Kelford

Kelford Camshafts for R34 RB25DET NEO

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  • Regular price $865.00
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244-A

264 Degree street performance cams. No cylinder head clearancing required. Can run stock valve spring up to 7500rpm and 1bar of boost.

Engine Make: Engine Model: Part Number:
NISSAN RB25 NEO 244-A
Valve Clearance: Intake: 0.25mm Set COLD at the CAM
  Exhaust: 0.30mm Set COLD at the CAM
 
Cam Lift:   Intake: 9.20mm Exhaust: 9.20mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 8.95mm Exhaust: 8.90mm
Advertised Duration @ 0.10mm Intake: 264 Exhaust: 264
Duration @ 1.00mm VALVE LIFT Intake: 226 Exhaust: 226
Timing @ 1.00mm VALVE LIFT IVO: EVO: 47 BBDC
    IVC: EVC: 1 BTDC
Suggested Centre Lines:   Intake: VARI Exhaust: 114
VALVE Lift @ TDC Intake: Exhaust: 0.87

 

 

244-A2

272 Degree street/strip performance cams. No cylinder head clearancing required. Can run stock valve spring up to 7500rpm and 1bar of boost.

Engine Make: Engine Model: Part Number:
NISSAN RB25 NEO 244-A2
Valve Clearance: Intake: 0.25mm Set COLD at the CAM
  Exhaust: 0.30mm Set COLD at the CAM
 
Cam Lift:   Intake: 9.20mm Exhaust: 9.20mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 8.95mm Exhaust: 8.90mm
Advertised Duration @ 0.10mm Intake: 264 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 226 Exhaust: 234
Timing @ 1.00mm VALVE LIFT IVO: EVO: 51 BBDC
    IVC: EVC: 3 ATDC
Suggested Centre Lines:   Intake: VARI Exhaust: 114
VALVE Lift @ TDC Intake: Exhaust: 1.20

 

 

244-B

272 Degree high lift camshafts to suit high performance well built engines. Great with the use of a 3ltr bottom end and E85. Must use KVS25NEO spring kit.

Engine Make: Engine Model: Part Number:
NISSAN RB25 NEO 244-B
Valve Clearance: Intake: 0.25mm Set COLD at the CAM
  Exhaust: 0.30mm Set COLD at the CAM
 
Cam Lift:   Intake: 9.85mm Exhaust: 9.90mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.60mm Exhaust: 9.60mm
Advertised Duration @ 0.10mm Intake: 264 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 230 Exhaust: 238
Timing @ 1.00mm VALVE LIFT IVO: EVO: 55 BBDC
    IVC: EVC: 3 ATDC
Suggested Centre Lines:   Intake: VARI Exhaust: 116
VALVE Lift @ TDC Intake: Exhaust: 1.27