Manufactured to the highest standards, these valve springs are a direct replacement for your stock valve springs and offer approximately 20% more spring rate. They’ll allow you to safely rev the engine higher and avoid valve float. These springs are designed to work with stock camshafts or with aftermarket camshafts. A set includes all 16 springs.
Seat pressure – 41 lbs @ 33.5mm
Open pressure – 99 lbs @ 23.0mm
Rate – 140 lb/in
Max net lift – 12.5mm
|Type of Part||Engine|
|Engine Fitment||1.8L (1ZZ-FE)|