Unorthodox Racing Ultra Series aluminum flywheels have some key advantages over stock and other aftermarket units. Machining tolerances are extremely important when making a flywheels. Eccentricity, parallelism, and the step height (which is critical to proper clutch break inand engagement) are kept within .0015". The most accurate in the industry! Dowel pins are hardened steel units and all hardware is grade 8, the highest grade of fastener avaliable today.
- Lightweight 6061-T6 aluminum
- CNC machined to .001"
- Real HP & torque gains across entire RPM range
- Wear-resistant, replaceable treated alloy steel friction inserts
- Stepped Dowel Pins
- Works with both stock or aftermarket clutches
- High quality polished finish
| Year | Make | Model | Trim | App Notes |
| 2003 - 2008 | Nissan | 350Z | All | None |
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