SK Modified Division Rules For 2019 Season At Stafford Speedway Released

(Press Release from Stafford Speedway)

Stafford Speedway has released its 2019 rules for the SK Modified® division.

The changes from the 2018 rules are a Beyea Performance part number TBD has been added to the list of permitted exhaust headers for the Spec Engine, the Spec Engine Flywheel and Clutch must be an SFI rated 153 tooth steel OEM type ring gear/flexplate that weighs a minimum of 4.1 pounds, the Big Haus USA #002 Carburetor Spacer must be used, and 2019 will be the last season that aluminum oil pans may be used with the spec engine.

The release of the SK Modified® rules means that all 2019 Stafford Speedway rules have been released.

Check the DOWNLOADS section of the Stafford Speedway website to see the 2019 rulebooks.

For more information, contact the Stafford Motor Speedway track office at 860-684-2783 or visit us on the web at


  1. Is there a header shortage? No reason to add a header supplier but a kick back. Two more reason for an outsider not to show up – need another flywheel and carb spacer. Didn’t stafford get the message about making the rules the same at all three tracks?

  2. They added another approved header to an existing list. I read it as MORE choice, not less.

    “20E- 9 ENGINE EXHAUST SYSTEM- A. SK Spec Engine must use the following headers:
    Flowrite: Troyer #3025, CD #3035, Spafco #3055, Raceworks #3045
    Kooks: Troyer #SMS1048, CD #SMS1438, Spafco #SMS1348, Raceworks #SMS1253
    Beyea Performance part numbers- TBD”

  3. As far as the rules. More header choices, a good thing. The carb spacer, makes no sense to me. As long as the bore size meets spec should be able to use it. The clutch rule makes no sense either, why not leave it alone. And outlawing the aluminum oil pan currently in use, that just costs the teams money, like the clutch and carb spacer. So much for lowering the cost of racing.

  4. YouHateEverything_FactsMatter says

    Clutches have been coming apart. Dan Avery’s SK 5K fire was clutch/flywheel related.

  5. Non-spec racer says

    More headers rules are not a good thing. Narrowing down something to a part number does nothing for the sport. What if a potential exhaust shop wanted to sponsor a car by building headers for someone?
    Oh wait Mr. Sponsor we can’t take your free labor and materials to help offset our costs but could you give me some money to buy a new set of headers produced by someone else. Yeah that makes sense. Create limits to only make a few companies profitable, cost races unneeded money and drive potential new sponsors away.
    Tracks/series need to get away from this lets make a deal with a manufacturer/engine builder and get back to having sensible rules and good tech men who can understand what a racer is trying to achieve. I say we start an ANTI SPEC class, not a run what you brung class but one where we define the engine size, weight (Total & left side), car size parameters, and tire durometer. Build a box, require everyone to stay inside the box and may the most innovative person win. If you want you possible could include some price limit but let guys make deals if they can.

  6. ” I say we start an ANTI SPEC class, not a run what you brung class but one where we define the engine size, weight (Total & left side), car size parameters, and tire durometer. ”

    Bring money, as in cubic dollars… I’m old enough to remember when tracks (and even the Cup, NHRA, Formula 1, and and Indy) did exactly what you’re describing. The biggest checkbooks won and essentially drove everyone away who couldn’t afford to compete.

  7. Man you must have rubber man arms to reach so far to suggest a a team may get shut out of an exhaust sponsorship because of limits on header part numbers.
    Barry’s correct. Ain’t happening. Not even for open events. In fact let me know where a virtual absence of engine rules exists anywhere now.
    The trend is not toward guys like Mike and Ted Christopher that used to build their own engine. It’s toward erector set race cars where the experts build the components and more experts put them together. That’s just the way it is.

  8. You hate… Thanks for the input. Having parts fail would be a good reason to establish a spec. We had a clutch come apart in our late model, and in addition to a nasty fire, it caused allot of damage, even lost the motor. So yes a rule in the name of safety makes sense.

  9. In the way of out of the blue Stafford has been running a pretty good ad on WHYN in Springfield promoting the races every Friday. WHYN is for the most part an AM conservative talk radio station with some business but mostly hard right pundits. Which is probably a pretty good idea to target older, white males that may be in some ways not unlike the audience in this forum. Hopefully they have been running ads on stations for a younger audience cause WHYN won’t expand the current racing demographic we all seem to agree needs to be a priority.

  10. Just to check my memory about pre-spec racing, I stepped into the wayback machine, and pulled up 1975 Winston Cup.

    Look how many different drivers won. Basically the same 3-4 best sponsored cars won, STP, Purolator, Motorcraft… Remember, this was in the days of mountains of cars trying to qualify, and everyone got in on speed.

    On the right side of the page I provided above, there’s a box that will let you step year to year. Not much changed, the same 3-4 cars won every time. Fading car counts and lack of competition are why the SK was born.

  11. Why was the Sk born fading car counts ha ha it was because every ones idols of years ago said were not coming fill in the blanks.

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