---4x4 MUD BOG RULES---
----------- HELMETS REQUIRED IN ALL CLASSES ----------

CLASS 1 – ATV 2 Wheel Drive

A. Factory Frame, Factory motor (original)
B. NO paddle tires – NO exotic fuels

CLASS 2 – ATV 4 X 4

A. Original manufactures motor & frame
B. NO paddle tires

CLASS 3 – Open M/C

A. Run what you brung.

CLASS 3 – 4 & 6 Cylinders

A. Current license and registration required – Must be street legal
B. TIRES: Max 35” D.O.T. approved – NO boggers – NO cutting
C. No gutting of interior or exterior
D. Original manufacturers motor for frame
E. No fuel cells
F. No trans brakes
G. Must run mufflers
H. Trucks with open top must have 4 point roll bars & 4 point harness

CLASS 4 – Factory Stock

A. Current license and registration required – Must be street legal B. TIRES: Max 35” and under D.O.T. approved – NO boggers – NO barred or cut tires
C. ENGINE: Must pull 18” of vacuum @ 800 RPM
     Stock intake and exhaust manifolds required
     Unleaded pump gas allowed – NO racing fuel
     Mufflers required – Must exit outside body.
D. BODY & FRAME: NO gutting of interior or body
     Original manufacturer frame and matching body
     Stock style shifter required – NO ratcheting shifters
     NO fuel cells
     NO trans brakes
     Stock seats
     4” body or suspension lift allowed

CLASS 5 – Street Stock

A. Current license and registration required – Must be street legal
B. TIRES: Any size D.O.T. approved – NO boggers – NO barred or cut tires
C. ENGINE: Headers Allowed – Factory block & Heads
     Racing fuel or pump gas only – NO additives or exotic fuel
     Mufflers required – Must exit outside body or behind front of rear tires
     Single carburetor – NO predators – NO dominators – NO king demons
     Aluminum duel plane manifolds allowed - NO single plane manifolds
     Super coils allowed
D. BODY &FRAME: Full stock body matching full stock frame
     Full stock box or functional flat bed
     Stock drive train for body and frame
     Functional bumper required
     NO fiberglass replacement parts
     Full interior: including bench or 2 bucket seats – dash pad – door panels - windows – cranks – heater/defroster
     controls must be present
     Windshield wipers and working lights
     Stock style or ratcheting shifters allowed
     Radiator – Battery – Stock water pump & alternator required in stock location
     Open top vehicles must have roll bar
     NO fuel cells
E. SUSPENSION: Full OEM style suspension
     NO ladder/ traction bars allowed
     Lift kits allowed
     4 Wheel hydraulic brakes required

CLASS 6 – Super Stock #1

A. If factory hard top removed – vehicle must have 4-point roll bar
B. TIRES: 35” and under – No cutting – Factory size tire numbers must be visible

C. ENGINE: Single carburetor – NO after market heads or blocks – Heads must be
     OEM production – NO magnetos
     Open headers allowed – must exit under vehicle
     MSD or other after market ignition allowed
     Racing fuel or pump gas only – NO nitrous hard parts
     Motor swaps allowed – but brands of engine & truck must be the same
     Radiator – stock water pump & alternator required in stock location
     Battery relocation allowed must be securely mounted in battery box & all wiring must be secured & protected
D. BODY & FRAME: Stock body – Full stock frame – i.e. full size body on full size frame
E.Body swaps allowed ie. Camaro on Blaser, Bronco on Chevy, No body or frame alterations other than to accept body & fram mounts. No narrowing or shortening of frame or body. No missing body parts.     

 Must match manufacturer & production size
     Body and box must remain in tack – interior gutting allowed
     Functional flat beds allowed – Must be within 2” of width of cab
     Must be full length of unmodified frame – NO Plywood
     If factory hardtop removed or open top – vehicle must have 4-point roll bar
     Fuel cells allowed
F. SUSPENSION: Full OEM style suspension – Lift kits allowed
     Ladder/traction bars allowed
     4 Wheel hydraulic brakes required

CLASS 7 – Super Stock #2

Rules are the same as Class 6 except tire size.
A. TIRES: Any Size–Must be D.O.T. Approved No barred or cut tires.

CLASS 8 – Pro Stock

A. TIRES: Any Size–Must be D.O.T. Approved– NO cutting
B. ENGINE: Any internal engine modifications allowed
     Aluminum heads or blocks allowed
     No fuel restrictions
     Tunnel ram manifolds – Multiple carburetors allowed
     NO vacuum requirements
     Any ignition – Engine swaps allowed
     Any exhaust allowed

CLASS 9 – Pro Open

A. TIRES: Any size allowed
B. ENGINE: No regulations – “Run what ya brung” - Open fuel
C. BODY & FRAME: Body swaps allowed – Any frame (including tube) & body
     (including fiberglass) combinations
     Removal of gas allowed
     Fuel cells & tank relocation allowed
     Minimum 4-point roll cage -.090 thick nesses – Secured to frame
     Gutting allowed
     Required if vehicle gutted, any structural component removed or cab back is open – i.e. Blazer/Bronco
     Open top vehicles require 6-point cage
     Maximum 150” wheelbase
D. SUSPENSION: Any modifications allowed
E. ALL SAFETY FEATURES REQUIRED