GSC Conical Valve Springs and Retainer Set for Toyota GR Corolla (GSC5017) Aeromotive the massive 45mm diaphragm maintains

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

Vehicle Fitment: Part Number: 2002-2007 WRX GSS28-71SS4 2004 STi GSS28-71SS4 2005-2007 STi GSS64-71SS4 2015-2021 STi GSSB0-71SS1 2013-2021 BRZ GSTD8-71SS4

Adjustment Range:

aerospace grade 4340 steel billet material

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

GSC Conical Valve Springs and Retainer Set for Toyota GR Corolla (GSC5017) Aeromotive the massive 45mm diaphragm maintainsGSC 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