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964 Engine Crank Pulley to 911 : AC Dual Belt Type

  • $268.00


When installing the popular 3.6L 964 series engines into the earlier 1965-1989 911 chassis, an adapter crank pulley will be required. The original equipment 964 crank pulley offset is simply too large to fit within the required earlier 911’s motor console and sheet metal. For cars to run with AC, a dual belt crankshaft pulley system is needed. For cars to run without AC, we use a lightweight, single belt crank pulley. (Also, available)


For a vintage appearance, high integrity function and cost effective method of belt system conversion for the 911s with air conditioning, we recommend the use of the following parts:

  • Original equipment 1984-89 911 motor console 
  • 1984-1989 911 Carrera 3.2L engine sheet metal 
  • 1984-1989 911 Carrera 3.2L engine AC compressor mounting bracket. 
  • 1989-1994 964 Carrera AC compressor. *This unit offers intake manifold clearance 
  • 1989-1994 964 Carrera crankshaft pulley center hub * Features tapered bore 
  • TurboKraft 964 Dual Belt Engine Crankshaft Pulley 
We have CAD designed, optimized and CNC machined this unit to the appropriate DIN specifications and size for the narrow type V-belts and contact pressures. The unit also has proper and confirmed high resolution timing reference marks.
  • CAD 3D Modeled and FEA optimized design 
  • CNC machined from 6061-T6 Billet aluminum 
  • Anodized to Military Specifications: Black standard 
  • Made in USA

*Click here for product installations instructions.


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