(All measurements taken with car ready to race at ride height.)

Rules are subject to interpretation by the race organizer.

 

Sprint Cars

 

• General –

1. 1. Wheel base 9.5” minimum 11.5” maximum
   2. Width 10.25 maximum width
   3. Must have 4-wheel independent suspension
   4. Single speed transmission
   5. No direct drive transmission or straight axle cars
   6. No gyro or traction control
   7. 2-wheel drive and rear wheel drive only
   8. No front brakes allowed

• Cage – Sprint cars must have a scale appearing contemporary cage made out of rounded stock. The cage must be symmetrical left to right and mounted level to the chassis. Unrealistic shaped cages designed to exploit the rules below are not permitted.
  3. Maximum cage width at driver halo, down tubes, and top frame rail: 3.600".
  4. Maximum cage height 5.5" from top of chassis to top of cage at highest point. Rear “down tubes” must slant forward. All cage and body components such as cage, bumpers, nerf bars, hoods, side panels, tanks, etc. must be mounted on the centerline of the cage.
  5. Chassis may not extend outside of the side panels by more than 1/4" on either side.
• Bumpers – A flat, curved or tubular front bumper (or combination of) must be used and may not be designed to direct air or create downforce.
  1. Maximum height of front bumper is 1.75” from the bottom of the lowest point of the chassis. Scale appearing side nerf bars must be used on both sides of the car (left side of nitro sprint is optional due to clearance needed for nitro exhaust). A scale appearing rear hoop style bumper must be used. Bumpers and nerf bars must be made of rounded stock with no sharp edges.
• Tail tank – A traditional scale appearing rounded style three dimensional rear fuel cell must be used.
• Headers - Three dimensional scale appearing exhaust headers must appear on both sides of car in “engine area”.
• Side panels – Flat side panels may be made from molded or fabricated polycarbonate.
  3. Maximum height of side panels in front of the driver cockpit is 3.80” from the bottom of the chassis. Must have minimum of 3/4" high by 2.5" long openings on both sides of cage in driver compartment. Additional material may be used/added to either side of the side panel openings to replicate a scale appearing driver but may not exceed 1" x 1". (Note that the top wing mounts may cover these openings for winged classes.)
  4. Side panels may not extend beyond the rear of the cage by more than 0.25”.
  5. Side panels may not extend above or in front of the front downtubes.
  6. Side Panels may not extend into the area that is behind the rear axle AND below the top of the rear nerf bar.
  7. Scale appearing driver arm guards and engine vents may be used but cannot extend more than 3/8" from the side panels. No other flares or turnouts designed to deflect, trap and/or form a pattern for air to travel in a directed manner are permitted except for those used to cool electronics.
• Hood Area – A scale appearing hood must be used and is defined as beginning at the front axle and ending at the front of the driver cockpit. The hood must be symmetrical from left to right. The hood must be tall enough and wide enough to allow room for a scale engine intake and air cleaners (no unrealistically low or flat hoods).
  1. Minimum vertical gap from top of hood to bottom of front cage crossbar: .750".
  2. The hood may not drop below the nearest point of the side panels by more than 3/8” and may not have any channels more than 0.25” deep designed to trap or direct air.
• Nose Area – A molded or fabricated nose piece may be used and is defined from the front axle forward to the front bumper.
  3. Front bumper may not extend more than 3” from front axles. Nose piece (any Lexan) must be at least ¼” back from the leading edge of the front bumper. Maximum width of nose piece/bumper is 3.75".
  4. Maximum width of any surface designed to add downforce is 3.125”.
  5. Nose piece may not extend above the cage downtubes or an imaginary line connecting the downtubes if the cage is a split design.
     • ***Note that the hood and nose piece can be one piece or multiple pieces for the purpose of easy access to electronics and suspension but are defined as above for purposes of aero rules.

