THE RULES AND/OR REGULATIONS SET FORTH HEREIN ARE DESIGNED TO PROVIDE FOR THE ORDERLY CONDUCT OF RACING EVENTS AND TO ESTABLISH MINIMUM ACCEPTABLE REQUIREMENTS FOR SUCH EVENTS. THESE RULES SHALL GOVERN THE CONDITION OF SPEEDWAY EVENTS AND, BY PARTICIPATING IN THESE EVENTS, ALL RACEWAY COMPETITORS ARE DEEMED TO HAVE COMPLIED WITH THESE RULES. NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATION OF, OR COMPLIANCE WITH THESE RULES AND REGULATIONS. THEY ARE INTENDED AS A GUIDE FOR THE CONDUCT OF THE SPORT AND IN NO WAY ARE A GUARANTEE AGAINST INJURY OR DEATH TO PARTICIPANTS, SPECTATORS OR OTHERS.

The United States Racing Association shall hereafter be simply referred to as the USRA throughout the rules description. USRA official(s) shall include all personnel employed as an official by participating racetrack.

TABLE OF CONTENTS
Article 1: Definitions
Article 2: General Rules
Article 3: Points System
Article 4: Body
Article 5: Roll Cages
Article 6: Frame
Article 7: Cockpit
Article 8: Suspension
Article 9: Electrical System
Article 10: Fuel System
Article 11: Tires & Wheels
Article 12: Braking System
Article 13: Drive Shaft
Article 14: Transmission
Article 15: Rear End
Article 16: Engine
Article 17: Weight
Article 18: Safety
Article 19: Claiming Procedures
Amendments

ARTICLE 1: DEFINITIONS
1.1   Racecar: An automobile designed solely for competition on oval race tracks, controlled from within by a driver.
1.2   Automobile: A vehicle which carries its own motor and operates on four non-aligned complete wheels, of which two are used for steering and two for propulsion.
1.3   Vehicle: A man-made locomotive device propelled by constantly taking real support on the earth's surface whereas the propulsion and steering are under the control of a driver aboard the vehicle.
1.4   Driver: The person controlling the operation of the racecar. The driver is expected to understand how to operate the mechanisms which control the speed, direction and braking of the racecar.
1.5   Participant: A person directly involved in the mechanical operation and/or management of a racecar, including, but not limited to, drivers, crew members, racecar owners, sponsors and their family members.
1.6   Event: A USRA-sanctioned competition between two or more USRA-licensed drivers and their racecars. An event shall consist of practice (hot laps) and actual racing contests.
1.7   Official: An official shall be any person participating in the exercise of authority for enforcing or interpreting these rules. The official may also make judgments concerning the conduct of participants and declare penalties for breaches of these rules, as well as perform technical inspections on any USRA racecar. The combination of officials may vary from week to week and from one racetrack to another.
1.8   Promoter: An entrepreneur who oversees the operations of the racetrack, either as a tenant or owner of the facility. Furthermore, the promoter is the person responsible for the implementation of rules, hiring staff and financial compensation to participants.
1.9   Cockpit: The volume of the racecar which accommodates the driver.

