Unorthodox Racing Ultra S Underdrive Street Crank Pulley Acura
Integra 1.7L 1.8L B17A B18A All 90-93
- 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:
- Typical Power Gain: 7-10 HP, Bigger gains when combined with other
Billet underdrive accessory pulleys
- CAD Designed, CNC Machined in the USA