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2025 COS Rules UPDATES

ICYMI, DRIVERS there have been some rule UPDATES listed for 2025. PLEASE visit the driver's info tab on the website to see the updated Rules. Here are some rule changes we would like you to be aware of:

Late Model Sportsman and Modifieds: Tire UPDATE: The Hoosier F70 as well as the 980 will be the two tires you can use. If you have 980’s left over or if you prefer the 980’s we will stock them. If the 980 loses popularity they can still be ordered we just need a little heads up. You need to run the same tire on all four corners.

ALL TIRES must have BABY POWDER INSIDE

Street Stocks: 6” x 60” flat clear spoiler centered – 1” lip facing rear allowed.
Minimum wheelbase is 108"
No High-Tower or Quick-Shift transmissions. No Reverse-Mount Starters allowed.

ALL TIRES must have BABY POWDER INSIDE

A-B-C FWD:

Base Weight:
• Single Cam 2250 lbs
• Dual Cam 2350 lbs
• K Series & V-6 2450 lbs

ALL TIRES must have BABY POWDER INSIDE

Tread Wear Rating of 200 or more must be visible on outside of tire.

Wheels:
Oversized 1" lug nuts are required with safety wheels.
Wheel studs must extend at least 1 thread beyond lug-nut on stock
and safety wheels.
Cockpit:
Seatbelts must be in good condition and considered safe.

Steering and Suspension:
Maximum track width is 75”
Minimum of 4” ground clearance to body panels or frame.

Breakout Time in Heats:
Black-flagged, no points or pay for Heat race. Your best time in the heat race now becomes
your new base-time for the Feature and you will start the Feature behind the top qualifier.

Breakout in the Feature:
Black-flagged and sent to Pits.

MINI WEDGES:

Cobra Tires will be ALLOWED
Hoosiers will be allowed, but NO MIXING OR MATCHING OF BRAND to be ran at the same time!

We look forward to seeing all of you at test and tune on 4/19/25 and 4/25/25!

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