Valve dataInstalled seat pressure - 34kg (75lbs)Load - 63kg@10mm (140lbs@10mm)Maximum travel - up to 12mmMade of chrome-silicon steel SAE9254-VBMW / Toyota - 3.0 24V Turbo (B58, S58)With this set, the risk of vibrations is minimized valve and possible failure engine. Recommended for engines with mechanical and racing camshafts and operating above 7,500 rpm. The set includes: 24 pcs. wedge valve springs, 12 pcs. 5mm titanium pins, 12 pcs. 6mm titanium pins