CAMSHAFT, FAST ROAD 89, LARGE JOURNAL, NEW

  • SKU: TT14051N

Late Spitfire MkIV, 1500

Fast Road 89 - New profile for open road use with Weber/Dellorto for more mid to top end power. This will allow in excess of 110 bhp for a road car while only losing a small amount of tractability below 2200 rpm. All in all we think, that this cam is not suitable for regular road use.

Meaning of Journal Diameter

  • Small for engines with replaceable bearing fitted to cylinder block, originally fitted to twin carb engines, 1147-1286cc pre 1969.
  • Large for all other models, where cam runs in cylinder block. Bearings can always be removed for this range to be used on early models.

Details:

  • Profile: Fast Road 89
  • Cam Size: Large Bearing
  • Inlet Timing: 36-74
  • Exhaust Timing: 58-34
  • Camshaft Duration: 290°
  • Lift: 0.293"
  • Install Figure: 106°
  • Inlet Valve Clearance: 0.014"
  • Exhaust Valve Clearance: 0.014"
  • Power Band: 2750-6250

Note: Use TT1307 double valve springs, without any lower collars or spacers. Installed height - 33-34mm.

CHF 358.40
excl. 8,1% VAT , plus shipping costs

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