ZZPerformance 1.4L Titanium Retainers 72# Valve Springs Chevy Sonic Cruze Spark
ZZPerformance 1.4L Titanium Retainers 72# Valve Springs Chevy Sonic Cruze Spark. ZZPerformance 1.4L Turbo 72# Valve Springs and Titanium Retainers Combo. For 1.4L Turbo engines on Chevy Sonic, Cruze, Trax, Encore, etc. The Sonic and Cruze comes with very light valve springs from the factory. Whenever you bump the rev limiter and/or boost the valve […]