Product Overview
Complete high-performance dual valve spring and forged valve kit for VW/Audi 1.8T 20v exhaust applications. Includes 21-4N Stainless Steel forged valves, Chrome Silicon dual valve springs, and Chromoly retainers. Rated up to 9000rpm.
What’s Included
- 8 × inner valve spring
- 8 × outer valve spring
- 8 × Chromoly retainers
- 4 × Inlet Forged Valve 40x7x118mm
- 4 × Exhaust Forged Valve 33x7x118mm
Technical Specifications
Seating Pressure @ 34mm = 91lbs
Full Lift = 200lbs
Full Lift Pressure = 200lbs
Material Specifications
Forged Valves: 21-4N Stainless Steel – CNC machined, heat-treated
Valve Springs: Premium Chrome Silicon Steel – Dual spring design
Retainers: 4130 Chromoly Steel
Performance Rating: 9000rpm capability
Lift Capacity: Up to 14mm camshaft lift
Application
Designed for VW/Audi 1.8T 20v exhaust applications.
Installation Notes
Professional installation required. Not a straight forward replacement. Verify spring heights and valve travel to avoid coil bind.
