Classes of Race Cars

(Click on Rules tab for detailed rules on each class below)

BUDGET WRENCH-A-PART

STREET STOCKS

The street stock race car is any 1960 or newer full-bodied passenger car. The most popular types are the Camaro, Nova and Firebird. Engine claim is $425.00 or swap.

Harold's Used Auto Parts

IMCA MODIFIEDS

An open wheel stock car that exploded onto the racing scene in 1979. The frame is a 1964 or newer American passenger car only. Engine claim $1050.00 cash or $100 exchange.

IMCA STOCK CARS

One of IMCA's most popular classes, Stock Cars are synonymous with fast-paced excitement. Any US manufactured full bodied rear wheel passenger car. Must be 1970 or newer. Full frame – no unibody. Engine claim $550.00 or  $100 exchange.

IMCA SOUTHERN SPORTMODS

A new entry-level division is the I.M.C.A.
SportMod. This class gives new competitors the chance to experiment with modified racing at the lowest possible cost.  The Southern SportMod is an open wheel stock car. The frame is a 1960 or newer American Passenger car only.  Engine claim is $550.00  cash and exchange.

TEXAS TWISTERS

These are not race cars...they are cars that race! Any sub-compact mid-size car, front wheel drive, that came OEM (original equipment manufacturer) with four/six cylinders.  Anyone can claim a car for $500 cash.  Click on rules for more info. 

Browning Auto Parts
IMCA HOBBY STOCKS

IMCA also features an entry-level division of full-sized cars, the IMCA Hobby Stocks. This division gives new competitors the chance to experiment with the sport at the lowest possible cost, while still experiencing the rush.

Garvin's Machine Shop 

OUTLAW TWISTERS

These are race cars! Any sub-compact mid-size car, front wheel drive with four/six cylinders. Qualified Registered Outlaw Twister drivers can claim a car for $1500 cash.  Click on rules for more info.

We are located at 3406 W. Stan Schlueter Loop • Killeen, TX 76541 • 254-628-2888 
Promoter:  David Goode 254-289-9657   E-mail address:  TexasThunderSpeedway@yahoo.com