KELFORD KVS273-BT Valve Spring for AUDI RS3
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Audi RS3 2.5L EA855 DAZA 5 Cylinder Engine
Premium quality spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life.
Audi RS3 valve springs have a high spring frequency for superior spring surge control under high RPMs and boast a 30% higher seat pressure than the OEM spring.
The RS3 beehive valve spring kit is specifically designed for high boost and high RPM applications.
- 104lbs seated pressure at 36.0mm installed height.
- 198lbs at 11.5mm valve lift.
- Coil bind at 23.6mm.
In stall supplied spring seat on intake only.