GSC Single Valve Spring and Ti Retainer Set EJ A/F Sensor DFV opens more quickly and

DFV opens more quickly and easily during minor road imperfections

Pistons - Cosworth 4032 Forged 8

Legacy Spec B MY07-09 (6MT TY856)

Spring harmonic frequencies must also be moved outside of the normal operating range to avoid negative effects

GSC Single Valve Spring and Ti Retainer Set EJ A/F Sensor DFV opens more quickly andKEEP YOUR VALVES UNDER CONTROL GSC's singe cylindrical valve spring kit is their entry level performance valve spring option at an economical cost. The lower open pressure is ideal for milder cam options and or less extreme rpm conditions.. Upgraded valve springs are essential for controlling valve movement with more aggressive cam profiles. A higher spring rate is also necessary under high boost conditions due to the manifold pressures acting against