Fidanza 02-08 Honda Civic Si/02-06 Acura RSX (incl Type-S) 8lb Aluminum Flywheel

When you're getting into the drivetrain for your 2002-2011 Honda Civic Si or 2002-2006 Acura RSX (including the Type-S), a lighter flywheel can make a noticeable difference. This Fidanza aluminum flywheel weighs in at 8lbs, which is about 40-60 percent lighter than the stock unit. That reduced mass means the engine can rev up faster, giving you quicker acceleration and a more responsive feel when you get on the gas.

Fidanza builds these flywheels from solid 6061 T6 or 2024 T3 aluminum right here in the USA. They don't just copy the stock design; they analyze it and engineer improvements. A key feature is the replaceable friction plate, made from hardened 1050 steel. This means when the friction surface eventually wears out, you can simply replace the plate instead of the entire flywheel, saving you money down the road. The military-spec fasteners used add to the reliability and strength of the assembly.

This flywheel is designed to reduce rotational inertia, which directly translates to faster throttle response. While it's lighter than stock, it's not ultra-lightweight, so you shouldn't experience issues with a rough idle or poor driving characteristics that can sometimes come with extremely light flywheels.