufacturing operations are ISO and/or TUV compliant or certified

To achieve this pressure

Fits 2011-2013 Regal 2

we will do our own in house testing once they have been received in and report back with numbers

LF3/LF4 82# Valve Springs Sonic-Cruze All manufacturing operations are ISOThis is a full set of 24 titanium retainers and 82# valve springs for your LF3 or LF4 3. 6 twin turbo which comes in the ATS V, CTS XTS V Sport, and CT4 Blackwing. The factory valve springs can start to float at around 6000rpm when you turn up the boost. These valve springs will safely add around 1000 more RPMs to your power band. It is hard on valve springs and valves when they float (they can break and drop a valve into the cylinder), so these valve