Clutch Masters FW-620S-AL Flywheel Nissan Skyline RB25DET Eng. 6Cyl
- Years: 93-98
- Japan Motor & Trans
- Spec: .005+
Typical benefits of a lightweight flywheel for various engine types:
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- Reduced mass equals increased acceleration.
- A lightweight flywheel works particularly well with turbo-charged engines because it reduces typical turbo lag.
- Increased supercharger efficiency due to less parasitic drag on the crank.
- Improved mid-range torque in a normally aspirated engine due to not having to overcome the heavy weight of a stock flywheel.
- CM uses only 6061-T6 aircraft grade or better billet aluminum in the manufacturer of its flywheels.
- CM uses High Carbon steel for the friction surface. (Replaceable)
- CM uses an OEM steel ring gear secured by bolts.
- CM offers a limited lifetime warranty.
- CM Billet Aluminum Flywheels meet SFI Spec 1.1 or 1.2