Kelford valve springs, Nissan RB20DET / RB25DET, non-NVCS Single
Valve spring set for Nissan RB20DET / RB25DET, non-NVCS engines.
Technical specifications
| Part number | KVS20 |
|---|---|
| Engine | Nissan RB20DET / RB25DET, non-NVCS |
| Spring design | single springs |
| Spring material | PACALOY |
| Seat load | 85 lb / 36.0 mm installed height |
| Open load | Not stated, ask for more information. |
| Coil-bind height | 22.0 mm |
| Maximum stated valve lift | Not stated, ask for more information. |
Installation and use
Only for early heads without NVCS. Uses OEM retainers and spring seats.
Engine and vehicle examples
Nissan Skyline R32 GTS-t, RB20DET
Early RB25DET engines without NVCS
Examples refer to models using the stated engine. Check the engine code, cylinder-head version and actual valvetrain assembly before ordering.
Suomi

