Harmonically Damped Underdrive Pulley Porsche 986, 996, 987, 997 Models

Harmonically damped underdrive pulley. Dampens/reduces internal engine vibrations, thereby improving engine performance, efficiency, and lifespan. Replaces OE. Fits all Porsche 986, 996, 987, and 997 models EXCEPT 2.9L (multi-hole crankshaft belt pattern), DFI engines, GT2, GT3, and Turbo. Porsche part numbers 99710224101, 99610215199.

• Porsche 997 MK1 Carrera 2 3.6L (2005–2008)
• Porsche 997 MK1 Carrera 2S 3.8L (2005–2008)
• Porsche 997 MK1 Carrera 4 3.6L (2005–2008)
• Porsche 997 MK1 Carrera 4S 3.8L (2005–2008)

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