
GSC Power-Division GR Corolla Conical Valve Spring with Ti Retainer and Seat - GSC5017
GSC Power-Division Conical Valve Spring Kit with Ti Retainer for the Toyota G16E-GTS found in the GR Yaris and GR Corolla 107 lbs @ 1.310" install height 263lbs @ 0.838" (12mm Valve Lift) Check your valve spring install heights here Setup Coil Bind (in) Install Height (in) Seat Pressure (lbs) Open Pressure12.0mm Lift MaximumValve Lift(in) Conical .787 1.310 107 236lbs@ 0.838" 0.472 Max RPM: 10,000 RPM Max boost: 60 psi The GSC Power-Division Conical Valve Spring Kit with Ti Retainer for the Toyota G16E-GTS for the GR Yaris and Corolla includes 12 titanium retainers (6 Intake and 6 Exhaust) and 12 Conical valve springs and 12 new Spring Seats. True conical valve springs aren’t a new concept—they’ve been proven in the industry to offer several key advantages over traditional spring designs. One of the biggest benefits of conical springs compared to traditional cylindrical or beehive springs is their ability to dampen and eliminate valvetrain harmonics. Out of the th