• Front wing/mounts – For front wing dimensions see appropriate wing drawing pdf. The front wing center section may not extend in front of the front bumper.
  1. Front wing mounts may be made of Lexan but may not exceed 1.75” in length and 1.75” in height and may not extend in front of or behind the center section of the wing.
• Top wing/mounts –
  5. Top wing minimum height at leading edge: 5.00" from bottom of chassis.
  6. Top Wing maximum size 7”x7”.
  7. Top wing maximum height at leading edge: 6.50" from bottom of chassis. Center section and side panels must be made from at least 3 separate pieces of polycarbonate, carbon or aluminum material.
  8. All corners and edges must be rounded and free of sharp edges.
  9. Main and Front wings must be mounted so that they are centered on cage, no offset wings.
  10. Wing center sections must have all 4 corners set at 90 degree angles, no canted or angled panels.
  11. Wings must also be mounted level from side to side.
  12. Center section of wing may not extend beyond leading or trailing edge of side panels.
  13. Side panels must have braces that hold side panel rigid at 90deg. to center section during race conditions.
      1. Two braces are required from top of the center foil to the left sideboard and one brace is permitted below the center foil to the right side board.
      2. Braces can be a maximum of .750" wide and front edge of front brace must be no more than 1.5” back from side panel leading edge.

• Side Panels may have front, back, top and bottom turnouts of no more than .375" and are included in max dimension.

1. Flat foil center sections will be allowed a .250” turndown at the leading edge.

• Visors - A scale appearing visor may be used on any wingless sprint car. The visor must be flat and follow the contour of the front downtubes.
  1. No wider than the width of the downtubes where it is attached and no longer than 1".
  2. No additional Lexan or any other material may be mounted to nerf bars, bumpers, cage, wing or any other part of the car that will trap, alter, or direct air flow for the purpose of gaining an aerodynamic advantage.
• Tires-
  1. Buggy Tires:
     2. Any rubber 2.2 buggy tire
     3. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

• No silicone capped or impregnated tires or rubber capped foam tires allowed.

• Minimum Weight
  1. 1616 grams
• Electronic Speed Control and Motor
  13. 305 Winged Sprint (Sportsman 13.5 Locked Timing)
      1. Hobbywing Justock Speed controllers # 30112003 G3S 30112005
      2. Hobbywing 13.5T Justock #30408010
  14. 360 Winged Sprint (Expert 13.5)
      1. ROAR approved ESC Blinky zero timing
      2. ROAR Approved 13.5 motor
  15. 410 Winged Sprint (Modified/Open)
      1. ROAR approved ESC
      2. ROAR approved 10.5 or below

• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.

 

Dirt Midget Rules:

