Product Overview
High-performance single valve spring kit for VW Golf 5 GTi (BWA / AAX). Manufactured from premium Chrome Silicon steel with lightweight Chromoly retainers. Eliminates valve float and coil bind, rated at 8500rpm. Ideal for naturally aspirated and turbocharged builds.
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
Technical Specifications
Seating Pressure @ 37.2mm = 85lbs
Full Lift = 175lbs
Full Lift Pressure = 175lbs
Material Specifications
Valve Springs: Premium Chrome Silicon Steel (CrSi) – Shot peened and heat treated for superior fatigue resistance
Retainers: 4130 Chromoly Steel – Reduces inertia while ensuring long-term durability
Performance Rating: 8500rpm capability
Lift Capacity: Up to 12mm camshaft lift
Application
Designed specifically for VW Golf 5 GTi (BWA / AAX). Compatible with high-lift camshafts and forced induction applications.
Installation Notes
Professional installation recommended. This is not a straight forward replacement kit. Correct spring heights and travel are essential to avoid coil bind.
