SKU: SY38S | UPC: 650215261078
Spec Billet Steel Flywheel – 2009-2010 Hyundai Genesis Coupe 3.8L V6 6MT
The Spec SY38S is the #1 selling billet steel flywheel for the 2009–2010 Genesis Coupe 3.8L V6 6-speed. Precision CNC-machined from certified 1045 billet steel and SFI 1.1 approved, it replaces the factory dual-mass flywheel with a one-piece design that drops ~9 lbs of rotational mass, eliminates DMF rattle, and dramatically improves throttle response the ultimate upgrade for any manual BK1 Genesis 3.8.
Key Features
- SFI 1.1 Certified – meets all racing sanctioning body requirements
- ≈ 9 lb Weight Reduction vs OEM dual-mass flywheel
- 1045 Billet Steel – one-piece construction, zero failure points
- Perfect Clutch Mating Surface – stepped design, factory ring gear
- Made in the USA – lifetime warranty against defects
Specifications
| Specification | Detail |
|---|---|
| Part Number | SY38S |
| Material | 1045 billet steel (one-piece) |
| Weight | ≈ 22 lbs (9 lb lighter than OEM DMF) |
| Design | Flat with step for clutch |
| SFI Rating | SFI 1.1 approved |
| Country of Origin | United States |
| Warranty | Lifetime against defects |
Product Notes
- Fits 2009–2010 Genesis Coupe 3.8L V6 6-speed manual only (BK1)
- Will NOT fit 2011–2016 3.8 or 2.0T models (different bellhousing)
Installation Notes
- Transmission removal required professional install recommended
- Use with Spec Stage 1–3+ clutch (SY381-2 or SY383H recommended)
- New flywheel bolts required (ARP or OEM)
This Part Fits
| Year | Make | Model | Engine / Trans |
|---|---|---|---|
| 2009–2010 | Hyundai | Genesis Coupe | 3.8L V6 6MT |
Why Choose Spec Flywheels?
- America’s #1 performance flywheel manufacturer since 1998
- Every flywheel machined & balanced in Bessemer, Alabama
- Trusted by every high-horsepower Genesis Coupe drag & drift build
Frequently Asked Questions
- Q: Will I get more vibration after install?
A: Slight increase at idle is normal when removing DMF most owners love the mechanical feel. - Q: Can I keep the factory clutch?
A: Not recommended upgrade to a Spec Stage 1 or higher. - Q: Is it SFI approved?
A: Yes, SFI 1.1 certified for racing.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Official Spec heavy-duty box
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