Kelford Cams RB25 VCT Camshafts 262/262 9.30mm/9.30mm lift (246-A)
262/262 Degrees advertised duration, 9.30mm/9.30mm lift.
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262 Degree street performance cams. Low duration, low overlap, maximum velocity, for ultimate throttle response. No cylinder head clearancing needed. OEM spring can be used with 7500rpm and 1bar of boost.
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| Engine Make: | Engine Model: | Part Number: | |||||
| NISSAN | RB25 NVCS | 246-A | |||||
| Valve Clearance: | Intake: | Set | at the | ||||
| Exhaust: | Set | at the | |||||
| Cam Lift: | Intake: | 9.30mm | Exhaust: | 9.30mm | |||
| Rocker Ratio: | Intake: | 1 | Exhaust: | 1 | |||
| Nett Valve Lift: | Intake: | 9.30mm | Exhaust: | 9.30mm | |||
| Advertised Duration @ | 0.10mm | Intake: | 262 | Exhaust: | 262 | ||
| Duration @ | 1.00mm VALVE LIFT | Intake: | 222 | Exhaust: | 222 | ||
| Timing @ | 1.00mm VALVE LIFT | IVO: | EVO: | 45 BBDC | |||
| IVC: | EVC: | 3 BTDC | |||||
| Suggested Centre Lines: | Intake: | VARI | Exhaust: | 114 | |||
| VALVE | Lift @ TDC | Intake: | Exhaust: | 0.81 | |||
| Product Name | Kelford Cams RB25 VCT Camshafts 262/262 9.30mm/9.30mm lift (246-A) |
|---|---|
| Brands | Kelford |
| Engine | RB25 |
| Make | Nissan |
Delivery & Freight
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Why choose matched valve springs for performance cams?
Spring pressure must match the cam profile and rpm limit. Too little causes valve float; too much causes wear.
Do I need adjustable cam gears?
They allow fine-tuning of cam timing, especially useful after head machining or when running non-standard cams.
What is the maximum RPM for the Kelford Cams RB25 VCT Camshafts 246-A?
These camshafts are designed to work effectively up to 7500 RPM when used with OEM valve springs. Ensure proper tuning and fuel quality to achieve optimal performance.
Do I need to modify my RB25 cylinder head to install the Kelford Cams 246-A?
No cylinder head clearancing is needed for the installation of these camshafts, making them a straightforward upgrade for your RB25.
What boost levels can I run with the Kelford Cams 246-A?
These camshafts can handle up to 1 bar of boost. However, ensure your engine is properly tuned to maintain reliability and performance.
What are the recommended valve clearances for the Kelford Cams 246-A?
Valve clearances should be set according to OEM specifications for the RB25. Always double-check clearances after installation to ensure proper operation.
What is the effect of the 262-degree duration on throttle response?
The low duration and low overlap of the 262-degree camshafts provide maximum velocity, resulting in improved throttle response, particularly beneficial for street performance applications.
