Extreme Beehive Valve Spring and Titanium Retainer kit for Nissan RB26DETT engine. Designed for extreme boost and high RPM racing. Made from ultra clean Silicon Chrome spring steel with a higher fatigue resistance compared to other spring steels. Heat treating and post processing is the highest quality available. High frequency spring design to reduce spring surge at high operating RPM. This kit is designed for the most powerful RB engines on the planet.
- 125lb seat pressure at 35.0mm installed height. 244lbs at 11.0mm valve lift. Coil bind at 22.0mm. 12.0mm max lift. Includes spring seats to set the correct spring installed height.
- Extreme nose pressure, please use our KCF-182Â DLC bucket for improved parts longevity.

RB26DETT R32/R33 CAMSHAFTS
View Kelford Cams Range
264° street performance cams. Good throttle response. Improved low to mid-range power and fast spool. Suits twin turbo upgrade or single 54mm-66mm turbo. OEM base circle diameter. No cylinder head clearancing required.
- Kelford Cams recommend valve spring KVS15 or KVS1855-BT.
272° street/strip performance cams. More mid-high rpm power. Suits twin turbo upgrade or single 64mm-72mm turbo. OEM base circle diameter. No cylinder head clearancing required.
- Kelford Cams recommend valve spring KVS15 or KVS1855-BT.
260° high lift short duration cams. Best split between good throttle response and horsepower. Suits twin turbo upgrade or single 56mm-68mm turbo. OEM base circle diameter. Cylinder head requires machining for clearance of high lift cam lobes.
- Kelford Cams recommend valve spring KVS15 or KVS1855-BT.
272° high lift performance cams. More top end and maximum power than the 182-B. Suits twin turbo upgrade or single 64mm-76mm turbo. OEM base circle diameter. Cylinder head requires machining for clearance of high lift cam lobes.
- Kelford Cams recommend valve spring KVS15 or KVS1855-BT.
274°/270° split lobe high lift cams. Good balance between throttle response and high rpm power with a large turbo. Suits 62mm-72mm turbo. Great with E85. Ideal for well built engines with +1mm valves and ported head. Reduced base circle diameter. Cylinder head requires machining for clearance of high lift cam lobes.
- Kelford Cams recommend valve spring KVS1855-BT.
274°/270° split lobe intake, 280° exhaust. High lift racing cams. Larger exhaust cam to suit 3.0L+ bottom ends. Suits 64mm+ turbo. Great with E85. Ideal for well built engines with +1mm valves and ported head. Reduced base circle diameter. Cylinder head requires machining for clearance of high lift cam lobes.
- Kelford Cams recommend valve spring KVS1855-BT.
288°/280° split lobe intake, 292° exhaust. High lift racing cams. Best suited to wide open throttle racing applications where high rpm power is most important. Suits 68mm+ turbo. Fuel type E85 or methanol. Ideal for well built engines with +1mm valves and ported head. Reduced base circle diameter. Cylinder head requires machining for clearance of high lift cam lobes.
- Kelford Cams recommend valve spring KVS1855-BT.
292°/288° split lobe intake, 300° exhaust. High lift drag racing cams. To suit high boost alcohol drag engines running 80mm+ turbo. Ideal for well built engines with +1mm valves and ported head. Reduced base circle diameter. Cylinder head requires machining for clearance of high lift cam lobes.
- Kelford Cams recommend valve spring KVS1855-BT.