Nissan VR38DETT. Valve spring and Titanium retainer set for extreme high boost and high rpm drag racing engines. Ovate wire conical spring made with high quality spring steel and the highest level processing treatments for improved fatigue life. Ultra high natural frequency to help control spring surge at high rpm. Designed for the fastest GT-Rs in the world.
- Intake: 130lb at 35.5mm (1.398″) installed height. 270lb at 11.0mm valve lift.
- Exhaust: 153lb at 33.35mm (1.313″) installed height. 306lb at 11.0mm valve lift.
- Coil bind height of spring 21.6mm (.850″).
NISSAN VR38DETT
Nissan
VR38DETT R35 GT-R
Kelford Cams Range
231-A | 266/266 10.00mm/9.25mm Valve Lift
Stage 1 EZ-Power cams to suit stock engines with bolt on upgrades. Maintains good drivability and throttle response for street cars. Can use OEM valve springs if boost and RPM limit are kept original. For high mileage engine Kelford Cams recommends KVS38-BT valve spring kit.
231-S6 | 274°-266/274 10.60mm-10.55mm/10.55mm Valve Lift
Split lobe design cams to promote swirl and maximise cylinder filling efficiency. Suits street and motorsport applications such as track days, roll racing and circuit racing. Suits engines with upgraded turbos in the 48-54mm range. Good increase in mid-range to high rpm power. Must have upgraded valve springs, Kelford Cams recommends KVS38-BT valve spring kit.
231-B2 | 274/274 10.60mm/10.55mm Valve Lift
274° stage 2 high lift cams for street and motorsport applications such as track days and roll racing. Suits engines with upgraded turbos in the 48-54mm range. Good increase in mid-range to high rpm power. Must have upgraded valve springs, Kelford Cams recommends KVS38-BT valve spring kit.
231-C | 276/276 11.00mm/10.97mm Valve Lift
276° stage 3 cams to suit well built racing engines. Suitable for many types of motorsport applications including roll racing and road racing. Improved mid to high rpm power. Turbo sizing in the range 54-66mm. Great with E85 fuel. Must have upgraded valve springs, Kelford Cams recommends KVS38-BT valve spring kit.
231-D | 284/290 10.60mm/10.57mm Valve Lift
Camshafts Designed for roll racing and drag racing. Suited to engines running high boost and high rpm. Suits engines with twin turbos in the 62mm+ range. Great with E85 or methanol fuel. Must have upgraded valve springs, Kelford Cams recommends KVS38-BT valve spring kit.
231-E | 292/306 11.00mm/11.00mm Valve Lift
296°/306° cams for professionally built pro drag racing and roll racing engines making 2000hp+. Fuel type methanol.