In-Stock 1990 Mazda RX-7 Flywheels

600145-02 is a flywheel for various Mazda RX-7 and RX-8 applications and comes complete with an ACT counterweight. The flywheel counterweight is required when installing the XACT flywheel on various Mazda RX-7 and RX-8 rotary applications. ACT XACT Streetlite flywheels are considerably lighter than ...

600140 is a Prolite flywheel, which is ACT's lighter flywheel offering with lowest inertia. Prolite flywheels are designed for best throttle response and acceleration. Prolite flywheels are preferred for road racing or rally racing, and have reduced drivability. Materials are properly distributed fo...

600145 is a Streetlite flywheel, which is considerably lighter than stock and is the most durable flywheel offering from ACT. Materials are properly distributed for maximum strength, lower inertia, good heat tolerance and rigidity. ACT's Streetlite flywheels are preferred for street or drag racing. ...

Action Clutch Chromoly Lightweight Flywheels are the perfect upgrade for light to high tuned street and race vehicles. Our Chromoly Lightweight Flywheels stand up to extreme use and have increased durability through our heat treatment process. Action Clutch Chromoly Lightweight Flywheels have been t...

Action Clutch Chromoly Lightweight Flywheels are the perfect upgrade for light to high tuned street and race vehicles. Our Chromoly Lightweight Flywheels stand up to extreme use and have increased durability through our heat treatment process. Action Clutch Chromoly Lightweight Flywheels have been t...

Competition Clutch Ultra Lightweight Steel Flywheels (STU suffix) are recommended for forced induction and/or track and rally racing applications. This flywheel is machined with less material to assist in quicker revving capabilities. Well-suited for Stage 3 and up clutch applications. Made of 4140 ...

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 Stage 1 and Stage 2 clutch applications. Made of 4140 forged steel and are a one-piece design...

Competition Clutch Ultra Lightweight Steel Flywheels (STU suffix) are recommended for forced induction and/or track and rally racing applications. This flywheel is machined with less material to assist in quicker revving capabilities. Well-suited for Stage 3 and up clutch applications. Made of 4140 ...

XClutch flywheels are designed and engineered to the highest standards and are available in a range of configurations for various performance applications. Utilising the highest quality materials for the ultimate in strength and weight reduction, the XClutch flywheel range has been developed to offe...

XClutch flywheels are designed and engineered to the highest standards and are available in a range of configurations for various performance applications. Utilising the highest quality materials for the ultimate in strength and weight reduction, the XClutch flywheel range has been developed to offe...