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The ACT XACT Prolite flywheel for the 1979 Ford Mustang is a lighter, low-inertia option engineered for quicker throttle response and improved acceleration. Prolite flywheels are preferred for road and rally racing but may reduce drivability on street-driven vehicles. Materials are distributed for strength, heat tolerance and rigidity, and the flywheel is serviceable and can be resurfaced. Backed by a one-year warranty.
ACT 1979 Ford Mustang XACT Flywheel Prolite
