Description

The vision is for Kelford Cams to be known as one of the best in the camshaft industry, to be recognised worldwide for manufacturing high quality, high performance camshafts for the motorsport industry. We are a small company that, since 1968 has specialised in custom camshafts to suit the individual requirements of each racer. We have a vast knowledge of engine combinations for all types of motor sport and we know how to match camshafts to engine and vehicle requirements. All of our cams are manufactured in-house using ultra-modern design systems and ground using masterless CNC grinders with CBN cutting wheel technology for superior quality and consistency.

  • 262/272 Degrees advertised duration, 9.30mm/9.35mm lift
  • 272 Degree street / strip camshafts. No cylinder head clearancing needed.

Specifications

Engine Make: Engine Model: Part Number:
NISSAN RB25 NVCS 246-A2
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 9.30mm Exhaust: 9.35mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.30mm Exhaust: 9.35mm
Advertised Duration @ 0.10mm Intake: 262 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 222 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: 0.85



Compatibility

  • 1995-1998 Nissan Skyline R33 GTS-T

The vision is for Kelford Cams to be known as one of the best in the camshaft industry, to be recognised worldwide for manufacturing high quality, high performance camshafts for the motorsport industry. We are a small company that, since 1968 has specialised in custom camshafts to suit the individual requirements of each racer. We have a vast knowledge of engine combinations for all types of motor sport and we know how to match camshafts to engine and vehicle requirements. All of our cams are manufactured in-house using ultra-modern design systems and ground using masterless CNC grinders with CBN cutting wheel technology for superior quality and consistency.

  • 262/272 Degrees advertised duration, 9.30mm/9.35mm lift
  • 272 Degree street / strip camshafts. No cylinder head clearancing needed.
Engine Make: Engine Model: Part Number:
NISSAN RB25 NVCS 246-A2
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 9.30mm Exhaust: 9.35mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.30mm Exhaust: 9.35mm
Advertised Duration @ 0.10mm Intake: 262 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 222 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: 0.85



  • 1995-1998 Nissan Skyline R33 GTS-T

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