ARTICLE 2: GENERAL RULES
2.1   USRA rules shall apply at all events. All participants are subject to the rules of the USRA and are expected to know the rules. An expressed ignorance of USRA rules by any participant will not be recognized as a valid argument for failure to comply with USRA rules.
2.2   Approval of any racecar by an official shall mean that the racecar is approved for participation in the event and shall not be construed in any way to mean that the inspected vehicle is guaranteed to be mechanically sound or safe. Be it further declared that officials and/or the USRA shall not be liable for any mechanical failure, nor for any losses, injuries or death resulting from the same.
2.3   Conduct:
2.3.1   Participants will conduct themselves as professionals. Any unsportsmanlike conduct by a participant shall be grounds for disqualification and/or punitive action by the USRA. This will be strictly enforced.
2.3.2   Drivers are responsible for the conduct and actions of their car owners, crew members, sponsors and family members.
2.3.3   Absolutely no alcoholic beverage or other illegal chemical substance may be consumed by a driver prior to, or during, an event. The duration of the event shall also include all support class events run as a part of the overall program. The use, sale or distribution of illegal drugs at any time shall be cause for immediate and indefinite suspension.
2.3.4   Any participant who defies or violates the intent or spirit of the USRA rules shall be considered to have engaged in unsportsmanlike conduct and shall be dealt with accordingly and swiftly by the USRA.
2.4   All drivers must be at least fourteen (14) years of age (proof of age required). Drivers under eighteen (18) years of age are required to have a signed and notarized Parental Consent Form. The Parental Consent Form must be signed by a parent or legal guardian, and must be received by USRA headquarters prior to participation of the driver in any event.
2.5   The USRA may require any driver to undergo a physical examination by a licensed health care provider prior to being allowed to participate in any event.
2.6   Drivers must properly display approved USRA sponsor decals in order to participate in any points fund or contingency award program related to that sponsor. The decals must be displayed on both sides of the racecar and must be of the original size and design distributed by the USRA. Furthermore, drivers must properly display the approved USRA logo decal and/or USRA Weekly Racing Series decal in order to participate in any points fund or contingency award program.
2.7   No equipment or racecar will be considered as having been approved by reason of having passed through inspection unobserved.
2.8   All racecars must be able to join the race lineup on demand and unassisted, or must go to the rear of the lineup for the start of the race.
2.9   The USRA reserves the right to add to, delete, supersede or modify any rule, exhibit or drawing that the USRA deems necessary for the conduct of events and/or safety of participants. All amendments are effective on the date of publication by the USRA regardless of when a person subject to the rules receives actual notice of the amendment.
2.10   Every driver must inspect the racing surface and the track area to learn of any obstructions or other defects which, in the driver’s opinion, presents an unsafe condition for competition. The driver shall report any unsafe condition in writing to an official. Any driver that competes in an event is considered to have inspected the track surface and surrounding perimeter to determine that all conditions are satisfactory. If the driver does not feel that the conditions are satisfactory, the driver should not compete in the event. The driver further acknowledges that he or she is aware that auto racing involves risk, and that by competing in an event, the driver assumes these risks with full awareness and responsibility.
2.11   All drivers are responsible for registering their racecar for each event in order to ensure their respective starting position in each event.
2.12   The USRA and/or promoter reserve the right to refuse to accept the entry of any racecar or participant. Furthermore, the USRA and/or promoter reserves the right to revoke or cancel any entry, or any participant’s claimed right to be on the racetrack’s premises, if it is determined that a participant’s presence or conduct is not in the best interest of the sport of auto racing, other participants, spectators, track management and/or employees of the USRA.
2.13   Lighted signaling devices, hand signals or any other equipment or methods used for communication during an event between a non-competing participant and a driver is not allowed.
2.14   Radios and any other devices used for transmitting or listening are not allowed on the racecar. Exception: Officials may require drivers to utilize a one-way radio to enable audio communication from officials to drivers. Furthermore, racecars may be fitted with a timing transponder as supplied by officials.
2.15   No computers allowed on the racecar, including, but not limited to, electronic traction control devices. Any driver found to be using traction control will be subject to a minimum fine of $5,000 and a lifetime suspension from all events.
2.16   Each driver must have a valid USRA license to compete in any event. Drivers may purchase a temporary license at a cost of $50, which entitles the driver to compete in a maximum of three (3) events. A driver will only receive 70% of points fund monies if he/she fails to appear at USRA national or track banquets.
2.17   Technical Inspections:
2.17.1   For all USRA-sanctioned classes at all events, either the top four (4) finishers in the main event OR the top three (3) finishers in the main event and one (1) randomly selected racecar will be required to report to a designated tech area following the main event, where mandatory and varied post-race technical inspections will be required to take place.
2.17.2   Each racetrack is required to have a USRA-certified technical inspector at each event.
2.17.3   At the discretion of the official(s) overseeing an event, any participant may be disqualified by the official(s) for violation of any USRA rule and/or equipment or action(s) deemed to be hazardous to other participants or officials.
2.17.4   All racecars are subject to inspection by an official at any time. Any driver whom refuses to allow any inspection by an official, or terminates an inspection in progress, shall be subject to a fine of two thousand dollars ($2,000), suspension from all USRA events for fourteen (14) days, loss of all points (national and track) earned to-date for the current season and forfeiture of all cash and/or awards earned at the event.
2.17.5   Any illegal part discovered through inspection shall be confiscated by an official and forfeited by the driver. For first infraction, driver discovered to be using illegal parts of any kind shall be subject to a fine of two-thousand dollars ($2,000), suspension from all USRA events for fourteen (14) days, loss of all points (national and track) earned to-date for the current season and forfeiture of all cash and/or awards earned at the event. For second infraction, driver discovered to be using illegal parts of any kind shall be subject to a fine of five-thousand dollars ($5,000), suspension from all USRA events for one (1) year, loss of all points (national and track) earned to-date for the current season and forfeiture of all cash and/or awards earned at the event. Confiscated parts will be sent to manufacturer for inspection. Failure by the driver to surrender any illegal part for confiscation shall result in a separate penalty, in addition to other applicable penalties under this rule.
2.17.6   The overall weight of the racecar shall be measured at the conclusion of an event with the driver in the cockpit, wearing complete racing apparel.
2.17.7   All measurements must be made while the racecar is stationary on a flat horizontal surface.
2.18   Decisions of the USRA are final and binding without exception.
2.19   These rules have been set by the USRA and are subject to change without notice. All promoters will be informed of any changes to these rules after the date of publication, and those changes should be made available to drivers at their racetrack and/or announced at drivers meeting. The USRA will also publish any amendments to these rules on the USRA website at www.usraracing.com.

