Description
The best and only ZR high performance valve springs available anywhere, an MWR exclusive!
Fits:
1ZR-FE 1.6L (European Corolla)
1ZR-FAE 1.6L (Elise S)
2ZR-FE 1.8L (2009+ Corolla/Matrix, 2008+ Scion xD)
2ZR-FAE 1.8L (some 2014+ Corolla/Matrix models with high efficiency engine, iM 2016-18)
These springs offer a significant rate increase (50%) over the stock springs without causing unnecessary friction or wear even at high mileage. Trusted by endurance racers worldwide! They work great for street or racing up to 8500rpm with stock or aftermarket (up to 13.75mm lift!) cams. Manufactured to the highest standards, these springs are a direct replacement for your stock valve springs with no modifications necessary. Fits with stock or aftermarket valves and retainers. A set includes all 16springs.
Specs:
Free Length – 43.9mm
Seat Force – 75 lbs
Open Force @ 11mm lift – 185 lbs
Coil Bind – 22.75mm
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