Superstock


TIRES
- 37" maximum DOT tires marked on tires.

- No cutting or grooving.

- No paddling tires




ENGINE
- Gasoline only, NO nitrous, alcohol or forced induction.

- Roller rockers and roller cams allowed.

- No after markey fuel injection.

- Big blocks allowed, must be in stock location.

- 468 cubic inches allowed - Carb swaps allowed.

- No trans brakes - No aluminum heads. Open headers allowed if exiting up or down, not out sides.

- Must run a steady 15 inches of engine manifold vacuum (minimum) at 800 RPM's for 30 seconds. No vacuum pumps or equipment that will produce vacuum.

- Front and rear mount radiators allowed but must have shielding to protect the driver in the event of a leak.

- Approved transmission blanket or shield required on all auto transmissions. Scatter shield required on bell housings of manual transmission equipped trucks.




BODY
- Complete body required, corp. matching, make and model.

- Rear seat and tailgate may be removed.

- Must have 2 working doors unless open bodied.

- Body must be completely intact.

- Minimal fender well trimming to accommodate larger tires.

- Dash components may be removed (components only).

- OEM Bench seats allowed/racing seat strongly recommended.

- No fuel tanks inside driver's compartment.




FRAME & SUSPENSION
- Total body & suspension lift not to exceed six (6) inches.

- Must be factory suspension - Axle swaps allowed. Must have factory OEM unmodified frame.

- Must have corporate transfer case.

- Driver must sit in stock location.

- Engine, tranny and chassis must be corporate matching.

- Tow hook required, front and rear.

- Two point traction bar allowed. Must hook to the top center of the rear end and not to proceed past the front two spring hanger bolts on the rear springs.

- Factory OEM suspension three full lenth leaf springs minimum allowed.

- Trucks must have drive shaft loops front and rear.




SAFETY

- 4 point harness - 4 point roll cage - fire extinguisher.

- Brake locks recommended on manual transmission equipped trucks.

- Must have fire suit, pants and shirt required.

- Window net on driver side or wrist restraint is highly recommended.