SKU: CSP90A
Spec 99-01 Porsche 996 3.4L Aluminum Flywheel
The Spec SP90A aluminum flywheel cuts rotational mass for 1999-2001 Porsche 996 3.4L and compatible 911 Carrera models. At 9.9 lbs it replaces the stock 21.3 lb unit for faster engine revving quicker shifts and better acceleration. Pair with SPEC clutch kits for track or street use.
Key Features
- Weight Reduction: 9.9 lbs versus stock 21.3 lbs cuts inertia for rapid throttle response and reduced shift times
- Material Construction: Forged 6061-T6 aluminum provides strength durability and heat dissipation
- Safety Certification: SFI 1.5 rated ensures reliable performance under high stress conditions
- Ring Gear: Heat treated steel ring gear resists wear and maintains tooth integrity for consistent starts
- Precision Engineering: CNC machined for perfect balance and OEM bolt pattern compatibility
Product Notes
- Designed for use with organic cerametallic or cerametallic clutches break in new clutch per manufacturer guidelines
- Inspect flywheel friction surface regularly for scoring or wear
- Ships in protective packaging with 14 x 14 x 4 inch box dimensions
Installation Notes
- Professional installation recommended.
- Torque flywheel bolts to Porsche specification 74 ft-lbs using M8x65mm bolts
- Compatible with factory hardware resurface flywheel if reusing clutch
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2007 | Porsche | 911 | Carrera |
| 2006-2007 | Porsche | 911 | Carrera 4 |
| 2007 | Porsche | 911 | Targa 4 |
| 2002-2004 | Porsche | 996 | Carrera 3.6L |
Why Choose Spec?
- Over 30 years building clutches and flywheels for performance vehicles
- Manufactured in USA with dyno proven designs
- Exact tolerances match OEM specs for seamless integration
Frequently Asked Questions
- Q: Will this fit 2002-2004 Porsche 996 Carrera 3.6L models?
A: Yes bolt pattern and spline count match 996 Carrera engines from 1999-2004 verify transmission input shaft splines - Q: What material is used and does it handle heat well?
A: 6061-T6 forged aluminum dissipates heat faster than steel maintaining grip during hard driving - Q: What warranty applies and installation tips?
A: Limited lifetime warranty on defects professional install advised align engine flywheel with transmission input shaft
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Foam protected box 14 x 14 x 4 inches
- Weight: 9.9 lbs
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