Ferrea Dual Valve Spring Kit for DSM / Evo 1-3 (S10036 E11005 SL1009) AMS Evolution VIII-IX MR 6-Speed

Evolution VIII-IX MR 6-Speed

STM Part Number: Includes: STM-RS5-WHSP-11 (4) R Spacers

• Optional Eccentric Lockout Kit

Redesigned In February 2026:

Both the XT (Xtreme) and HD (Heavy Duty) pressure plates are available for purchase

Ferrea Dual Valve Spring Kit for DSM / Evo 1-3 (S10036 E11005 SL1009) AMS Evolution VIII-IX MR 6-SpeedFerrea dual valve spring kit for the 1G 2G DSM, GVR4 and Evo 1 2 3 models. Kit includes 16 dual turbo special alloy valve springs with 16 titanium retainers and 16 spring seat locators. Vehicle Fitment: Mitsubishi 4G63 1G 2G DSM 1992 1995 Evolution I II III 1990 1999 Eclipse GST GSX 1990 1998 Talon TSi 1990 1994 Laser RS 1991 1993 Galant VR4 Includes: (16) Dual Valve Springs (S10036) (16) Titanium Retainers (E11005) (16) Spring Seat Locators (SL1009)