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The SPEC aluminum flywheel is a lightweight replacement for classic Mustang applications listed across the 1965–1974 and related model years. Intended to reduce rotating mass and improve throttle response compared with heavier stock units, the aluminum option matches original bolt patterns and engine pairings for direct replacement during clutch or drivetrain service on vintage Mustangs.
Spec 65-74 Ford Mustang 5.8L / 66-73 Mustang 4.7L/5.9L / 67-69 Mustang 6.4L Aluminum Flywheel
