Unorthodox Racing Ultra S Underdrive Street Crank Pulley with OEM
Belt Configuration JDM Honda ZC 1.6LDOHC D16A 88-91 Acura
Integra 1.6L DOHC D16 86-89 with 22mm Crank Snout

• Ultra light weight and slightly smaller diameter pulley equals
  MORE POWER
  
• Single crank pulley
  
• Drives all OEM Accessories Including A/C, Alternator, and P/S
  
• Pulley diameter mildly reduced to 20% or less
  
• Material: 6061 Billet Aluminum
  
• Hard Anodized Finish:
  Polished
  Blue
  Red
  Black
• Typical Power Gain: 6-10 HP, Bigger gains when combined with other
  Billet underdrive accessory pulleys
  
• CAD Designed, CNC Machined in the USA