Lightweight Steel Flywheel for 89-95 Mazda RX-7 2-745-ST
FITS: 1989-1995 MAZDA RX-7, 2004-2011 RX-8 | WEIGHT: 13.20 LBS | NOTE: RX-8 REQUIRES CW-MZD-03 COUNTERWEIGHT
Part # 2-745-ST
$350.00
Specifications
| Make |
|---|
| Mazda |
| Flywheel Material |
| Steel |
| Weight |
| 13.20 lbs. |
Competition Clutch Lightweight Steel Flywheel for Mazda RX-7 & RX-8 Rotary (2-745-ST)
Unlock explosive, lightning-fast throttle response in your rotary machine without sacrificing daily driveability. The Competition Clutch Lightweight Steel Flywheel (ST suffix) is the ultimate upgrade for enthusiast drivers who want a more responsive engine while preserving critical low-end rotational driveability.
Engineered from premium 4140 forged steel, this one-piece design eliminates the risk of ring-gear separation common in multi-piece alternatives. It provides the perfect balance of weight reduction and thermal capacity, making it an excellent choice for drifting, high-RPM street driving, and circuit track performance.
Why Choose the Competition Clutch ST Flywheel?
- Optimized Rotary Response: Rotary engines thrive on low rotating mass; this flywheel lets your 13B or 13B-MSP race straight to redline instantly.
- Preserved Driveability: Specifically engineered for street performance applications to retain smooth launching characteristics without stalling or engine stalling out on idle return.
- Perfect Clutch Compatibility: Perfectly matched and well-suited for Gravity, Stage 1, and Stage 2 clutch kits.
- One-Piece Forged Strength: CNC-machined from ultra-durable 4140 chromoly steel for maximum safety, reliability, and longevity under high-RPM abuse.
Product Specifications
- Brand: Competition Clutch
- Part Number: 2-745-ST
- Material: One-Piece 4140 Forged Steel
- Flywheel Type: Lightweight Steel (ST Series Rotary)
- Weight: 13.20 lbs
Vehicle Fitment & Application
- Mazda RX-7: 1989, 1990, 1991, 1992, 1993, 1994, 1995 (FC & FD Chassis)
- Mazda RX-8: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
- Engine Requirements: 1.3L 13B / Renesis Rotary Engines
CRITICAL REQUIREMENT NOTE: Installation on Mazda RX-8 models strictly REQUIRES the installation of part number CW-MZD-03 counterweight (sold separately) to maintain proper engine balance.
| Item# | Description | Qty. | Your Price | |
|---|---|---|---|---|
| 2-745-ST | Flywheel: Steel: Lightweight: 1989-95 Mazda RX-7: 04-11 RX8: 13.20lb: RX-8 REQUIRES CW-MZD-03 COUNTERWEIGHT |
ADD TO CART
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Competition Clutch Lightweight Steel Flywheels (ST suffix) are recommended for naturally aspirated and/or street-driven applications. This flywheel preserves low-end torque and driveability. Well-suited for Gravity, Stage 1, and Stage 2 clutch applications. Made of 4140 forged steel and are a one-piece design. Not all applications have the ST and STU versions available. Flywheel weights vary from 8lbs to 18lbs depending on application.
Break-In Procedure
After you install your new Competition Clutch you will want to make sure that the clutch is properly broken in for ultimate operation. To break in your clutch, shift as often as possible during the first 500 miles, by doing so you will make sure that the material from the disc is embedded into the friction surfaces of the pressure plate and flywheel. Following the break-in procedure will ensure that your clutch has the longest possible lifespan. If you have any questions, please reach out to our tech department and we will be happy to help.
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