SKU: P2-800-ST | UPC: 887753963307
Competition Clutch 02-06 Acura RSX / 02-11 Honda Civic Si 11.5lb Steel Flywheel
This Competition Clutch lightweight steel flywheel (P/N 2-800-ST) weighs 11.5 lbs and fits 2002-2006 Acura RSX Base and Type-S models plus 2002-2011 Honda Civic Si including the 2008 Mugen Si. Designed for naturally aspirated and street-driven K20 applications it keeps low-end torque and smooth driveability intact. Pair it with Gravity Stage 1 or Stage 2 clutches for reliable performance gains.
Key Features
- 11.5 lb Weight: Lightens rotational mass for faster engine response and rev-matching without sacrificing daily usability
- 4140 Forged Steel: Provides high strength and heat resistance for long-term durability in street conditions
- One-Piece Design: Eliminates weak points reduces flex and ensures consistent power transfer
- SFI Certified: Passes rigorous safety testing for track and street confidence
- Street/NA Focus: Retains bottom-end power ideal for unmodified or mildly tuned K20 engines
Product Notes
- Pre-installed ring gear simplifies setup with compatible clutches
- Inspect clutch and pilot bearing during replacement for best results
- Packaged to prevent damage during transit
Installation Notes
- Professional installation recommended.
- Resurface or replace flywheel if upgrading from OEM
- Bolts to OEM mounting pattern uses stock hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Acura | RSX | Base |
| 2002-2006 | Acura | RSX | Type-S |
| 2002-2011 | Honda | Civic | Si |
| 2008 | Honda | Civic | MUGEN Si |
Why Choose Competition Clutch?
- Trusted by racers and daily drivers for K-series reliability
- Precision machined for perfect balance and zero vibration
- Backed by decades of clutch system expertise
Frequently Asked Questions
-
Q: Will this fit my 2006-2011 Honda Civic Si?
A: Yes it bolts directly to all 2002-2011 Civic Si K20Z3 engines including sedan and coupe models -
Q: What steel is used in construction?
A: Billet 4140 forged steel offers superior toughness and resists warping under heat -
Q: Does it come with a warranty?
A: Covered by Competition Clutch limited warranty when installed by certified shop follow torque specs
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Durable box 14 x 14 x 5 inches
- Weight: 11.5 lbs
Competition Clutch
Competition Clutch kits for Honda K, B, and D-series, Subaru WRX and STI EJ, Nissan 350Z, 370Z, 240SX, and 400Z, Mitsubishi EVO and DSM, Mazda Miata and RX-7, and sport compact applications are stocked at Black Ops Auto Works. Shop Stage 1 to Stage 5 clutch kits, twin disc clutches, lightweight flywheels, clutch discs, pressure plates, release bearings, and sport compact drivetrain parts for proven street, drag, road course, and high horsepower engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 197 Competition Clutch SKUs across the fitments and build levels enthusiasts actually use. What Competition Clutch Covers Competition Clutch offers staged clutch kits, twin and triple disc systems, lightweight flywheels, discs, pressure plates, release bearings, forks, and service components for sport compact, import, and selected domestic performance cars. Stage selection exp...
View Competition Clutch Products
Drivetrain
Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...
View Drivetrain Products
Flywheels
Performance flywheels for manual transmission builds are stocked at Black Ops Auto Works. Shop billet steel flywheels, chromoly flywheels, dual-mass replacement flywheels, and lightweight aluminum flywheels for HEMI, Viper, LS, Coyote, K-series, EJ, 2JZ, and RB platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 414 flywheel SKUs across weight, material, and tooth count categories. What This Category Covers The Flywheels collection spans lightweight aluminum flywheels for quick-revving race builds, billet steel flywheels for street and strip durability, and dual-mass replacement flywheels for daily-driven applications that need factory-level smoothness. The catalog is strongest on ACT, South Bend Clutch, and Fidanza flywheels for domestic muscle cars and import platforms, alongside OE-style dual-mass replacements for diesel trucks and European cars. Categories Included St...
View Flywheels Products
Transmissions
Transmission and drivetrain hardware for manual and automatic platforms are stocked at Black Ops Auto Works. Shop flywheels, flexplates, transmission crossmembers, mounts, coolers, valve bodies, shifters, shifter bushings, release bearings, slave cylinders, U-joints, and transmission rebuild kits for Subaru WRX and STI, Dodge Cummins diesel, GM G-Body and F-Body, BMW B58 and S58, Nissan 350Z, and Toyota GR Corolla platforms. Every part is filterable by year, make, model, and transmission type so builders can confirm the correct fitment before ordering. Black Ops Auto Works carries 1,322 transmission and drivetrain SKUs. What This Category Covers This collection spans the hardware that connects the engine to the drivetrain and manages gear selection, including flywheels, flexplates, transmission crossmembers, bell housings, transmission mounts, pans, coolers, filters, valve bodies, transmission internals, shifters, shifter bushings and cables, release bearings, slave cylinders, U...
View Transmissions Products


