Integrated Engineering Valve Spring & Retainer Kit | MK4 GTI · Jetta · GLI · MK1 Beetle · B5 Passat · A4 · B6 A4 · MK1 TT | 1.8L Turbo I4 F01 · F02 ActiveHybrid 7 3.0L Turbo I6 [N55] 8MM diameter HPFP piston

8MM diameter HPFP piston

JXB Performance Billet Linkage Reinforcement Kit

Keep your GTI and Golf R cool with the IE FDS Intercooler

Unique internal design reaches peak boost faster improving acceleration

APR Open PEX Intake

Integrated Engineering Valve Spring & Retainer Kit | MK4 GTI · Jetta · GLI · MK1 Beetle · B5 Passat · A4 · B6 A4 · MK1 TT | 1.8L Turbo I4 F01 · F02 ActiveHybrid 7 3.0L Turbo I6 [N55] 8MM diameter HPFP pistonThis high quality IE valve spring and titanium retainer kit features spring rates optimized to match your vehicle specifications and provide proper valve control preventing valve float in high power and high revving applications. Increasing your engines power output often comes with modifications that require more RPMs to get the most out of it, such as larger turbochargers, tuned intake manifolds, and high output software tunes. Upgrading those