• General –
  16. Maximum Overall Length: 16.750". Maximum Chassis width: 4.2"  Maximum of 4 shocks can be used.  Solid axles are allowed.  If solid axles are used the rear axle must be square with centerline of the chassis and parallel to the front axle. 
  17. Wheelbase- Min 9.” Max 10.0”
  18. Width- Min 8.5” Max 10.0”
  19. Rear Toe- Only non adjustable rear arms can be used. Trackside toe adjustable rear hubs and or arms are not allowed.  Trackside adjustable wheelbase is not allowed (can’t have toe blocks or anything else attached to an easily adjustable mechanism to allow for wheelbase change trackside).  Left rear can be toed in via toe block.  Right rear can be toed in but can NOT be toed out. 
  20. Offset- Right side of the cage can be no further offset from the outside of the RR tire than 3.625”
• Ballast Weight- Brass, tungsten or steel hubs, arms, arm inserts, caster blocks, steering arms are not allowed.  Ballast weight can be attached to the main chassis area is allowed as long as it’s secured properly. 
• Transmission – 3 gear transmissions only. No DD, 2, 4 or 5 gear transmissions will be allowed.  All gears must be full gears.  No narrowed or lightened gears allowed.  Plastic, Aluminum and Steel gears are permitted.  Steel outdrives only.  Blades are permitted.   No gear diffs allowed.   No rear motor cars allowed unless you can do it in a manner that the tail tank is appropriately sized and located. 
• Solid Axle Option- If a solid rear axle design is used it, the motor must be mounted to the chassis and cva/cvd must be used to drive the rear axle.  No belts or chains will be allowed.  A spur gear and pinion must be used in conjunction with the motor plate mounted to the chassis. 
• CVA/CVD- Dog bones must be equal length. Axles and bones must be made from steel.  No aluminum, titanium or magnesium axles or bones allowed.  
• Cage – Must have a scale appearing contemporary cage made out of rounded stock. The cage must be symmetrical left to right and mounted level to the chassis. Unrealistic shaped cages designed to exploit the rules below are not permitted. Maximum cage width at driver halo, down tubes, and top frame rail: 3.600". Minimum cage height is 6.00” while maximum cage height 6.25" from top of chassis to top of cage at highest point. Rear “down tubes” must slant forward. All cage and body components such as cage, bumpers, nerf bars, hoods, side panels, tanks, etc. must be mounted on the centerline of the cage. Chassis may not extend outside of the side panels by more than 1/4" on either side.
• Bumpers – A tubular front bumper must be used and may not be designed to direct air or create downforce. Maximum height of front bumper is 1.5” from the bottom of the lowest point of the chassis. Scale appearing side nerf bars must be used on both sides of the car. A scale appearing rear hoop style bumper must be used. Bumpers and nerf bars must be made of rounded stock with no sharp edges.
• Tail tank – A traditional scale appearing rounded style three dimensional rear fuel cell must be used. A rectangle (Swindell) style rear tank is allowed but must have a proper style rear bumper to go with it.  You can not simply have a flat tail section with no bumper.
• Headers - Three dimensional scale appearing headers must be used on the left side of car in “engine area”. Material must be plastic or aluminum.  Not allowed to make inserts for these to add ballast weight.
• Side panels – Flat side panels may be made from molded or fabricated polycarbonate. Maximum height of side panels in front of the driver cockpit is 4.50” from the bottom of the chassis. Must have minimum of 1/2" high by 2.5" long openings on both sides of cage in driver compartment. Additional material may be used/added to either side of the side panel openings to replicate a scale appearing driver but may not exceed 1" x 1". Side panels may not extend beyond the cage by more than 0.25”. Side Panels may not extend into the area that is behind the rear axle AND below the top of the rear nerf bar. Scale appearing driver arm guards and engine vents may be used but cannot extend more than 3/8" from the side panels. No other flares or turnouts designed to deflect, trap and/or form a pattern for air to travel in a directed manner are permitted except for those used to cool electronics.
• Hood – A scale appearing hood must be used and is defined as beginning at the point where torsion tubes or cross brace would be on a 1:1 car behind the front bumper. The hood must be tall enough and wide enough to allow room for a scale engine intake and air cleaners (no unrealistically low or flat hoods). Minimum vertical gap from top of hood to bottom of front cage crossbar.
• Nose Area – No molded or fabricated nose piece may be used and is defined from the torsion tube or cross brace would be on a 1:1 car. You are not allowed to have anything below that point that is on the same plane as the hood.  No scoops or bodywork allowed in this area.  You can have side panels along the front of the cage but they are not allowed to stick past the cage sides.
• Extra Panels – No molded or fabricated scoops, wings, or extra panels can be added to the car to create downforce. The panel in the cockpit area that is used on full size cars at the Chili Bowl is not legal. 
• Electronic Speed Controller and Motor
  1. Hobbywing Justock Speed controllers # 30112003  G3S 30112005
  2. Hobbywing 13.5T Justock #30408010
• Battery -
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.
• Tires –
  1. Front: JConcept Smoothies 2, JCO4018-06
  2. Rear: JConcepts Smoothie 2, JCO4017-06

 

Late Models

• Bodies
  1. Any DODC approved body
  2. Molded portion of body can be no longer than 22”.
  3. Late Model bodies may have openings for cylinder head, fuel tank access, glow plug, engine tuning, and exhaust outlets only.
  4. An under body support may be added to brace each rear quarter panel, but must hold it in stock position, cannot be flared out.
  5. No additional wings, flaps, spoilers, wickers, vents or doohickeys will be allowed. Body may not be altered in any way from its stock configuration ie: shortened, lengthened, narrowed, flared fenders etc.
  6. Front and rear windows may be removed at trim lines but a flat Lexan or similar material deck must be added in cockpit area.
  7. Bodies with add on roofs may leave front and rear windows in or out but roofs must be mounted in stock position.
  8. All four wheel wells must be cut out to appropriate scale dimensions.
  9. Rear Spoiler
     2. Maximum chord from body deck including any wickerbills: 2.50"
     3. Rear Spoiler End Cap: See Drawing

• Maximum rear deck height from bottom of chassis is 4.0"

• Tires-
  1. Buggy Tires:
     2. Any rubber 2.2 buggy tire
     3. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

• No silicone capped or impregnated tires or rubber capped foam tires allowed.

