Description:
Product Overview
Complete high-performance dual valve spring and forged valve kit for VW/Audi 1.8T 20v exhaust applications. Includes 21-4N Stainless forged valves, Chrome Silicon dual valve springs, and Chromoly retainers. Rated up to 9000rpm.
What's Included
- 8 x inner valve spring
- 8 x outer valve spring
- 8 x Chromoly retainers
- 4 x Inlet Forged Valve 40x7x118mm
- 4 x Exhaust Forged Valve 33x7x118mm
Material Specifications
Forged Valves: 21-4N Stainless - CNC machined, heat-treated
Valve Springs: Premium Chrome Silicon - Dual spring design
Retainers: 4130 Chromoly
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.
