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.

  • 272/264 Degrees advertised duration, 10.00mm/9.00mm lift
  • 272 Degree high lift camshafts to suit high performance well built engines. Great with the use of a 3ltr bottom end and E85. Must use KVS25NEO spring kit.

Specifications

Engine Make: Engine Model: Part Number:
MAZDA Miata 323 B6 NA 203-C
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 10.00mm Exhaust: 9.00mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 10.00mm Exhaust: 9.00mm
Advertised Duration @ 0.10mm Intake: 272 Exhaust: 264
Duration @ 1.00mm VALVE LIFT Intake: 230 Exhaust: 222
Timing @ 1.00mm VALVE LIFT IVO: 9 BTDC EVO: 39 BBDC
    IVC: 41 ABDC EVC: 3 ATDC
Suggested Centre Lines:   Intake: 106 Exhaust: 108
VALVE Lift @ TDC Intake: 2.10mm Exhaust: 1.32



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.

  • 272/264 Degrees advertised duration, 10.00mm/9.00mm lift
  • 272 Degree high lift camshafts to suit high performance well built engines. Great with the use of a 3ltr bottom end and E85. Must use KVS25NEO spring kit.
Engine Make: Engine Model: Part Number:
MAZDA Miata 323 B6 NA 203-C
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 10.00mm Exhaust: 9.00mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 10.00mm Exhaust: 9.00mm
Advertised Duration @ 0.10mm Intake: 272 Exhaust: 264
Duration @ 1.00mm VALVE LIFT Intake: 230 Exhaust: 222
Timing @ 1.00mm VALVE LIFT IVO: 9 BTDC EVO: 39 BBDC
    IVC: 41 ABDC EVC: 3 ATDC
Suggested Centre Lines:   Intake: 106 Exhaust: 108
VALVE Lift @ TDC Intake: 2.10mm Exhaust: 1.32



  • 1989-1997 Mazda MX-5 B6 NA

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