Kelford Valve Spring and TI Retainer Set for 2008-2021 Nissan GT-R

Engineered to match our camshafts for the ultimate in quality, performance and reliability. Intake: 36.75mm Installed height 80lb closed pressure. 180lb at 11mm lift. 24mm coil bind height. Exhaust: 33.75mm installed height, 80lb closed pressure. 180lb at 11mm lift. 21mm coil bind height.