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.

  • 280/288 Degree advertised duration, 11.50/11.50mm lift high HP racing cams.
  • These camshafts suit well built racing engines up to 35lb boost and 9000 RPM with our recommended valve springs.

Specifications

Engine Make: Engine Model: Part Number:
MITSUBISHI 4G63 EVO 1-3 1-TX280R
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 6.65mm Exhaust: 6.65mm
Rocker Ratio:   Intake: 1.73 Exhaust: 1.73
Nett Valve Lift:   Intake: 11.50mm Exhaust: 11.50mm
Advertised Duration @ 0.10mm Intake: 280 Exhaust: 288
Duration @ 1.00mm VALVE LIFT Intake: 238 Exhaust: 242
Timing @ 1.00mm VALVE LIFT IVO: 12 BTDC EVO: 57 BBDC
    IVC: 46 ABDC EVC: 5 ATDC
Suggested Centre Lines:   Intake: 107 Exhaust: 116
VALVE Lift @ TDC Intake: 2.09mm Exhaust: 1.29



Compatibility

  • 1992-1996 Mitsubishi Evo 1-3 4G63

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.

  • 280/288 Degree advertised duration, 11.50/11.50mm lift high HP racing cams.
  • These camshafts suit well built racing engines up to 35lb boost and 9000 RPM with our recommended valve springs.
Engine Make: Engine Model: Part Number:
MITSUBISHI 4G63 EVO 1-3 1-TX280R
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 6.65mm Exhaust: 6.65mm
Rocker Ratio:   Intake: 1.73 Exhaust: 1.73
Nett Valve Lift:   Intake: 11.50mm Exhaust: 11.50mm
Advertised Duration @ 0.10mm Intake: 280 Exhaust: 288
Duration @ 1.00mm VALVE LIFT Intake: 238 Exhaust: 242
Timing @ 1.00mm VALVE LIFT IVO: 12 BTDC EVO: 57 BBDC
    IVC: 46 ABDC EVC: 5 ATDC
Suggested Centre Lines:   Intake: 107 Exhaust: 116
VALVE Lift @ TDC Intake: 2.09mm Exhaust: 1.29



  • 1992-1996 Mitsubishi Evo 1-3 4G63

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