Stock Classes
Pure Stock – Classified according to Stock Classification Guide
Manual and automatics run in separate classes. DOT tires only, 8-inch factory wheels, all wheels and tires must match (identical brand and size), factory exhaust, factored horsepower to shipping weight, stock body, stock factory motor with no changes, no aftermarket tachometers.
Classes: Rear Wheel Drive; A thru W. & Front Wheel Drive; AF thru HF.
(Examples: A/PS or A/PSA & AF/PS or AF /PSA)
Pure Stock X – Classified According to Stock Classification Guide
Manual and automatics run in separate classes. Any width DOT tires that fit an unmodified wheel well, any 5-9 inch wheels, full exhaust, traction bars (no ladder bars), aftermarket air cleaners, closed headers, and accessory gauges.
Classes: Rear Wheel Drive; A thru W. & Front Wheel Drive; AF thru HF.
(Examples: A/PSX or A/PSAX & AF/PSX or AF /PSAX)
Stock – Classified according to Stock Classification Guide
Manual and automatics run in separate classes. Slicks and headers permitted. Classes: Rear Wheel Drive; A thru W. & Front Wheel Drive; AF thru HF.
(Examples: A/S or A/SA & AF/S or AF /SA)
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