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      Performance 276/272 Degree, 12.50/12.00mm lift Cams for EVO 8 4G63.

      The Kelford Cams range of camshafts for Mitsubishi 4G63 DOHC engines are renowned worldwide for their superior results. This range is for the DOHC 4G63T Evolution 8 engine. All of the camshafts in this range are ground on our Toyoda CNC masterless cam grinder to consistently deliver the highest quality product.

      Our 'TX' range of camshafts for Mitsubishi 4G63 DOHC engines have the best available lobe designs, featuring low seat timing and maximum valve area while retaining perfect valve control at high RPM. Every cam in the range features the same lobe design as our mega popular 272 degree camshaft.

      We have developed a proven range of camshafts for this engine to suit most applications, including a low lift 272 degree cam to suit stock valve springs and high lift designs for the more serious applications.

      However, if you can't find your perfect camshaft within our range, designing custom profiles is our specialty! Simply order the custom camshaft and provide us all the details of your build. Confidential development for race teams is also available.

      Camshaft Profiles

      8-TX276HL High Lift Camshaft Set:

      • 276/272 Degree advertised duration, 12.50mm/12.00mm high lift cams.
      • These high lift track racing camshafts suit engines running up to 30lb boost and 9000 RPM with our recommended valve springs.

      Technical Specifications

      Valve Clearance:

      Intake: Set at the
      Exhaust: Set at the

      Cam Lift: Intake: 7.23mm Exhaust: 6.94mm
      Rocker Ratio: Intake: 1.73 Exhaust: 1.73
      Nett Valve Lift: Intake: 12.50mm Exhaust: 12.00mm
      Advertised Duration @ 0.10mm Intake: 276 Exhaust: 272
      Duration @ 1.00mm VALVE LIFT Intake: 234 Exhaust: 230
      Timing @ 1.00mm VALVE LIFT IVO: 11 BTDC EVO: 50 BBDC
      IVC: 43 ABDC EVC: 0 TDC
      Suggested Centre Lines: Intake: 106 Exhaust: 115
      VALVE Lift @ TDC Intake: 1.98mm Exhaust: 1.03mm