GSC Conical Valve Springs and Retainer Set for Toyota GR Corolla (GSC5017) Aeromotive Adjustment Range:

Adjustment Range:

please use K&N 99-5000

prevent seizures and cracking under high stress loads

the massive 45mm diaphragm maintains that set pressure with unrivaled accurately

ensuring optimal longevity in high temperature environments

GSC Conical Valve Springs and Retainer Set for Toyota GR Corolla (GSC5017) Aeromotive Adjustment Range:GSC Power Division offers a Conical Valve Spring Kit for the Toyota G16E GTS found in the GR Corolla and GR Yaris. This spring and retain kit includes 12 titanium retainers, conical valve springs, and new spring seats. Conical springs, known for their ability to dampen valvetrain harmonics, reduce stress and wear on engine components, offering longer life and improved stability. With a specialized surface and heat treatment process, these springs