SKU: CSC75A
Spec 98-02 Firebird/TransAm / 97-04 Corvette / 04-06 GTO/Cadillac CTS-V Aluminum Flywheel
This SPEC aluminum flywheel upgrades LS1 and LS6 engines in high-performance GM vehicles. It fits 1998-2002 Firebird and Trans Am models 1997-2004 Corvettes including Z06 2004-2006 GTO and 2004-2007 Cadillac CTS-V. Lightweight design drops rotating mass by over 20 lbs from stock for faster engine revving improved acceleration and crisper gear changes during hard driving.
Key Features
- 6061-T6 Billet Aluminum Build: Weighs just 10.4 lbs versus stock 30+ lbs steel flywheel to slash inertia and boost power transfer to wheels
- 168-Tooth Ring Gear: Electronically welded and heat-treated for reliable starter engagement and long-term durability under race conditions
- Precision Balanced: Factory-balanced to OEM specs for vibration-free operation and extended transmission life
- Replaceable Friction Surface: Modular design allows easy resurfacing without full replacement
- Wide Clutch Compatibility: Works with organic puck and full-face performance clutches for custom setups
Product Notes
- Inspect clutch disc and pressure plate condition before installation
- No break-in period required unlike steel flywheels
- Ships in protective SPEC packaging with 14 x 14 x 4 inch box dimensions
Installation Notes
- Professional installation recommended.
- Torque flywheel bolts to 74 ft-lbs in crisscross pattern using GM thread locker
- Compatible with 12-bolt LS crank pattern. high-torque starter may be needed for reliable cranking
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1997-2004 | Chevrolet | Corvette | Base |
| 1998 | Chevrolet | Corvette | Indianapolis 500 Pace Car |
| 2001-2004 | Chevrolet | Corvette | Z06 |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition |
| 2003 | Chevrolet | Corvette | 50th Anniversary Edition Pace Car |
| 1998-2002 | Chevrolet | Camaro | Z28 |
| 1998-2002 | Pontiac | Firebird | Formula |
| 2004-2006 | Pontiac | GTO | Base |
| 2004-2007 | Cadillac | CTS | V |
Why Choose SPEC?
- SPEC flywheels power drag cars and road racers worldwide
- Engineered and assembled in the USA with aerospace-grade materials
- Backed by proven track record in high-horsepower LS applications
Frequently Asked Questions
-
Q: Will this fit my 2001 Corvette Z06 with LS6 engine?
A: Yes, direct fit for 2001-2004 Corvette Z06 models using the standard LS flywheel bolt pattern and starter position -
Q: What material is used and does it wear quickly?
A: Built from 6061-T6 aircraft aluminum with hardened steel friction plate. resists wear and handles 800+ hp reliably -
Q: What warranty applies and is installation covered?
A: SPEC provides 1-year defect warranty. installation by certified shop ensures coverage and proper alignment
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Sturdy cardboard box measuring 14 x 14 x 4 inches
- Weight: 10.4 lbs product weight, 12 lbs shipped
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