• Minimum Weight
  1. 1616 grams
• Electronic Speed Control and Motor
  1. Modified/Open
     1. ROAR approved ESC
     2. ROAR approved 10.5 or below

• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.

 

Mid-West Modified

• Basic Measurements
  9. Width: Min 9.25” / Max 10.50” (body must cover at least 7/8ths of both rear tires.)
  10. Length: Min 21” / Max 23” (measured at extreme ends of car)
  11. Front bumper must be mounted flat and cannot be angled up to act as a wing.
  12. Side windows must remain clear and can be cut out provided the cutout is flush with the center panel deck and a false cage or roof support is used to maintain the rigidity of the roof panel. Windows must also be the same on both sides.
  13. False Roll Cages must be mounted parallel with the side panels, cannot be thicker than .250, and may not be used to alter air flow in any way. False Roll Cages must be void of material in areas that do not mimic frame tubing, driver’s seat or helmet.
  14. Any bracing or supports used for the side panels or quarter panels must be a maximum of .750” wide and not be used to direct airflow.
  15. Additional wings, flaps, wickers, spoilers or other aero devices used to direct air are prohibited unless specified in these rules.
  16. Rear wheel openings must be to a minimum diameter of appropriate tire (3.25” for buggy tires) measured from the ground.
  17. Fabricated Bodies: Center panel, Hood, and Noses must be made from 0.030” thick polycarbonate material. Side Panels, Doors, Windows, Roof, can be made from minimum 0.020” thick polycarbonate material (measurements do not include any decal or wrap.)
  18. All Vacuum Formed body panels must be pulled from minimum 0.030” thick polycarbonate material.
  19. Bodies
      1. Center Panel (main inner center section panel)
         • Max Center Panel Width: 10.25” (measured as panel surface area inside the side panel mounting tabs.)
         • Must be the same width front and back.
         • Center Panel cannot extend past the side panels and must be flush with the back of the rear quarter panels.
         • Entire center panel must be flat (on one plane) from spoiler base to front edge of panel, terminating with a max .375” radius turn down or roll down featuring a minimum .500 lip (firewall) at a 90°°angle to the center panel.
         • Must be mounted parallel to bottom of chassis with maximum rake of .500” difference from leading edge of panel (before bend down) to trailing edge at spoiler base (measured from bottom of chassis).
         • No rear wheel cutouts are allowed on the horizontal plane of the center panel.
      2. Roof
         • Length: Min 4.5” / Max 6.5” Width: Min 6.0” / Max 7.5”
         • Roof Location: Min 2.5” / Max 3.5”
         • Front & Rear edges of roof must have bend down of Min .125” / Max .250” between 45° and 90° (no roof spoilers).
         • Clearance between center panel and top of roof: Min 1.50" / Max 2.25”
         • Max rake of .500" difference from leading edge to trailing edge measured from the center panel to top of roof panel.
         • Roof must be mounted square to the side panels.
         • Roof panel must be 90° at all (4) corners.
         • Roof panel cannot be dished.
         • Support fins, ribs, or any ridges may not extend higher than .125” over the plane of the roof panel.
         • Top of "A" pillar must terminate at front edge of roof.
         • Bottom of "A" pillar must terminate at the front edge of the side panel/door with a max height of .250” from top of side panel.

• Sail Panels
  • Sail panels cannot extend higher than the roof line or contain any sort of wicker or flaps, and must be the same shape and configuration on both sides
  • Sail panels must curve or angle down starting at no more than 1” behind the rear edge of the roof and end at a point no further back than .750” past the rear deck with a max height of 1.5” angled forward to meet at the corner of the deck.
  • Sail panels cannot end any further forward than 2” from the rear deck.
  • Sail panels can be bowed out, but cannot bow out past the plane of the side panels at large.
  • Sail panels can be cut out provided:
    • it does not affect the minimum range of the Side Panel template,
    • all remaining pillars and sail borders are a minimum .500"
    • normal rigid integrity of the roof and body is maintained thru inner supports and/or a false roll cage,
    • cut-out does not go below center panel deck.

