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.
Install supplied spring seat on intake only.