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Performance Camshafts - TR2-4A

Performance Camshafts - TR2-4A

Care must be taken when choosing a camshaft and other components to ensure you get the best out of them. For the more extreme camshafts you will need a flowed head with bigger valves and the fuelling will have to be modified to suit, either with Weber carburettors or appropriately modified fuel injection. If you want to minimise other modifications use a mild camshaft.

All the camshafts listed with the suffix ‘N’ are new, made from chill cast iron, eliminating problems resulting from regrinding worn old camshafts.

New cam followers should be fitted when replacing the camshaft. Valve springs must be changed. TR2-4 use triple exhaust type = TT1007 or TR4A use double = TT1107 or TT1108 for race.

You will also need Cam Lube (KEN2) and a camshaft timing disc (TT2929).

See bottom of page for more information. For individual camshaft info, please click on the part number below you wish to find out more about.

  Description Price
(each)
Qty  
Camshaft, road, new Part Number: TT1104N Notes: 278˚ duration - Good all-round cam Application: TR2-4A
£299.30
Camshaft, fast road, new Part Number: TT1004N Notes: 280˚ duration - Higher lift road cam, for SU/Weber carbs Application: TR2-4A
£283.60
Camshaft, sprint, new Part Number: TT1105N Notes: 290˚ duration - Original profile, good performance with Webers Application: TR2-4A
£299.30
Camshaft, sprint 88, new Part Number: TT11051N Notes: 292˚ duration - Wide power band with Weber/Dellorto Application: TR2-4A
£285.00
Camshaft, race, new Part Number: TT1106N Notes: 300˚ - Full race profile, for good top end power Application: TR2-4A
£285.00
Camshaft, race 96, new Part Number: TT11061N Notes: 310˚ duration - Full race profile, for top end power Application: TR2-4A
£285.00
Cam Follower Part Number: 057933
£3.79
Cam Follower, lightweight Part Number: TT1009
£16.79
  • Details
    • Camshaft

      The two standard camshaft profiles:
                            Inlet        Exhaust    Cam Lift
      TR2-4             10-50       50-10        0.260”
      TR4A              17-57       57-17        0.265”

      TriumphTune Profiles
                              Inlet        Exhaust   Cam Lift
      Road               31-67      67-31       0.290”
      Fast Road      37-63      73-37        0.300”
      Sprint              38-74      74-38        0.280”
      Sprint 88         40-70      76-34       0.310”
      Race               45-75       75-45       0.320”

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