1968 Shelby GT500KR Convertible 428 Cobra Jet V8 – Original Survivor

This numbers-matching 1968 Shelby GT500KR convertible pairs its original 428 Cobra Jet V8 with a four-speed manual, original interior, and – remarkably – its original factory exhaust after more than forty years. Its own video description claims 517 convertibles were built that year, and documented Shelby production figures back that up almost exactly at 518 – though a couple of commenters, including one with a documented twin, try to argue the real number is closer to 318. Filmed at Fast Lane Classic Cars in Missouri, it’s a rare survivor wrapped in its own small mystery. Watch to see the full walkaround.

Only a few hundred 1968 Shelby GT500KR convertibles left the factory, and this one comes with a production number the video actually got right: documented Shelby production figures put the total at 518 convertibles, just a single unit off the 517 the description states. Two commenters try to correct that number down to 318, the kind of quiet fact-check that happens constantly in classic car comment sections – except this time the fact-check itself doesn’t hold up against the Shelby American Automobile Club’s own registry. Filmed at Fast Lane Classic Cars in St. Charles, Missouri, this numbers-matching survivor still wears its original interior, original exhaust, and just one repaint in over forty years. How many actually survive today is anyone’s real guess.

A Production Number That Depends on Who You Ask

The video’s own description states 517 GT500KR convertibles were built for 1968, and documented Shelby production figures back it up almost to the unit – the accepted total is 518 convertibles out of 1,053 total 1968 GT500KRs built, the rest fastbacks. At least two commenters, including one who owns a matching automatic version registered with Shelby American, try to correct that number down to 318, but that figure doesn’t line up with the Shelby American Automobile Club’s own registry data. Discrepancies like this pop up constantly in classic car comment sections – sometimes a commenter is remembering a narrower slice of the production run, like a single-transmission or single-color count, and mistaking it for the whole. Either way, it describes a genuinely rare car: a surviving numbers-matching convertible out of just 518 built is a legitimate find fifty-plus years later, no matter which number a given commenter reaches for.

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What Makes This One ‘Numbers Matching’

The description specifies this GT500KR retains its original engine and transmission pairing – the 428 Cobra Jet backed by a four-speed manual – which is the exact combination collectors mean when they use the phrase “numbers matching.” It also carries its original interior and, remarkably, its factory exhaust system after more than four decades, a detail RamblinAround calls out specifically because factory exhaust this old rarely survives; most cars have been through at least one replacement system by the time they’re worth documenting on video.

The Engine That Made the KR Different From a Regular GT500

The “KR” in GT500KR stands for “King of the Road,” and the badge wasn’t just marketing – 1968 was the only year Shelby used the KR designation at all, even though the 428 Cobra Jet engine underneath it kept powering the GT500 nameplate through 1969 and 1970 as well. What actually set the 1968 KR apart from a regular 1967 GT500 was the engine swap itself: that older car ran Ford’s 428 Police Interceptor, a noticeably less aggressive engine than the Cobra Jet Ford had developed to compete in NHRA Super Stock drag racing before adapting it for the street. That 1967-to-1968 engine swap is the single biggest mechanical difference between the two model years, and it’s a big part of why KR models are generally considered the more desirable early Shelby GT500.

One Owner’s Nearly Identical Twin

In the comments, an owner of a 1968 GT500KR describes a car that’s almost a mirror image of this one – same color combination, but built with an automatic transmission instead of the four-speed, registered with the official Shelby registry, and documented at 22,000 original miles with Carroll Shelby’s own signature. That kind of parallel ownership story is common in tight-knit Shelby circles, where a relatively small surviving population means owners often know of, or even know personally, whoever owns the closest match to their own car. Comparing notes with an owner of a near-twin car is also one of the more reliable ways to catch a misrepresented or incorrectly restored feature, since two genuinely factory-correct GT500KRs from the same color run should agree on nearly every detail.

A Detail That Might Not Hold Up: The Taillight Claim

One comment claims the taillights on this GT500KR were sourced from a 1965 Ford Thunderbird, a detail that, if accurate, would be an unusual parts-sharing quirk worth verifying against Shelby’s build documentation rather than taking at face value from a single commenter. Claims like this circulate often in classic car comment sections – sometimes they’re confirmed trivia passed down from restorers, other times they’re a detail misremembered from a different car entirely, which is part of why serious collectors lean on registries and build sheets over YouTube comments when it actually matters for a sale.

Why Fast Lane Classic Cars Became the Setting

RamblinAround filmed this walkaround at Fast Lane Classic Cars in St. Charles, Missouri, a dealership that specializes in exactly this kind of documented, original survivor muscle car rather than volume sales of daily drivers. Dealerships built around that niche tend to attract cars precisely like this GT500KR – low-mile, numbers-matching, well-documented – because sellers know the audience shopping there understands the difference between a numbers-matching survivor and a well-restored clone, and is willing to pay accordingly for the real thing. That reputation matters even more for a car whose paperwork is already the subject of some disagreement, since a dealership known for scrutinizing documentation adds a layer of credibility a private sale typically can’t.

What ‘Stunning’ Actually Means for a Convertible This Rare

More than one commenter reaches for the word “stunning” to describe this car, and with production numbers in the low hundreds by either count, a surviving convertible in this condition genuinely earns the reaction. One viewer even speculates openly about what a minty example like this would actually sell for today, without landing on a number – a reasonable hesitation, since values for original GT500KR convertibles swing enormously based on exact documentation, originality, and which of the two competing production figures a buyer chooses to believe.

A Survivor Worth the Confusion

Whether the real production number is 518 or the mistaken 318 some commenters reach for, and whether those taillights really came from a Thunderbird or not, none of it changes what’s actually sitting in front of the camera: a numbers-matching, largely unmolested 1968 GT500KR convertible with its original drivetrain, interior, and exhaust intact. The small factual disputes in the comments are, in their own way, part of what makes a car like this worth documenting – enough people care enough to argue about the details. If nothing else, the disagreement proves the car has been closely studied by people who actually know what they’re looking at, which is its own kind of compliment.

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