Manley PerformanceManley Subaru WRX/STI 16pc Valve Springs (1.050/.755) (for use with 23180-16 Retainers)$152In stockChoose Options
Manley PerformanceManley Subaru WRX/STi Valve Spring and Retainer Kit (w/o Valve Locks) (16 each)$365In stockChoose Options
GSC Power DivisionGSC P-D Toyota 2JZ-GTE / Nissan VR38DETT .5mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)$40In stockChoose Options
GSC Power DivisionGSC P-D Toyota 2JZ-GTE / Nissan VR38DETT 1mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)$40In stockChoose Options
GSC Power DivisionGSC P-D Toyota 2JZ / Nissan VR38DETT 0.060in Thick 1.085in OD 0.725in ID Spring Seat Kit (Set of 24)$54In stockChoose Options
GSC Power DivisionGSC P-D 4G63T .035in over OEM Chromoly CNC Spring Seat for Mitsubishi - Set of 16$69In stockChoose Options
GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 1/2 Conical Valve Spring and Titanium Retainer Kit$785In stockChoose Options
GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 1/2 High Pressure Conical Valve Spring & Ti Retainer Kit$835In stockChoose Options
GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 3 Conical Valve Spring and Ti Retainer Kit$802In stockChoose Options
GSC Power DivisionGSC P-D Ford 5.2L Voodoo/Predator Conical Spring & Ti Retainer Kit$802In stockChoose Options
GSC Power DivisionGSC P-D Toyota G16E Conical Valve Spring and Ti Retainer Kit$459In stockChoose Options
GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F Conical Valve Spring and Ti Retainer Kit$516In stockChoose Options
GSC Power DivisionGSC P-D BMW S58 Beehive Valve Spring & Ti Retainer Kit (Max Boost 70PSI)$615In stockChoose Options
GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F High Pressure Conical Valve Spring and Ti Retainer Kit$516In stockChoose Options
GSC Power DivisionGSC P-D Audi R8 V10 / Lamborghini Huracan V10 5.2L Valve Spring & Ti Retainer Kit (w/Seats & Seals)$1,820In stockChoose Options
GSC Power DivisionGSC P-D Nissan RB26DETT High Pressure Shimless Conical Valve Spring & Ti Retainer Kit (Max PSI 60)$845In stockChoose Options
GSC Power DivisionGSC P-D 4G63T EVO 8-9 Stage 1 Beehive Valve Springs (Use Factory Retainers and Spring Seats)$236In stockChoose Options