ARTICLE 3: POINTS SYSTEM
3.1   Licensed drivers competing in a USRA-sanctioned event are eligible to receive USRA national points and track points at the racetrack where the points were earned for that particular class.
3.2   Points will be awarded to drivers competing in USRA-sanctioned events held from March 1, 2007, through Sept. 30, 2007.
3.3   Points will only be awarded for events held and officially reported to the USRA by a USRA-sanctioned racetrack or series.
3.4   Points will be awarded to each driver in the main event as follows: 1st - 200 points, 2nd - 190 points, 3rd - 182 points, 4th - 174 points, 5th - 168 points, 6th - 162 points, 7th - 156 points, 8th - 152 points, 9th - 148 points, 10th - 144 points, 11th - 140 points, 12th - 136 points, 13th - 132 points, 14th - 128 points, 15th - 124 points, 16th - 120 points, 17th - 116 points, 18th - 112 points, 19th - 110 points, 20th - 108 points, 21st - 106 points, 22nd - 104 points, 23rd - 102 points. All other drivers that start the main event and finish below 23rd are awarded 100 points. All drivers that fail to qualify for the main event are awarded 75 points.
3.5   Bonus Points:
3.5.1   Bonus points are awarded toward national points only. Bonus points are not awarded toward track points.
3.5.2   Passing Points: One (1) bonus point is awarded to each driver in the main event for each racecar passed from the original starting spot. For instance, if a driver starts 18th and finishes 11th, that driver will earn an additional seven (7) bonus points. Provisional starters will not earn any Passing Points.
3.5.3   Competition Points: For each driver competing in a particular class on a given race night, bonus points equivalent to the total number of drivers will be awarded to every driver in that class. For instance, if there are 12 drivers on a given night, each driver in that class earns an additional 12 bonus points for that race night. There will be a maximum of 24 Competition Points awarded to ay one driver on any given race night.
3.6   A driver’s best twenty (20) points nights from March 1, 2007, to Sept. 30, 2007, will apply toward national points. At the discretion of the promoter, track points may include all USRA-sanctioned events at that track for the 2007 calendar year.
3.7   To be eligible for national or track points funds, cash awards and/or contingency awards, a driver must possess a valid USRA license. Furthermore, the driver must have competed in a minimum of 50% of the events (minimum of 8 events with a minimum of 4 starts) held at any one of the sanctioned racetracks or sanctioned touring series at which that driver earned points.

