6200 National 4x4 Rules

Contact for More Information
Temple Brizendine
Phone:	804-443-1903
Email:	temple.brizendine@yahoo.com

505 Cubic inch limit with 1% allowance
After market blocks are allowed
No roller bearing style cam shafts
No Aluminum blocks or heads allowed
No belt drive timing systems allowed
Must run 4150 carb on gas
Must run 4150 style intake, unless your running stock OEM heads - like no sheet metal intakes, no one of a kind, has to be mass produced, can run a 4500 with OEM heads etc
Intake spacers will be limited to 3 inches total from base of intake to the carb
Must run standard racing gas no additives or oxygenated fuel allowed
Electric fuel pumps and regulators will be allowed
OEM heads can run vacuum pumps.
External oil pumps are not allowed.
Kick out style oil pans will be allowed
MSD boxes will be allowed.No digital or programable boxes allowed
No nitrous or nitrous accessories allowed on any part of truck
Motor must be in stock location
No hemi or Hemi style heads, no Ex 514, A460 TFS heads, or any other type of cast iron heads that does not accept a stock manufactured intake manifold without the use of spacers, shims, or wedges used to adapt manifold. No fuel injection
The motor must be naturally aspirated no tunnel ram intakes are allowed carbs are limited to 3 intake spacer (no nitrous oxide apparatuses are allowed) Hand throttles are allowed

Can run gutted beds, must leave front, back mounts and headboard, all gutted beds must have a cover. All trucks must have a street appearance. Street appearance shall be defined as: Grill, light fixtures, and body parts in their originallocation.
Truck hitches can be no shorter than 36% of trucks wheelbase and rigid in all directions
Maximum hitch height will be 24. Front pivot point of hitch can be no higher than 2 inches above frame rails
Hitch must be at least a 3 round opening horizontal to the ground
Weight frames will be allowed but may not extend any further forward than 60 from center of front axle
Rear ends may be blocked, but cannot be welded soild must be some movement. Must at least have one leaf spring on back rear
No powertrain parts over 1 ton allowed
Must have factory glass in all windows
Must have shields on all U-joints
No fuel cells or batteries allowed outside of truck body
Racing seats will be allowed
Hydraulic steering will be allowed but must run through a factory steering box
No fiberglass body parts with the exception of a hood scoop
All trucks must have a full size body with 6 or 8 ft bed (no S-10 or Ranger bodies)
Must have working backup light that is actuated when put in reverse
No centrifugal slipper clutch allowed

Exhaust must run through pipes at least 1 foot behind cab. Mufflers are not required
Pipe diameter can be no greater than 4 inches

Test puller MUST return to 6^th place if they decide to drop their pull
If sled is reset you can come back in the last position
If any issues arise during the season the rule committee will meet and make final decision
Must be a Dragon Motor Sports member to receive points
If caught cheating, will go before rule committee with penalty up to one year suspension