Kelford valve springs + retainers, Mitsubishi 4B11T Evo X Beehive
Valve springs and titanium retainers for Mitsubishi 4B11T Evo X engines. Designed for high-rpm, high-boost racing engines.
Technical specifications
| Part number | KVS11-BT |
|---|---|
| Engine | Mitsubishi 4B11T Evo X |
| Spring design | Beehive |
| Spring material | PACALOY |
| Retainers | Titanium, included |
| Seat load | 85 lb / 34.2 mm installed height |
| Open load | 185 lb / 11.5 mm valve lift |
| Coil-bind height | 21.0 mm |
| Maximum stated valve lift | Not stated, ask for more information. |
Installation and use
Manufacturer-rated capability: up to 10,000 rpm and 50 psi boost in a suitable engine build.
Engine and vehicle examples
Mitsubishi Lancer Evolution X 2.0 Turbo
Examples refer to models using the stated engine. Check the engine code, cylinder-head version and actual valvetrain assembly before ordering.
Suomi

