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.

  • 284/280 Degree advertised duration, 12.50mm/12.00mm high lift
  • High lift drag racing camshafts. These camshafts suit engines running up to 30lb boost and 9500 RPM with our recommended valve springs.

Specifications

Engine Make: Engine Model: Part Number:
MITSUBISHI 4G63 EVO 8 8-TX284HL
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 7.23mm Exhaust: 6.94mm
Rocker Ratio:   Intake: 1.73 Exhaust: 1.73
Nett Valve Lift:   Intake: 12.50mm Exhaust: 12.00mm
Advertised Duration @ 0.10mm Intake: 284 Exhaust: 280
Duration @ 1.00mm VALVE LIFT Intake: 242 Exhaust: 238
Timing @ 1.00mm VALVE LIFT IVO: 15 BTDC EVO: 55 BBDC
    IVC: 47 ABDC EVC: 3 ATDC
Suggested Centre Lines:   Intake: 106 Exhaust: 116
VALVE Lift @ TDC Intake: 2.36mm Exhaust: 1.21



Compatibility

  • 2003-2005 Mitsubishi Evo 8 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.

  • 284/280 Degree advertised duration, 12.50mm/12.00mm high lift
  • High lift drag racing camshafts. These camshafts suit engines running up to 30lb boost and 9500 RPM with our recommended valve springs.
Engine Make: Engine Model: Part Number:
MITSUBISHI 4G63 EVO 8 8-TX284HL
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 7.23mm Exhaust: 6.94mm
Rocker Ratio:   Intake: 1.73 Exhaust: 1.73
Nett Valve Lift:   Intake: 12.50mm Exhaust: 12.00mm
Advertised Duration @ 0.10mm Intake: 284 Exhaust: 280
Duration @ 1.00mm VALVE LIFT Intake: 242 Exhaust: 238
Timing @ 1.00mm VALVE LIFT IVO: 15 BTDC EVO: 55 BBDC
    IVC: 47 ABDC EVC: 3 ATDC
Suggested Centre Lines:   Intake: 106 Exhaust: 116
VALVE Lift @ TDC Intake: 2.36mm Exhaust: 1.21



  • 2003-2005 Mitsubishi Evo 8 4G63

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