Fidanza 86-91 RX-7 1.3L NON TURBO Aluminum Flywheel

If you're working on your 1986-1991 Mazda RX-7, especially the 1.3L non-turbo model, and you're looking to improve its acceleration and throttle response, this aluminum flywheel from Fidanza is a solid choice. A flywheel's job is to store rotational energy, smoothing out the engine's power delivery between combustion cycles. By swapping to a lighter aluminum unit, you reduce the rotational mass, allowing the engine to spin up and down more quickly. This means you'll notice a snappier feel when you get on the gas and a quicker response when you let off.

Fidanza builds these flywheels with a billet 6061 T6 or 2024 T4 aluminum body, which is significantly lighter than the stock cast iron unit – typically 40-60 percent lighter. This reduction in weight, known as lower MOI (moment of inertia), is what directly translates to quicker acceleration and that improved throttle response you're after. To ensure long-term performance and grip, the friction plate is heat-treated for durability and is designed to be replaceable. For added reliability, especially under the stress of clutch engagement, they use military-spec fasteners. The ring gear is made of hardened 1050 steel and is also designed to be bolted on, making it easy to replace if needed down the road.

This flywheel is designed as a direct bolt-on replacement for your RX-7, simplifying the installation process. When you're replacing your clutch, this is the perfect time to upgrade your flywheel to shed some weight and unlock a bit more performance from your engine.