1. Side Panels
   • Length: Min 12" / Max 14" (Measured at all points of the panel)
   • Height: Min 3” / Max 3.5” (Measured at all point of the panel)
   • Both sides must be symmetrical in length and mounting location (cannot be offset from each other).
   • Top of side panels must be flush to the plane of the center panel.
   • Leading edge of side panel can be angled back from the bottom to the pillar, but must be a straight edge. (no wheel cut outs)
   • Minimum distance between leading edge of side panel and back edge of front tire: .750” (measured with tire pointed forward and car sitting at resting ride height using a .750” block set down between the tire and panel as a no-go gauge)
   • Minimum distance from the center of the front axle back to the rear of the quarter panel: 15.75”. (** = be sure to leave room for front wheelbase and kick-up adjustments as well as different tire sizes for the min .750” gap)
   • Side panels can be flat or convex in shape (bowed out) as long as they fit within the overall max width, but cannot be concave in shape. “Step outs” at the bottom of panel are ok.
   • Side panels as well as rear quarter panels cannot be tucked under center deck panel.
2. Hood
   • Hood Length: Min 3" / Max 4.75" (Measured from the firewall to the point where the nose and hood meet)
   • Front of hood must be the same width as the Nose Panel. The hood must be flat and can taper out to the firewall but cannot cover front tires or exceed the width of the main deck panel. Max rake of .250" difference from leading edge to trailing edge measured from the bottom of the chassis.
   • The “engine area” of the hood cannot be enclosed. A max hood side panel of .750” is allowed, but cannot extend above the plane of the hood panel.
3. Nose
   • Nose Panel Width: Min 4" / Max 5.50" (Measured as panel surface area inside the end plates)
   • Nose Panel Length: Min 4" / Max 5.50" (Does not include a max allowable .500” mounting tab)
   • Nose panel must not be concave (dished) in shape or contain any ribs, wickers, flaps, or openings to direct airflow.
   • Side panels of Nose must be perpendicular to the nose panel (no flares). Allowable extension of side panels above the plane of the Nose Panel is maximum .250" at every point along the plane of the nose panel. A max .250” flare is allowed at the bottom of the Nose Side Panel

• Spoiler & End Caps
  • Spoiler max length: 1.5" including a max .250” wicker. Spoiler cannot be wider than center panel.
  • No more than (2) spoiler center braces allowed. Center braces can be no larger than optional spoiler end caps.
  • End Caps cannot extend past end of Side Panel by more than .750”. (Included in the Max Length of Body)
  • End Cap Size: Length 2.75" Height 1.5". Height is area of End Cap above the rear deck
• Tires-
  1. Buggy Tires:
     2. Any rubber 2.2 buggy tire and wheel
     3. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

• No silicone capped or impregnated tires or rubber capped foam tires allowed.

• Minimum Weight
  1. 1616 grams
• Electronic Speed Control and Motor
  13. 5 class
      1. ROAR approved ESC Blinky zero timing
      2. ROAR Approved 13.5 motor
  14. Modified/Open
      1. ROAR approved ESC
      2. ROAR approved 10.5 or below

• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.

Bomber

• Chassis
  1. Must be rear motor 2wd short course chassis OEM plastic chassis (Traxxas LCG chassis allowed) (no carbon chassis)
  2. Traxxas or (manufacture specific) aluminum upgrades are allowed except for shock towers and arms
  3. RPM parts are allowed. Parts must be used as intended
  4. No adjustable rear arms
  5. Battery must be placed within the centerline of the chassis
  6. Electronics (RX/ESC/AMB) must be installed within chassis surface, no outside installation.
• Suspension
  1. Traxxas 2WD plastic shocks only (grey or black version) (fronts in front, rears in rear) Aluminum Traxxas Shock Cap Allowed.
  2. The shock’s travel may be shortened with internal shims (i.e. fuel tube or solid shims).
  3. All suspension parts (such as A-Arms) must remain in original positions it was designed for (no swapping left to right).
  4. Rear camber links must remain in original height position (upper hole on shock tower not allowed.
• Electronics
  17. Traxxas Titan 550 12T Brushed Motor (TRA3785), ROAR Legal 17.5 sensored brushless motor.
  18. Traxxas XL-5, Hobbywing Quicrun 1060 ESC allowed for brushed motors, Any ROAR approved brushless ESC in Blinky.
  19. Traxxas BL-2S (TRA3382)
• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. 44V is the maximum charge.
• Tires
  1. Proline Hoosier G60
  2. Proline Hot Laps
  3. JConcepts Swiper
  4. DE Grooved G6T
  5. DE G6T SC
  6. Traxxas Slash designed tires
  7. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

