Unorthodox Racing Ultra R Race Underdrive Crank Pulley Honda Civic Si
DelSol CRV DOHC B16 B16A B16B B20 B20B B20Z Acura Integra B17
B17A B18A B18B B18C B18C5 Including Type-R

• Ultra light weight and smaller diameter crank pulley equals
  MORE POWER
  
• Single belt conversion, single crank pulley
  
• No power steering, air conditioning, or other accessories
  
• Alternator drive only
  
• Crank Pulley diameter reduced up to 20%
  
• Material: 6061 Billet Aluminum
  
• Finish: Polished
  
• Power Gain: 8-12 HP
  
• CAD Designed, CNC Machined in the USA