Product Overview
High-performance single valve spring kit manufactured from premium Chrome Silicon. Engineered for reliable high-RPM operation and motorsport applications. Eliminates valve float and maintains precise valve timing under extreme conditions.
Engine Applications
Fits: Golf Mk5 GTI / Edition 30 · Audi A3 8P · Seat Leon Cupra · Skoda Octavia RS
Engine codes: AXX, BWA, BYD
What’s Included
- 16 × Single Valve Springs
- 16 × Chromoly Retainers
- 8 × Inlet Forged Valves
- 8 × Exhaust Forged Valves
Technical Specifications
Seating Pressure @ 37.2mm = 85lbs
Full Lift Pressure = 175lbs
Material Specifications
Valve Springs: Premium Chrome Silicon (CrSi) – Shot peened and heat treated for superior fatigue resistance
Retainers: 4130 Chromoly – Reduces inertia while ensuring long-term durability
Performance Rating: 8500 RPM capability
Lift Capacity: Up to 12mm camshaft lift
Application
Designed for high-performance EA113 platform engines. Compatible with high-lift camshafts and performance builds.
Installation Notes
Professional installation recommended. Verify spring heights and valve travel to avoid coil bind.
