Supertech Dual Valve Springs for Vauxhall LEH-X20XEV
Built for aggressive camshafts and boosted, high-RPM engines, Supertech dual valve springs use inner and outer springs for added pressure and harmonic control.
Each spring is made from premium Superclean Chrome Silicon Vanadium steel alloy with computer-designed wire stress and controlled harmonics for consistent pressure and long fatigue life. For the Vauxhall LEH-X20XEV, Supertech offers 2 part numbers.
Key Features
- Inner and outer spring design
- Premium Superclean Chrome Silicon Vanadium steel alloy
- Computer-designed wire stress and controlled harmonics
- Multiple spring rates on select applications
- Controls valve float with aggressive cams
- Sold individually or as engine sets
Applications
Supertech dual valve springs fit the Vauxhall LEH-X20XEV with high-lift cams or forced induction. Pair with matching Supertech retainers and seats, and verify installed height and coil bind clearance before assembly.