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.

  • 284/278 Degrees advertised duration. 9.20mm/8.50mm lift
  • Rally cams for good midrange power in mild engines.

Specifications

Engine Make: Engine Model: Part Number:
TOYOTA 4A-GE 16v 193-B
Valve Clearance: Intake: 0.25mm Set COLD at the CAM
  Exhaust: 0.30mm Set COLD at the CAM
 
Cam Lift:   Intake: 9.45mm Exhaust: 8.80mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.20mm Exhaust: 8.50mm
Advertised Duration @ 0.30mm Intake: 284 Exhaust: 278
Duration @ 1.00mm VALVE LIFT Intake: 244 Exhaust: 236
Timing @ 1.00mm VALVE LIFT IVO: 18 BTDC EVO: 44 BBDC
    IVC: 46 ABDC EVC: 12 ATDC
Suggested Centre Lines:   Intake: 104 Exhaust: 106
VALVE Lift @ TDC Intake: 2.70mm Exhaust: 2.06



Compatibility

  • 1983-1985 Toyota Carina AA63 (Japan only)
  • 1985-1988 Toyota Carina AT160 (Japan only)
  • 1988-1992 Toyota Carina AT171 (Japan only)
  • 1983-1985 Toyota Celica AA63
  • 1985-1989 Toyota Celica AT160
  • 1984-1987 Toyota Corolla saloon, FX AE82
  • 1983-1987 Toyota Corolla Levin AE86
  • 1987-1993 Toyota Corolla AE92
  • 1983-1985 Toyota Corona AT141 (Japan only)
  • 1985-1988 Toyota Corona AT160 (Japan only)
  • 1984-1989 Toyota MR2 AW11
  • 1984-1987 Toyota Sprinter AE82 (Japan only)
  • 1983-1987 Toyota Sprinter Trueno AE86 (Japan only)
  • 1987-1992 Toyota Sprinter AE92 (Japan only)
  • 1986-1993 Toyota Corolla GLi Twincam/Conquest RSi AE82/AE92 (South Africa)
  • Chevrolet Nova (based on Corolla AE82)
  • 1990-1992 Geo Prizm GSi (based on Toyota AE92 chassis)

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.

  • 284/278 Degrees advertised duration. 9.20mm/8.50mm lift
  • Rally cams for good midrange power in mild engines.
Engine Make: Engine Model: Part Number:
TOYOTA 4A-GE 16v 193-B
Valve Clearance: Intake: 0.25mm Set COLD at the CAM
  Exhaust: 0.30mm Set COLD at the CAM
 
Cam Lift:   Intake: 9.45mm Exhaust: 8.80mm
Rocker Ratio:   Intake: 1 Exhaust: 1
Nett Valve Lift:   Intake: 9.20mm Exhaust: 8.50mm
Advertised Duration @ 0.30mm Intake: 284 Exhaust: 278
Duration @ 1.00mm VALVE LIFT Intake: 244 Exhaust: 236
Timing @ 1.00mm VALVE LIFT IVO: 18 BTDC EVO: 44 BBDC
    IVC: 46 ABDC EVC: 12 ATDC
Suggested Centre Lines:   Intake: 104 Exhaust: 106
VALVE Lift @ TDC Intake: 2.70mm Exhaust: 2.06



  • 1983-1985 Toyota Carina AA63 (Japan only)
  • 1985-1988 Toyota Carina AT160 (Japan only)
  • 1988-1992 Toyota Carina AT171 (Japan only)
  • 1983-1985 Toyota Celica AA63
  • 1985-1989 Toyota Celica AT160
  • 1984-1987 Toyota Corolla saloon, FX AE82
  • 1983-1987 Toyota Corolla Levin AE86
  • 1987-1993 Toyota Corolla AE92
  • 1983-1985 Toyota Corona AT141 (Japan only)
  • 1985-1988 Toyota Corona AT160 (Japan only)
  • 1984-1989 Toyota MR2 AW11
  • 1984-1987 Toyota Sprinter AE82 (Japan only)
  • 1983-1987 Toyota Sprinter Trueno AE86 (Japan only)
  • 1987-1992 Toyota Sprinter AE92 (Japan only)
  • 1986-1993 Toyota Corolla GLi Twincam/Conquest RSi AE82/AE92 (South Africa)
  • Chevrolet Nova (based on Corolla AE82)
  • 1990-1992 Geo Prizm GSi (based on Toyota AE92 chassis)

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