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

Adjustment Range:

Incorporating ARP's ultimate fasteners delivers the ultimate clamping ability at high horsepower and rpm

aerospace grade 4340 steel billet material

2002-2024 Subaru WRX/ STi (VA/VB/EJ20/EJ25)*

prevent seizures and cracking under high stress loads

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