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.

  • 243/244 Degrees duration @ 0.050" cam lift, .422"/.404" lift
  • Stage 2 high performance camshafts. These suit 350-550HP engine builds, up to 32lbs boost and 9000 RPM with the Kelford valve spring.

Specifications

Engine Make: Engine Model: Part Number:
FORD Lotus Twin Cam 148-C
Valve Clearance: Intake: 0.008" Set COLD at the CAM
  Exhaust: 0.008" Set COLD at the CAM
 
Cam Lift:   Intake: 0.425" Exhaust: 0.412"
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 0.417" Exhaust: 0.404"
Advertised Duration @ 0.010" Intake: 292 Exhaust: 292
Duration @ .050" VALVE LIFT Intake: 243 Exhaust: 244
Timing @ .050" VALVE LIFT IVO: 18.5 BTDC EVO: 52 BBDC
    IVC: 44.5 ABDC EVC: 12 ATDC
Suggested Centre Lines:   Intake: 103 Exhaust: 110
VALVE Lift @ TDC Intake: 0.128" Exhaust: 0.106"



Compatibility

  • 1964-1965 Elan S2
  • 1965-1968 Elan S3
  • 1968-1971 Elan S4
  • 1963-1964 Lotus Cortina
  • 1964-1966 Ford Cortina Lotus
  • 1966-1970 Ford Cortina Twin Cam
  • 1973 Seven Twin Cam
  • 1968-1971 Ford Escort Twin Cam
  • 1971-1972 Europa Twin Cam
  • 1973-1974 Caterham 7
  • 1967-1972 Elan +2, +2S
  • 1972-1975 Europa Twin Cam Special
  • Elan +2S 130, +2S 130/5

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.

  • 243/244 Degrees duration @ 0.050" cam lift, .422"/.404" lift
  • Stage 2 high performance camshafts. These suit 350-550HP engine builds, up to 32lbs boost and 9000 RPM with the Kelford valve spring.
Engine Make: Engine Model: Part Number:
FORD Lotus Twin Cam 148-C
Valve Clearance: Intake: 0.008" Set COLD at the CAM
  Exhaust: 0.008" Set COLD at the CAM
 
Cam Lift:   Intake: 0.425" Exhaust: 0.412"
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 0.417" Exhaust: 0.404"
Advertised Duration @ 0.010" Intake: 292 Exhaust: 292
Duration @ .050" VALVE LIFT Intake: 243 Exhaust: 244
Timing @ .050" VALVE LIFT IVO: 18.5 BTDC EVO: 52 BBDC
    IVC: 44.5 ABDC EVC: 12 ATDC
Suggested Centre Lines:   Intake: 103 Exhaust: 110
VALVE Lift @ TDC Intake: 0.128" Exhaust: 0.106"



  • 1964-1965 Elan S2
  • 1965-1968 Elan S3
  • 1968-1971 Elan S4
  • 1963-1964 Lotus Cortina
  • 1964-1966 Ford Cortina Lotus
  • 1966-1970 Ford Cortina Twin Cam
  • 1973 Seven Twin Cam
  • 1968-1971 Ford Escort Twin Cam
  • 1971-1972 Europa Twin Cam
  • 1973-1974 Caterham 7
  • 1967-1972 Elan +2, +2S
  • 1972-1975 Europa Twin Cam Special
  • Elan +2S 130, +2S 130/5

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