Product Overview
High-performance camshaft set for Audi 1.8T 20v engines. Complete dual camshaft solution (inlet and exhaust) with matched valve train components. Engineered for naturally aspirated and turbocharged applications with precision ground lobe profiles.
Engine Applications
Fits: Golf Mk4 GTI · Audi A3 8L · Audi A4 B5 / B6 · Audi TT 8N · Seat Leon · Skoda Octavia · Passat B5
Engine codes
NA — ADR, APT, ARG, AGN, AFY, AVC, ARH
Turbo — AEB, AGU, AJH, AJL, AJQ, AMB, AMK, AMU, APH, APX, APY, AQX, AUM, AUQ, AWP, AWD, AWW, AWM, AWT, ARY, ARX, ARZ, AVJ, BAM, BEA, BEX, BFB, BJX, BBU, BKV, CFMA
What’s Included
- Set Performance Camshafts 252/262HT
- 8 × Exhaust Dual Springs + 8 × Chromoly Retainers
- 12 × Inlet Single Springs + 12 × Chromoly Retainers
- 8 × Forged Exhaust Valves 30x6x115mm
- 12 × Forged Inlet Valves 27x6x115mm
Material Specifications
Camshafts: Chilled Cast Iron or Machined Billet – Precision ground with tight tolerances
Valve Springs: Premium Chrome Silicon Steel – Dual spring design
Retainers: 4130 Chromoly Steel
Key Benefits
Optimized valve timing for 1.8T 20v power delivery
Compatible with stock and upgraded valve train
Proven gains on naturally aspirated and turbocharged setups
Complete matched system engineered to work together
Application
Designed for Audi 1.8T 20v engines.
Installation Notes
Professional installation and tuning required. Verify all clearances. Degree camshafts for optimal power band placement. Use high-zinc break-in oil.



