Kelford valve springs + retainers, Subaru EJ20 / EJ25 DOHC Extreme Beehive
Valve springs and titanium retainers for Subaru EJ20 / EJ25 DOHC engines. Designed for high-rpm, high-boost racing engines.
Technical specifications
| Part number | KVS220-X |
|---|---|
| Engine | Subaru EJ20 / EJ25 DOHC |
| Spring design | Beehive |
| Spring material | silicon-chrome spring steel |
| Retainers | Titanium, included |
| Seat load | 120 lb / 35.5 mm installed height |
| Open load | 245 lb / 11.5 mm valve lift |
| Coil-bind height | 22.0 mm |
| Maximum stated valve lift | 12.5 mm |
Installation and use
Includes spring seats to establish installed height. High spring loads require followers suitable for the assembly.
Engine and vehicle examples
Subaru Impreza WRX, EJ20
Subaru Impreza WRX STI, EJ20 / EJ25
Examples refer to models using the stated engine. Check the engine code, cylinder-head version and actual valvetrain assembly before ordering.
Suomi

