Supertech Performance
Supertech Performance Valve Spring Kit - Dual Valve Springs - Springs: SPR-A2095 (24) / SPR-H1002D (16) - Retainers: AU5VI/T (24) / RET-AU5VE/T4 (16) - Seat: SEAT-H1000 (16, Exhaust Only) SPRK-AUDI4.2T
Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech...