View our Specials! Coupon Code: SaveIn2026
Types of Driving: Street, Drag, Pulling, Autocross
SPEC billet flywheels are manufactured and developed for specific driving environments and recommended based on how each car reacts to changes in rotating mass. SPEC flywheels are NOT a one-fits-all lightweight flywheel, though they can be used for an array of driving habits and racing/high performance applications. Consult a SPEC representative for a recommendation. Manufactured from only the highest quality steel and aluminum, they are the only flywheels on the market manufactured to a .001 machine tolerance, guaranteeing a flat seating surface for the clutch and smooth rotational qualities for perfect balance and extended engine life.
Mercury SPEC Steel Flywheels |
Mercury CycloneView all Mercury Cyclone Flywheels |
 SHIPS FROM MANUFACTURER SF15SSpec 65-74 Ford Mustang 5.8L / 66-73 Mustang 4.7L/5.9L / 67-69 Mustang 6.4L Steel Flywheel 1964-1964 Mercury Cyclone Base 1966-1970 Mercury Cyclone Base 1969-1969 Mercury Cyclone CJ 1970-1970 Mercury Cyclone GT $362.14
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Looking to upgrade your Mercury Cyclone with a flywheel from SPEC? We carry a great variety of SPEC Steel Flywheels and other drivetrain performance parts for your Mercury Cyclone.
We have 1 SPEC Steel Flywheels available for Mercury Cyclone models with free shipping to the Continental US 48 States.