This is the kind of discovery that car collectors dream about. A documented one-owner 1970 Mercury Cyclone Spoiler SCJ, showing an incredible 4,459 miles on the clock, just sold for $164,000 at the Barrett-Jackson 2025 Scottsdale Fall Auction. It had been garage-kept by the same owner for 50 years, last seeing the outside world in 1975.
Super Cobra Jet Power
This Cyclone wasn’t ordered for comfort; it was built for the dragstrip. Under the hood sits the matching-numbers C-code 429-cubic-inch Super Cobra Jet V8. That engine is backed by a close-ratio Toploader four-speed manual transmission, sending power to the pavement via a W-code Super Drag Pak 4.30:1 locking rear axle. This 1970 Mercury Cyclone Spoiler SCJ was a factory-built street brawler from day one.
The One-of-One Time Capsule
What makes this car truly astonishing is its preservation and rarity. It still wears the original dealer plastic on the seats and retains the Ford cardboard delivery floormats. The original window sticker is still mounted in the window. The car comes with its original build sheet, factory invoice, and the owner’s handwritten service log. While 341 Spoilers received the SCJ/four-speed combo, this car was ordered in special-order black (a non-factory color), making it one of only 19 with this specific paint and trim code.
A “Day Two” Mercury Cyclone Spoiler SCJ Muscle Car
The owner didn’t just lock it away. Shortly after delivery, he made several period-correct modifications, turning it into a perfect example of a Day Two muscle car. He added American Racing 200S wheels, a Shelby aluminum intake manifold, a massive Holley 1,150 cfm carburetor, and a full set of eight Sun gauges on the dash. (The original carb and air cleaner are included in the sale, though the original intake and wheels are gone.)
A True Survivor
This car represents the absolute peak of Mercury’s muscle car efforts. It’s fully documented with a Marti Report confirming its special-order black paint. Even a minor professional refinish in 1971, documented by the owner in his log, is part of its unique 50-year history. This was a genuine, unrestored survivor that offered a rare opportunity to own a one-owner, one-of-one piece of Super Cobra Jet history.
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