Exedy Lightweight Flywheel for 88-00 Honda Civic/CRX D Series

Exedy Lightweight Chromoly Flywheel - 1988-1991 CRX & 1990-2005 Civic (D-Series)

If you want your D-series to rev like it means it, the Exedy lightweight flywheel (SKU EXE-HF501) is a proven upgrade. At 10.9 lbs it drops a big chunk of rotating mass off the factory flywheel, so the engine picks up rpm faster, something you'll feel most in 2nd and 3rd when you roll back into the throttle. It works for drag, autocross, and rally, and it still behaves on the street, as long as you accept the trade that comes with less stored inertia.

What The Lighter Weight Does

Pulling weight off the flywheel lets the engine change rpm quicker, which sharpens throttle response and makes rev-matching and throttle blips cleaner. The honest trade is the reduced inertia: with less mass carrying momentum, the car can be a little easier to stall if your idle and clutch control are sloppy. Once you're used to it, it's a non-issue, and the eager response is the whole reason to run one. It won't magically add horsepower, but it makes the car feel more alive every time you crack the throttle.

One-Piece Billet Chromoly

Exedy builds this from solid one-piece billet chromoly steel, so you get strength and heat capacity that aluminum flywheels struggle with once you start doing repeated launches or hot lapping. Just as important, Exedy cuts the ring gear teeth directly into the flywheel rather than pressing on a separate ring gear the way many aluminum units do. That matters because mixed materials expand at different rates, and ring gear separation is not the kind of excitement you want. This design avoids that failure mode entirely.

Proven And SFI Certified

Exedy has durability-tested this flywheel to 15,000-18,000 RPM, and it meets SFI standards, which is why people run it as a race flywheel without losing sleep over it. It's the combination of light weight, chromoly strength, and real certification that makes it a flywheel you can trust on a hard-driven car. We run these exact parts on our own cars because they take abuse and keep working.

Key Features

• 10.9 lbs for quicker rev and cleaner throttle response
• One-piece billet chromoly steel construction
• Integrated ring gear cut into the flywheel, no pressed-on ring gear to separate
• Durability tested to 15,000-18,000 RPM
• SFI certified
• Drag, autocross, rally, and street capable

Fitment

Fits the D15, D16, and D17 engines in the 1988-1991 Honda CRX and 1990-2005 Honda Civic. Confirm your engine and that you're running the manual transmission before ordering.

If you want sharper response and a more eager engine without gambling on questionable parts, this Exedy chromoly flywheel is the straightforward answer: light, strong, SFI certified, and built to take abuse. Just understand the lighter-inertia trade, pair it with the right clutch, and it'll make your D-series feel awake every time you get on the throttle.