ACT 2004 Mazda RX-8 Flywheel Counterweight

ACT Clutch Kits, Mod-Twin Clutches & XACT Flywheels Build a matched manual-transmission drivetrain with ACT performance clutch kits, replacement clutch discs, pressure plates, XACT flywheels and installation components. Black Ops Auto Works carries Advanced Clutch Technology parts for street cars, track builds and competition applications, including vehicle-specific single-disc kits and Mod-Twin multi-disc systems. Shop by exact ACT part number and your complete engine and transmission combination to find the right configuration for your build. Choose Your Part Start with the engine’s expected torque output and how the car will be driven. A daily driver needs predictable engagement, while a dedicated race car may prioritize fast shifts and repeated high-load operation. Compare the exact kit’s published torque capacity, pressure plate, friction material and hub design. ACT engine-torque ratings are measured at the engine; they should not be treated as interchangeable with wheel-t...

Clutch components for manual transmission builds are stocked at Black Ops Auto Works, spanning single and multi disc clutch kits, master cylinders, clutch lines, clutch forks, and rebuild kits. Shop applications for Subaru WRX and STI, Honda and Acura D-Series, Nissan Skyline GT-R and 350Z, BMW E46 M3, Ford Mustang GT and GT500, GM LS platforms, and Dodge Challenger HEMI. Kits range from street-friendly organic disc setups to twin and triple plate racing clutches for high horsepower and forced induction builds. Black Ops Auto Works carries 1,537 clutch component SKUs. What This Category Covers This collection includes clutch covers, clutch discs, clutch forks, clutch lines, clutch master cylinders, clutch rebuild kits, and both single and multi disc clutch kits for manual transmission vehicles across import and domestic platforms. Choosing a Clutch Stage for Your Build Stage 1 clutches suit lightly modified street engines up to about 350 horsepower, Stage 2 kits cover 350 to 500...

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...

Compare Mazda RX-8 intake and brake options using the exact rotary-engine configuration and fitted calipers. Evaluate engine-control accessories separately from airflow and friction components. Short-Ram Intake Selection Match the exact intake year and engine coverage, sensor provisions, tubing route and mounting hardware. Compare polished and wrinkle-black finishes only after confirming application and contents. For a modified engine or intake, provide existing components and engine-management changes. A replacement system must support the actual configuration rather than only the chassis designation. Pedal Controls and Race Brakes A throttle-control accessory needs the correct pedal connector, harness and manufacturer application. It should not be treated as an intake kit or an engine power calibration. For race pads, compare caliper, backing shape, axle and exact equipment coverage. Review compound operating guidance, rotor compatibility and the specified bedding procedure before...