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.

  • 268/272 Degrees advertised duration, 12.00mm/11.50mm lift
  • Ultimate drift spec cams featuring maximum lobe area and low duration for fast spool and lots of top end power. Requires KVS93 or KVS93-BT valve springs if using over 2 bar boost.

Specifications

Engine Make: Engine Model: Part Number:
NISSAN SR20DET S13 TURBO 188-B
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 7.74mm Exhaust: 7.42mm
Rocker Ratio:   Intake: 1.55 Exhaust: 1.55
Nett Valve Lift:   Intake: 12.00mm Exhaust: 11.50mm
Advertised Duration @ 0.10mm Intake: 268 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 226 Exhaust: 230
Timing @ 1.00mm VALVE LIFT IVO: 5 BTDC EVO: 50 BBDC
    IVC: 41 ABDC EVC: 0 TDC
Suggested Centre Lines:   Intake: 108 Exhaust: 115
VALVE Lift @ TDC Intake: 1.52mm Exhaust: 1.06



Compatibility

  • 1988-1998 Nissan 180SX S13
  • 1988-1994 Nissan Silvia S13

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.

  • 268/272 Degrees advertised duration, 12.00mm/11.50mm lift
  • Ultimate drift spec cams featuring maximum lobe area and low duration for fast spool and lots of top end power. Requires KVS93 or KVS93-BT valve springs if using over 2 bar boost.
Engine Make: Engine Model: Part Number:
NISSAN SR20DET S13 TURBO 188-B
Valve Clearance: Intake: Set at the
  Exhaust: Set at the
 
Cam Lift:   Intake: 7.74mm Exhaust: 7.42mm
Rocker Ratio:   Intake: 1.55 Exhaust: 1.55
Nett Valve Lift:   Intake: 12.00mm Exhaust: 11.50mm
Advertised Duration @ 0.10mm Intake: 268 Exhaust: 272
Duration @ 1.00mm VALVE LIFT Intake: 226 Exhaust: 230
Timing @ 1.00mm VALVE LIFT IVO: 5 BTDC EVO: 50 BBDC
    IVC: 41 ABDC EVC: 0 TDC
Suggested Centre Lines:   Intake: 108 Exhaust: 115
VALVE Lift @ TDC Intake: 1.52mm Exhaust: 1.06



  • 1988-1998 Nissan 180SX S13
  • 1988-1994 Nissan Silvia S13

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