MWR’s most popular 2ZZ valve springs! These springs offer a significant rate increase (15%) over the stock spings without causing unnecessary friction or wear even at high mileage. Trusted by endurance racers worldwide! They work great for street or racing up to 9000rpm with stock cams or to 8600rpm with aftermarket cams. Manufactured to the highest standards, these springs are a direct replacement for your stock valve springs with no modifications necessary. Works with stock or MWR Titanium retainers. A set includes all 16 springs.
Seat pressure – 60 lbs @ 38.5mm
Open pressure – 155 lbs @ 26.5mm
Rate – 200 lb/in
Coil bind height – 25mm
Max net lift – 12.5mm
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