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.

  • 280/280 Degrees advertised duration, 9.35mm/9.35mm lift
  • RB 25 NVCS 272 Degree High lift Race profiles for high performance race builds. Machining is needed for cam swing. Must use KVS25R spring.

Specifications

Engine Make: Engine Model: Part Number:
NISSAN RB20&25DE/T HL182-C
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 9.35mm Exhaust: 9.35mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.35mm Exhaust: 9.35mm
Advertised Duration @ 0.10mm Intake: 280 Exhaust: 280
Duration @ 1.00mm VALVE LIFT Intake: 234 Exhaust: 234
Timing @ 1.00mm VALVE LIFT IVO: 7 BTDC EVO: 51 BBDC
    IVC: 47 ABDC EVC: 3 ATDC
Suggested Centre Lines:   Intake: 110 Exhaust: 114
VALVE Lift @ TDC Intake: 1.59mm Exhaust: 1.20



Compatibility

  • 1989-1994 Nissan Skyline R32 GTS
  • 1984-1989 Nissan Laurel C32
  • 1995-1998 Nissan Skyline R33 GTS-T
  • 1999-2002 Nissan Skyline R34 GTT

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.

  • 280/280 Degrees advertised duration, 9.35mm/9.35mm lift
  • RB 25 NVCS 272 Degree High lift Race profiles for high performance race builds. Machining is needed for cam swing. Must use KVS25R spring.
Engine Make: Engine Model: Part Number:
NISSAN RB20&25DE/T HL182-C
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 9.35mm Exhaust: 9.35mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.35mm Exhaust: 9.35mm
Advertised Duration @ 0.10mm Intake: 280 Exhaust: 280
Duration @ 1.00mm VALVE LIFT Intake: 234 Exhaust: 234
Timing @ 1.00mm VALVE LIFT IVO: 7 BTDC EVO: 51 BBDC
    IVC: 47 ABDC EVC: 3 ATDC
Suggested Centre Lines:   Intake: 110 Exhaust: 114
VALVE Lift @ TDC Intake: 1.59mm Exhaust: 1.20



  • 1989-1994 Nissan Skyline R32 GTS
  • 1984-1989 Nissan Laurel C32
  • 1995-1998 Nissan Skyline R33 GTS-T
  • 1999-2002 Nissan Skyline R34 GTT

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