4 & 6 Cylinder Stock Class

• Anything that is factory built stock, full stock body, stock running gear, or any combination of stock components, must be located in stock location.
• Body lifts allowed for tire clearance.
• Box must have steel construction, including headboard and floor. Made and removed as one unit. Must have exterior OEM panels or replacement OEM panels.
• May run open exhaust.
• No aluminium carburetor intakes except for OEM fuel injections systems.
• Factory OEM aluminium heads may be used in conjunction with factory OEM fuel injection.
• Shocks must be OEM mounted.
• No after market add ons except carburetors and headers (ex: no fuel pumps or ignitions).
• Street DOT tires, no cut tires.
• Quick steer is allowed.

Stock Class (8 cylinder)

• Anything that is factory built stock, full body stock, stock running gear, or any combination of stock components, must be located in stock location.
• Body lifts are allowed for tire clearance.
• Box must have all steel construction, including headboard and floor. Made and removed as one unit. Must have exterior OEM panels or replacement OEM panels or replacement OEM panels.
• May run open exhaust.
• No aluminium carburetor intakes except for OEM fuel injections systems.
• 1/4" capped intake manifold vacuum test outlet must be provided.
• Must have a minimum of 15 inches of vacuum at 800 RPMS.
• Factory OEM aluminium heads may be used in conjunction with factory OEM fuel injection.
• Shocks must be OEM mounted.
• No aftermarket add ons except carburetors, ignition boxes for carbureted engines only and headers. (ex: no fuel pumps).
• Street DOT tires, no cut tires.
• All Diesel engines are permitted.
• Quick steer is allowed.
• Must have wheel openings due to discretion of tech guys.

4 & 6 Cylinder Prolite Class (combined)

• Full stock body or fully caged.
• No nitrous or superchargers, induction systems or boosters.
• 4 Cylinder trucks will be allowed 1 enhancement only.
• May run open exhaust.
• DOT cut tires allowed.
• Quick steer is allowed.
• Must have a drive shaft loop on all drive shafts.

Super Stock Class

• Anything that is factory built stock, full stock body, stock running gear, or any combination of stock components.
• Bodies must meet stock criteria.
• May run open exhaust.
• Big blocks and enhanced engines, but no blowers or nitrous.
• Street DOT tires, no cut tires.
• Upright headers and 2-4 barrel carburetor combinations are allowed.
• Quick steer is allowed.
• Must have a drive shaft loop on all drive shafts.

Prostock Class

• No nitrous or blowers.
• DOT cut tires allowed.
• Window nets must be removable and must have grab handles for navigator.
• Scatter shield, blanket, steel bell housing or flex plate shield, must cover bell-housing area and have SFI specs, not home made.
• Must have a full roll cage.
• Upright headers and 2 - 4 barrel carburetor combinations are allowed.
• Harness must be worn, with a minimum of 4 - point harness.
• Quick steer is allowed.
• Must have a drive shaft loop on all drive shafts.

Modified Class

• Anything goes.
• Window nets must be removable and must have grab handles for the navigator.
• Scatter shield, blanket, steel bell housing or flex plate shield, must cover housing area and have SFI specs, not home made.
• Harness must be worn, with a minimum of 4-point harness.
• Must have a full roll cage.
• Quick steer is allowed.
• Must have a drive shaft loop on all drive shafts.