ARTICLE 4: BODY
4.1   Must be mounted in a similar manner to stock appearing and acceptable to officials.
4.2   Nose Piece:
4.2.1   Aftermarket production manufactured nose pieces must be mounted in an approved and safe manner.
4.2.2   Front and sides may not be cut or altered.
4.2.3   Sides may be mounted no lower than four (4) inches from the ground and must be parallel to the ground.
4.2.4   Officials must approve any bars ahead of the nose piece.
4.3   Roof:
4.3.1   May be constructed of fiberglass or aluminum, but must meet specifications as set forth in the rules and must be approved by officials.
4.3.2   Panels must have front mounting posts and rear panels.
4.3.3   Front posts will be required to be a minimum of one (1) inch wide and a maximum of two (2) inches wide.
4.3.4   Left and right side will be required to go to the outer rear corner of the front fenders.
4.3.5   Rear panels must be mounted in a proper manner.
4.3.6   Rear panels must extend out to the quarter panels.
4.3.7   Left and right side rear panels must be the same length and of the same design.
4.4   Car or opening covers are permitted only in case of inclement weather.
4.5   Spoiler:
4.5.1   Competing makes and models will be permitted to use a one-piece solid rear spoiler with a maximum height of eight (8) inches and a maximum width of seventy-two (72) inches.
4.5.2   Spoiler measurements will be made from the deck and will be a measurement of the entire spoiler material.
4.5.3   All competing models will be permitted to use up to three (3) spoiler braces. Spoiler braces may be eighteen (18) inches maximum at base but cannot extend past the rear roof posts. Braces may be no higher than three (3) inches at the front of the base, and can be no higher than or extend rearward past the rear spoiler. Spoiler braces may have up to a one-half (1/2) inch break.
4.6   Appearance:
4.6.1   All racecars must be numbered with large legible numbers on both sides, on top and on the nose and real panels. Numbers on the sides of the racecar should be in contrasting color from the body and be at least four (4) inches thick and at least eighteen (18) inches high. Top numbers should be at least four (4) inches thick and twenty-four (24) inches high.
4.6.2   Officials reserve the right, in the public image of the sport and/or the USRA, to assign, approve or disapprove any advertising, sponsorship or similar agreement in connection with any event. All cars must be neat appearing and are subject to approval of officials to compete. By competing in an event, all drivers agree to comply with the decisions of officials in this regard.

ARTICLE 5: ROLL CAGES
5.1   Main roll cage must be at least one and one-half (1.5) inch O.D. tubing with a minimum wall thickness of eighty-three one-hundredths (.083) of an inch.
5.2   Roll bars within the driver’s reach must be padded with an accepted material as determined by an official. Fire retardant material is highly recommended.
5.3   Installation and workmanship must be acceptable to officials.
5.4   Must be frame-mounted in at least six (6) places.
5.5   Must consist of a configuration of front and rear hoops connected by tubing on the sides or side hoops.
5.6   With helmet on and driver securely strapped into the racing seat, top of driver’s head must not protrude above the roll cage.
5.7   Must have a protective screen or bars in front window opening in front of driver’s face.
5.8   Protection of driver’s feet utilizing a bar across the back of the engine with vertical bars and rub rails or similar protection is mandatory.
5.9   Brace bars forward of roll cage may not be higher than the stock hood height.
5.10   Driver door bars must be at least one and one-half (1.5) inch O.D. tubing, minimum wall thickness of eighty-three one-hundredths (.083) of an inch.
5.11   All competing models will be required to have a vent window bar and a bar in the center of the roll cage over the driver’s head.

ARTICLE 6: FRAME
6.1   Minimum average wheelbase must be one-hundred three (103) inches (no tolerance).
6.2   Rear suspension is optional, but devices of any kind which are designed to change the wheelbase of the car while in competition are not allowed.
6.3   Control arms with springs or rubber bushings are not allowed on the rear of the car. Limiting devices are permitted on the left rear only.

ARTICLE 7: COCKPIT
7.1   Loose objects and/or weights are not allowed.
7.2   Air bags are not allowed.
7.3   Seat:
7.3.1   Factory-manufactured racing seats are mandatory, and must be acceptable to officials.
7.3.2   Homemade aluminum, plastic or fiberglass seats are not allowed.
7.3.3   Must be properly installed and seat back cannot be moved back further than rear edge of quarter post.
7.3.4   High-back aluminum seats only.
7.4   Floor and firewall must be complete in the driver’s compartment. No interior sheet metal can be higher than or enclose a standard window opening. Sheet metal in the cockpit must be horizontal from the top of the driver shaft tunnel to the right side door bars or angle from the top of the drive shaft tunnel upwards to the top of the right side door bars. Driver must be able to exit the racecar from both sides.
7.5   Mirrors are not allowed on outside of racecar. Only one mirror allowed, to be mounted in the center of the windshield, with a maximum size of three (3) inches by five (5) inches.
7.6   All racecars are required to have an approved window net in the driver’s door.
7.7   Oil reservoirs or oil coolers may not be mounted inside of cockpit.

ARTICLE 8: SUSPENSION
8.1   All front suspension must be of A-frame type.

