PMO 134mm Titanium Crankshaft Pulley for Porsche 911 1978–1983

PMO's 134mm crankshaft pulley retains the stock V-belt setup while using CNC-machined titanium in place of the original steel part. It carries ignition and valve-timing reference marks, including Z1 and the 120-degree Z2/Z3 positions, plus an FE mark for MFI pump timing. A titanium mounting bolt with thread-locking compound is supplied with the pulley.

Technical Details

• Part number: PM-O330-0
• Application reference: 930 102 028 09
• Diameter: 134mm
• Material: Titanium
• Timing marks: Z1, 5°, 30°, and 35° BTDC, FE, Z2, and Z3
• Bolt torque: 56 ft-lb, dry

Fitment & Compatibility

For 1978–1983 Porsche 911 engines. Confirm belt alignment and the engine's crankshaft attachment, especially on an engine assembled from different model years. Timing marks are reference points; ignition advance settings must follow the actual engine and distributor specification.