S54 Underdrive Pulley Kit

Specifications:

• Machined from 6061 aluminum
• Anodized in black finish
• Comes with new belt and installation hardware
• Underdrives, and removes weight: 
• Reduces pulley weight by +/- 50$
• Underdrives the water pump, power steering pump and alternator pulley.
• Optimized diameter for street compromise between power and auxiliary functions.