STP Performance Parts – Uprated Valve Spring & Forged Valve Kit for VW/Audi 2.0 TFSI EA113 (K03/K04 & Big Turbo)
Complete kit includes:
Racing Valve Springs
12 × Inlet Single Springs + 12 × Chromoly Retainers
8 × Exhaust Dual Springs + 8 × Chromoly Retainers
Higher seat pressure and increased coil-bind clearance for safe 8000–8500+ RPM operation
Forged Performance Valves (shortened stem for hydraulic tappet use)
12 × Inlet Valves – 27 mm × 6 mm × 118 mm (one-piece forged, swirl-polished)
8 × Exhaust Valves – 30 mm × 6 mm × 118 mm (one-piece forged, Inconel-compatible material)
Compatibility:
Suitable for both hydraulic tappet and solid-lifter conversions (solid conversion requires additional shims). Perfect upgrade for 400–700+ hp EA113 2.0 TFSI builds running hybrid K04 or larger turbos.
