SKU: P2-604-STU | UPC: 887753962799
Competition Clutch 83-92 Mazda RX-7 Steel Flywheel
Competition Clutch Ultra Lightweight Steel Flywheels with STU suffix deliver faster engine response for 1983-1992 Mazda RX-7 models including Turbo, GXL, and Convertible variants. Machined from less material, this 14.5 lb one-piece flywheel suits Stage 3+ clutches, forced induction setups, and track racing. SFI 1.1 certification ensures reliability under extreme conditions.
Key Features
- 4140 Forged Steel Construction: Provides strength and heat resistance for high-horsepower turbocharged RX-7 engines without cracking.
- Ultra Lightweight Design: At 14.5 lbs, reduces rotational mass for quicker revs and improved acceleration on track or street.
- One-Piece Engineering: Eliminates weak points found in multi-piece flywheels, supporting aggressive driving and rally applications.
- SFI 1.1 Certified: Meets safety standards for sanctioned racing, guaranteeing performance in competitive environments.
- Precise Ring Gear: 12.625″ x 1.38″ x 23 teeth ensures smooth starter engagement and compatibility with OEM or aftermarket clutches.
Product Notes
- Recommended for rotary engines with forced induction or high RPM track use.
- Inspect clutch kit compatibility before installation to match spline count.
- Ships in protective packaging to prevent damage during transit.
Installation Notes
- Professional installation recommended.
- Resurface or replace pressure plate during install for even contact.
- Requires OEM pilot bearing. torque to factory specs using thread locker.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1983-1985 | Mazda | RX-7 | S |
| 1983-1985 | Mazda | RX-7 | GS |
| 1983-1985 | Mazda | RX-7 | GSL |
| 1983 | Mazda | RX-7 | Limited Edition |
| 1984-1985 | Mazda | RX-7 | GSL-SE |
| 1986-1990 | Mazda | RX-7 | GXL |
| 1986-1991 | Mazda | RX-7 | Turbo |
| 1986-1987 | Mazda | RX-7 | Base |
| 1987 | Mazda | RX-7 | LX |
| 1987 | Mazda | RX-7 | Sport |
| 1987 | Mazda | RX-7 | Base 2+2 |
| 1987-1990 | Mazda | RX-7 | GXL 2+2 |
| 1988 | Mazda | RX-7 | 10th Anniversary |
| 1988 | Mazda | RX-7 | SE |
| 1988-1990 | Mazda | RX-7 | GTU |
| 1988-1991 | Mazda | RX-7 | Convertible |
| 1988 | Mazda | RX-7 | SE 2+2 |
| 1991 | Mazda | RX-7 | Base |
Why Choose Competition Clutch?
- Proven in professional racing with NHRA and SCCA approvals.
- Engineered for rotary Mazda applications with exact tolerances.
- Backed by decades of clutch and flywheel innovation.
Frequently Asked Questions
- Q: Will this fit my 1988 Mazda RX-7 Turbo?
A: Yes, direct bolt-on for 1983-1992 FC RX-7 including Turbo models with 13B rotary engine. - Q: What material is used and is it heat resistant?
A: Forged 4140 steel handles high heat from turbo and track use better than aluminum alternatives. - Q: Does it come with a warranty?
A: Limited manufacturer defect warranty. contact Competition Clutch for details after professional install.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure foam-lined box, 17 x 17 x 4 inches
- Weight: 14.5 lbs
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