Harley-Davidson built the King of the Baggers series into a legitimate motorsport category — and now the factory is walking away after 2026. If you've been watching Road Glides drag-race Indian Challengers around road courses for the past few years, you already know what's at stake when a factory program folds.
The Official Word: What H-D and MotoAmerica Said
Harley-Davidson announced it will conclude its factory racing participation and official team support in the Mission King of the Baggers Championship following the 2026 season. MotoAmerica responded with a formal statement thanking fans across the United States and around the world for their support of the series. The championship itself isn't going anywhere — MotoAmerica runs the series, not Harley — but the factory infrastructure, the works bikes, the full-time engineers and the official team budget are being wound down on the Milwaukee side.
That's a significant shift. Factory programs don't just bring lap times. They bring development dollars, prototype parts, and — critically — homologated components that eventually trickle down to the aftermarket. When a factory pulls out, that pipeline changes.
What the Factory Program Actually Built
To understand why this matters, you have to appreciate what Harley's factory effort put on the track. These weren't stock touring bikes with a pipe swap. The factory Road Glides that competed in King of the Baggers were rolling development labs — Milwaukee Eight engines pushed well beyond showroom spec, suspension geometry reworked from the ground up, braking packages that had no business being on a machine this heavy, and aerodynamic work on the fairing that informed how the production Road Glide cuts air.
The factory program validated what the aftermarket had been saying for years: a big-inch V-twin in a full-dress bagger can be a legitimate road racing weapon. Every performance cam upgrade you bolt into your Milwaukee Eight, every race-style rear shock you spec for your Road Glide — those parts exist in their current form partly because factory racing forced engineers to figure out what actually works at speed and under sustained load.
The series drew millions of fans who had never watched road racing before, because for the first time the bikes on the grid looked like the bikes in their garage.
King of the Baggers Isn't Dead — It's Just Changing
Let's be clear about what this announcement is and isn't. This is a factory withdrawal, not a series cancellation. MotoAmerica's Mission King of the Baggers Championship will continue. Independent teams, privateer builds and manufacturer-supported squads from other brands will keep racing.
For Indian Motorcycle, this is a competitive opening. For aftermarket builders who've been supplying chassis, engine and electronics packages to privateer teams, it's potentially an opportunity to step into a more prominent role. The series that Harley helped legitimize doesn't disappear when the factory haulers leave the paddock.
What does disappear — or at least diminish — is the direct factory-to-showroom-to-aftermarket development loop that a works program creates. That puts more pressure on the aftermarket to keep pushing performance boundaries independently. Shops like ours exist precisely to fill that gap.
The Aftermarket Was Always Doing the Heavy Lifting
Here's the truth that any serious bagger builder already knows: the factory program was exciting, but the aftermarket has been running the real performance game for years. S&S Cycle, Vance & Hines, Trask Performance, RevTech — these companies were extracting serious power from Milwaukee Eight platforms before the factory decided road racing was a marketing priority.
A high-flow exhaust system from a proven manufacturer isn't going to stop being effective because Harley pulls the factory tent. A properly ported head, a performance air cleaner matched to your cam and exhaust, a fuel management solution that actually commands your injectors with precision — none of that requires a factory racing program to validate it. The dyno doesn't care about press releases.
What the factory exit does is remove one source of trickle-down development data. The aftermarket will adapt, as it always has.
What This Means for Your Road Glide Build Right Now
If you're building a performance bagger or planning one, the 2025-2026 window is actually a smart time to pay attention. Factory teams often run liquidation or supplier restructuring when programs wind down, and the racing-derived parts that make it into the aftermarket catalog sometimes get finalized and priced during the final seasons of a program.
More importantly, the fundamentals of a fast bagger build haven't changed and won't change based on corporate motorsport budgets. Here's where to focus:
Engine: Displacement and Breathing
The Milwaukee Eight 114 at 1868cc is your baseline. The factory racers went bigger and breathed harder. For your build, that means a big bore cylinder kit if you're serious about displacement, combined with a cam grind that actually matches your head flow and intended RPM range. Don't bolt a racing cam into a stock head and call it a build — the whole system has to work together.
Suspension: Because Fast in a Straight Line Isn't Fast
Factory King of the Baggers bikes ran fully adjustable suspension front and rear because a 700-plus-pound machine at triple-digit speeds requires chassis control, not just power. Your performance build doesn't need race-style compression damping curves, but it does need upgraded rear shocks that can handle the actual weight of a Road Glide or Street Glide at speed. Stock rear suspension on a heavy bagger is the single biggest handling compromise most riders are running.
Brakes: The Part Nobody Wants to Talk About
You can't go faster than you can stop. Factory King of the Baggers braking packages were engineered specifically for the weight and speed profile of a full-dress bagger. For track-focused builds, that translates to upgraded brake rotors and pads that can handle repeated hard stops without fade — especially important if you're running more power than stock.
Exhaust and Fueling: Don't Leave Power on the Table
A properly matched performance exhaust and fuel tune is where most performance bagger builds still have easy gains sitting unclaimed. If you're running a slip-on with a stock tune, you're leaving efficiency and power on the table. A full system paired with a proper tune on a load-bearing dyno is the single highest-return modification most Milwaukee Eight owners haven't done correctly.
The Legacy the Factory Program Leaves Behind
Love or hate corporate motorsport decisions, Harley-Davidson's factory King of the Baggers effort did something genuinely important for the performance bagger world: it proved the concept at a national motorsport level. It put touring bikes on a road course in front of mainstream motorsport media and made them impossible to dismiss. That cultural validation doesn't evaporate when the factory budget is reallocated.
The riders who got hooked watching a Road Glide outrun machinery that had no business losing to a touring bike — those riders are now in the market for performance parts. The builders who learned what's possible at the factory level are now taking that knowledge to privateer and customer builds. The series continues.
And the aftermarket — the independent companies that have always lived closer to the actual rider than any factory program — will keep developing, keep testing and keep putting parts on the shelf that make your bagger faster, better handling and more capable than anything Milwaukee shipped from the factory.
Build Your Own Program
Harley-Davidson's factory exit from King of the Baggers is the end of a chapter, not the end of performance bagger culture. The series runs through at least 2026, the racing is real and the development continues — just with different hands on the wrenches. For riders building serious machines, the lesson from every factory program that has ever ended is the same: the aftermarket inherits the mission.
Your Road Glide, your Street Glide, your bagger build doesn't need a factory program to be fast. It needs the right parts, spec'd correctly, tuned properly. Start with a full performance exhaust system and a stage-matched cam upgrade to wake up what Milwaukee Eight already has sitting inside that engine — then keep building. Shop our performance exhaust collection and bagger upgrade parts at vtwinbikers.com and put your own program together.
Related parts at V-Twin Bikers
- Road Glide exhaust
- Road Glide suspension
- Road Glide brakes
- King of the Baggers parts
- Road Glide parts
- Street Glide parts
- Kuryakyn Road Glide parts
Note: V-Twin Bikers parts and upgrades are sold for off-road / closed-course race use only and are not intended for street or road use.
Featured photo: “Screaming Eagle” by MIDWST.BLUR, MotoAmerica Road America 2023, licensed under CC BY 2.0.