High Performance Valve Spring and 8mm Titanium Retainer Set For Porsche 993 (ENG 993 105 901 HP PMS)
High Performance Engine Valve Springs, Valve Seats, And 8mm Titanium Spring Retainer Set For Lightweight Valve Control On All 1995-1998 993 / 993 Turbo 3.6-3.8L Cylinder Heads - Ideal For All Street / Sport / Race Engines - Patrick Motorsports USA - Sold As A Set (12) - 1 Set Per Engine - NOTE: NOT COMPATIBLE WITH O.E. Valve Springs or O.E. Valve Seats.
Complete Set Includes: + (QTY 12) HP Engine Valve Spring Sets (Inner And Outer Springs) + (QTY 12) HP 8mm Titanium Valve Spring Retainers + (QTY 12) HP Valve Spring Seats
Alternate Part Numbers: ENG 993 105 901 HP PMS / ENG-993-105-901-HP-PMS / ENG.993.105.901.HP.PMS / ENG993105901HPPMS
01/16/2026