sTEEL HEAD LATE MODEL
BODIES:
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Lucas Oil, SAS body rules apply
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Rear deck height max. 38 inches. Will be measured from the rear T-Bar to ground
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8 inch spoiler and sides max, 8 inch of flat surface for spoiler.
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Minimum wheel base 103 inches
TIRES:
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Fronts open
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Rears – Hoosiers 1600/Equivalent or AR56/Equivalent. Must be shoulder plated.
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Must punch 50 at any time
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No chemical treatment of any kind allowed
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14 inch aluminum wheels only
*Tire samples will be taken
SUSPENSION:
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Lucas Oil, SAS suspension rules apply
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Carbon fiber drive shafts allowed
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Any transmission
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Any rear end
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Engine set back 6 inches +/- 1 inch
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Any ignition
FUEL:
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E-85 or gas only. NO alcohol, nitrous oxide, or any other fuels allowed.
*Fuel samples will be taken.
ENGINE AND WEIGHT:
ENGINE A: 2250 lbs min. After qualifying and feature.
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Max. 365 cubic inch
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Max. Stroke 3.500
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Any steel crank and rods
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All steel block
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Flat top pistons only
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Flat tappet cam and lifters
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Any steel 23 degree style head with 2 degree tolerance
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No raised runner heads allowed
ENGINE B: 2300 lb min. After qualifying and feature
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Max. 365 cubic inch
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Max. Stroke 3.500
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Any steel crank and rods
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Any steel block
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Flat top pistons only
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Roller cam allowed
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Any steel 23 degree style head with 2 degree tolerance
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No raised runner heads allowed
ENGINE C: 2400 lbs min. After qualifying and feature
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Max. 365 cubic inch
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Max. Stroke 3.500
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Any steel crank and rods
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All steel block
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Dome pistons allowed
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Roller cam allowed
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Any steel 23 degree style head with 2 degree tolerance
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Raised runner heads allowed
Engine D: 2500 lbs after qualifying and feature
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Max. over 365 to 406 cubic inch
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Steel block
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Steel 23 degree style heads (plus or minus 2 degree)
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Raised runner heads allowed.
No burn off rule, weight is as follows, no tolerance
ALL PROTEST RULES APPLY, VIEW IN GENERAL RULES