2017 Super Street (Street Stock) Rules:

Type A Cars


a. Any cubic inch allowed – open engine.

b. Cast iron block and cylinder heads (only). Absolutely no aluminum block or heads!

c. Aluminum or cast iron intake permitted.

c. No dry sump.

d. One carburetor permitted (2-barrel or 4-barrel).

e. Gas only.

f. No turbo. No supercharger. No nitrous oxide. No nitro methane.


a. Stock or MSD ignition permitted (no magneto).

b. Absolutely no traction control permitted!


a. 104-inch wheelbase (minimum).

b. Coil spring rear suspension cars must have full frame to center of the rear end. Coil spring cars will use factory design (Example: Metric cars will use 2 triangulated upper and 2 lower trailing arms).

c. Camaro and Nova front stub cars may be tube from the front clip back for leaf spring rear suspension ONLY. … Full frame leaf spring conversions are OK.

d. Rear control arms to be: Upper 10-inch minimum, 12-inch maximum … Lower 18-inch minimum, 21-inch maximum. (Can be aftermarket)

e. One (1) shock per corner, total of four (4) on car. Schrader Valve shocks are OK.

f. No canister shock. No aluminum body shock.

g. No coil over shock. No adjustable shock.

h. No coil over eliminators, brake floaters, j-bars, panhard bars, lift bars, birdcages, or pull bars.

i. Upper ball joint to be even with #1 spark plug.

j. No quick change rear ends. 9-inch floated rear end acceptable.

k. No strut cars.

l. No wide 5 hubs or wide 5 adaptors.

m. Weight jacks are permitted.

n. Leaf spring rear end acceptable.

o. No progressive springs. No spring rubbers.

p. Minimum 5-inch diameter springs.

q. Stock steering box (no late model type rack and pinion). May use quick release steering wheel with steering column in stock location.


a. 2,900 pounds anytime, no burn off.

b. Driver will receive 25 lb. weight break if wearing approved HANS device.


a. Open tires.

b. Steel wheels only (No aluminum wheels permitted)

c. 10-inch maximum width.

d. Longer studs permitted, can be double-nutted.


a. Any transmission permitted (stock, Bert, Brinn, etc. – but must have reverse gear).


a. Headers are permitted, but no turn-down headers are allowed to be turned down toward the racing surface.


a. Aluminum, steel, and composite body panels are permitted (rear may be left open). … Wagon roofs are allowed.

b. After market stock appearing nose pieces are permitted. No wedge style Late Model noses.

c. 8-inch rear spoiler height maximum.

d. Spoiler supports to be no more than 23 1/2 inches long with no more than three (3) supports permitted.

e. Front bumpers must be constructed of 1 3/4-inch round or 1 1/2-inch square .095 tubing (maximum). Must turn and extend rearward behind the nose a minimum of 6 inches (no welded 90* or sharp edges).

f. Rear bumpers must be constructed of 2-inch round or 2-inch square .095 tubing (maximum). Must turn and extend forward behind the quarter panel a minimum of 18 inches (No welded 90* or sharp edges).

g. Hood and trunk must be fastened with hood pins.



Type B Cars


No late model style, stock appearing nose, CALL BEFORE YOU HAUL 865-712-8328 Charlie Hill
8 Inch spoiler max. 3 spoiler braces 8 inches tall x 18 1/2 long max
Bodies must look stock appearing
No flat sides and must have stock appearing nose


Full frame may be tube from center of rearend back “camaro must have stock rear frame rails also.
NO CLIP CARS, stock type rear suspension, 3 or 4 link “No late model style 4 link”
NO MOVABLE BIRD CAGES,can have heims and tube trailing arms,leaf spring cars can have sliders and floating housing on one side, coil overs allowed non adjustable.
Wheelbase minimum 100 inches.
Stock type steering box or rack. Drag link eliminator ok. Whatever style your car came with. No late model type racks.
Coilovers Permitted (no adjustments on shocks, no Schrader Value)
$150 Buy Rule on Any Coilover Assembly


Lift Bars & Pull Bars Permitted
No quick change rearends. 9 inch floaters ok.


BERT & BRINN type trans ok.


3,050 lbs at anytime. No burn-off
Any Birdcage must be steel and welded to rear end housing solid (no set screwing)
Engine /Block/Crank/Rods/Pistons

Open motor all steel , Chevrolet Engine limited to maximum 362 cubic inch. NO aluminum heads or block, no dry sump
Engine set back # 2 cylinder inline with upper ball joint 1 inch tolerance.


Gas Only

Steel wheels, 12″ wide maximum
Beadlocks OK
Wide 5 Adapters OK

TIRES (Late Model Take Offs)

Open Compound all 4 Corners


******If either type” A” or “B” Cars dominate the class, Smoky Mountain Track Officials will adjust the rules to promote equality between the car “Types”******

809 Brick Mill RD
Maryville, TN 37801