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operating at very high temperature and high rpm
The OEM clutch pedal return spring on the GT86/FR-S/BRZ is quite stiff
Suits S13 34mm Piston Size
whilst maintaining the capability to rev highly and remain strong and reliable
PAC 1204X | Dual Springs Nitto Tyres operating at very high temperatureCHEVROLET LS1. PAC 1204X RPM Series Dual Spring set of 16. Premium quality Japanese spring steel wound in USA by PAC. Made with advanced heat treatment processing and surface finishing techniques (nano peening) to extend fatigue life. High spring frequency to allow for better spring surge control at high rpm. 145lb at 1. 800" installed height. 385lb at 0. 650" valve lift. Coil bind (spring solid height) 1. 000". RET135 16 is the matching Titanium
US$ 34.00
US$ 34.00