 

Traxxas Modified/Late Model Rules

• No alterations to the chassis are allowed
• Only Traxxas option parts for the Traxxas Modifed are allowed
• Traxxas parts must be used as originally intended.
• Traxxas Modified tires only. (tires must have tread)
• Wheels must use correct offset front to rear. (2wd front wheels to front and rear to rear)
• Maximum 5200mAh 50c battery (may change plugs)Maximum 8.44 v
• Factory radio must be used.
• Servo can be either TRA2075, TRA2075X or TRA2075R
• Must use Traxxas BL2S motor and ESC
• Stock Gearing Only
• No Body modifications allowed. No body supports

You may change the following:

• Shock fluids
• Springs (must use Traxxas GTR spings)
• Differential fluids (Can not lock Diff)
• Tire inserts
• May use after market wheels designed for the slash 2wd
• May use tire sauce

 

21.5 Street Stock

• Chassis
  1. 1/10 buggy chassis
  2. No adjustable rear arms
  3. No additional weight outside of chassis
• Electronic Speed Control and Motor
  21. 5 class
      1. ROAR approved ESC Blinky zero timing
      2. ROAR Approved 21.5 motor

• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.
• Body
  1. 1 inch max Rear Wing with no side dams
  2. Must have rear bumper on body
  3. Race numbers are encouraged
• Tires
  1. Buggy Tires:
     2. Any rubber 2.2 buggy tire
     3. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

• No silicone capped or impregnated tires or rubber capped foam tires allowed.

 

10.5 Street Stock

• Chassis
  1. 1/10 buggy chassis
  2. No adjustable rear arms
  3. No additional weight outside of chassis
• Electronic Speed Control and Motor
  1. ROAR approved ESC in blinky
  2. ROAR Approved 10.5 motor
• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.
• Body
  1. 1 inch max Rear Wing with no side dams
  2. Must have rear bumper on body
  3. Race numbers are encouraged
• Tires
  1. Buggy Tires:
     2. Any rubber 2.2 buggy tire
     3. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

• No silicone capped or impregnated tires or rubber capped foam tires allowed.

 

SC B-Mod

• Chassis
  1. 1/10 2wd SC chassis (no carbon chassis)
  2. No adjustable rear arms
• Electronic Speed Control and Motor
  1. ROAR approved ESC
  2. ROAR Approved 13.5 motor
• Battery
  1. ROAR approved 2S Hard Case LiPo battery
  2. Maximum of 8.44 volts or less.
• Body
  1. 1 inch max Rear Wing with no side dams
  2. Must have rear bumper on body
  3. Race numbers are encouraged
• Tires
  1. SCT Tires:
     1. Any rubber SCT Tire allowed
     2. Any tire additives that are used must be wiped clean from the tires before any races or practice sessions.

• No silicone capped or impregnated tires or rubber capped foam tires allowed.

Losi Spec Sprint

• No alterations to the chassis are allowed (battery and electronics are in stock locations)
• All parts must be used as originally intended. (carbon chassis is not allowed)
• Maximum 5200mAh 50c battery Hard Case (may change plugs)Maximum 8.44 v (No Shorty Batteries)
• Factory radio must be used.
• Must use Stock Electronics and Motor
• No Body modifications allowed must have driver. (lexan body is not allowed)
• Stock tires or AKA Aray with Stock wheels, must have visible tread.
• You may change the following:
  1. Shock fluids
  2. Springs
  3. Differential fluids (Can not lock Diff)
  4. Gearing
  5. Ball cups and ball studs
  6. May use tire sauce