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The ACT XACT Prolite flywheel for the 1979 Ford Mustang is ACT's lightest Prolite offering with very low inertia to improve throttle response and acceleration. Prolite variants are favored for road and rally racing but may reduce drivability on street-driven cars. Materials are distributed for strength, heat tolerance and rigidity; units are serviceable and can be resurfaced. Includes a one-year warranty.
ACT 1979 Ford Mustang XACT Flywheel Prolite
