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.

  • 264/256 Degrees advertised duration, 9.00mm/9.00mm lift
  • Stage 2 high performance street car cams

Specifications

Engine Make: Engine Model: Part Number:
MAZDA Miata 323 B6 NA 203-B
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 9.00mm Exhaust: 9.00mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.00mm Exhaust: 9.00mm
Advertised Duration @ 0.10mm Intake: 264 Exhaust: 256
Duration @ 1.00mm VALVE LIFT Intake: 222 Exhaust: 216
Timing @ 1.00mm VALVE LIFT IVO: 3 BTDC EVO: 38 BBDC
    IVC: 39 ABDC EVC: 2 BTDC
Suggested Centre Lines:   Intake: 108 Exhaust: 110
VALVE Lift @ TDC Intake: 1.32mm Exhaust: 0.80



Compatibility

  • 1989-1997 Mazda MX-5 B6 NA

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.

  • 264/256 Degrees advertised duration, 9.00mm/9.00mm lift
  • Stage 2 high performance street car cams
Engine Make: Engine Model: Part Number:
MAZDA Miata 323 B6 NA 203-B
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 9.00mm Exhaust: 9.00mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.00mm Exhaust: 9.00mm
Advertised Duration @ 0.10mm Intake: 264 Exhaust: 256
Duration @ 1.00mm VALVE LIFT Intake: 222 Exhaust: 216
Timing @ 1.00mm VALVE LIFT IVO: 3 BTDC EVO: 38 BBDC
    IVC: 39 ABDC EVC: 2 BTDC
Suggested Centre Lines:   Intake: 108 Exhaust: 110
VALVE Lift @ TDC Intake: 1.32mm Exhaust: 0.80



  • 1989-1997 Mazda MX-5 B6 NA

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