ARTICLE 9: ELECTRICAL SYSTEM
9.1   Battery:
9.1.1   Must be securely mounted.
9.1.2   All batteries should be mounted between frame rails and ahead of fuel cell.
9.2   Ignition:
9.2.1   Crank-triggered ignitions are permitted.
9.2.2   Only approved HEI, Magneto and MSD ignition systems are permitted. MSD boxes must be out of reach of driver and accessible for technical inspection.
9.2.3   Only one (1) electronic firing module amplifier is permitted, if used.
9.2.4   Only one (1) ignition coil is permitted.
9.3   Onboard computers, micro-controllers, processors, automated electronics, recording devices, electronic memory devices, memory chips and digital readout gauges of any kind are not allowed. Digital tachometers are permitted.
9.4   Electric and/or flat-bladed fans are not allowed.

ARTICLE 10: FUEL SYSTEM
10.1   Fuel:
10.1.1   Must be automotive gasoline. No additives of any kind.
10.1.2   May not be blended with ethers or other oxygenates, and may not be blended with aniline or its derivatives, nitro compounds or other nitro containing compounds.
10.2   Electric fuel pumps are not allowed. Belt-driven fuel pumps or mechanical pumps are permitted.
10.3   Fuel Cell:
10.3.1   Must be commercially manufactured and must be mounted utilizing at least two (2) steel straps. Straps must be two (2) inches wide at all measuring points.
10.3.2   Must be enclosed in a steel container and must be protected in rear of axle by roll cage tubing mounted securely.
10.3.3   No part may be lower than protective tubing. Protective tubing must be no wider than six (6) inches on both sides.
10.3.4   Must have non-vented caps, rollover valves in return and vent lines and must pickup from top of fuel cell.
10.3.5   Limited to a maximum capacity of thirty-two (32) gallons, including fill spout.
10.3.6   All racecars must be equipped with a fuel cell guard that is mounted separate of the fuel cell and securely to the frame of the car.
10.3.7   Fuel cell guard must be made of at least one (1) inch tubing and must extend to the bottom of the fuel cell.

ARTICLE 11: TIRES & WHEELS
11.1   Wheels:
11.1.1   Steel or aluminum wheels will be permitted.
11.1.2   Maximum wheel width is fourteen (14) inches. Bead locking devices permitted on all four corners.
11.1.3   Only approved foam or disc type wheel cover will be permitted.
11.2   Tires:
11.2.1   Hoosier WRS/WRS 2 D-55 or American Racer MD 56 tires are allowed. Hoosier Spec or American Racer EC 2 will also be allowed.
11.2.2   Softening is not allowed.
11.2.3   Grooving and siping is allowed, but edges of the tread block must remain the same as the edge of the block next to it. You will only be able to create the look of a worn tire, and not something of a different tire face appearance.

ARTICLE 12: BRAKING SYSTEM
12.1   Steel or aluminum calipers are permitted.
12.2   Rotors or brake drums must be made of steel.
12.3   Ceramic or other coating on surface of rotors or brake drums is not allowed.
12.4   All brake lines must be metal. Plastic lines are not allowed.

ARTICLE 13: DRIVE SHAFT
13.1   May use steel or aluminum drive shafts and universal joints that are in a similar design to standard production. Carbon fiber drive shafts are permitted.
13.2   Must be painted white.
13.3   All cars must have a 360-degree hoop toward front of drive shaft, made of at least one-quarter (1/4) inch by two (2) inch steel strap.
13.4   It is recommended to have a drive shaft safety hoop built out of four (4) or five (5) inch diameter by six (6) inch long round tubing.

ARTICLE 14: TRANSMISSION
14.1   O.E.M. production manufactured 2- to 4-speed transmissions that are cataloged through dealer channels are permitted. Bert, Brinn or Falcon circle track transmissions are permitted.
14.2   Must have at least two (2) forward speeds and one (1) reverse speed.
14.3   Five-speed, overdrive or automatic transmissions are not allowed.
14.4   Must bolt directly to rear of bell housing, which bolts directly to rear of engine block.
14.5   High-speed multiple disc clutches are permitted.
14.6   All cars must be able to be put in and out of gear with the engine running and the car sitting still.
14.7   All competing models must be equipped with a flywheel and operable starter.

ARTICLE 15: REAR END
15.1   Quick change center sections are permitted.
15.2   Open tube rear ends are not allowed.
15.3   Cambered rear ends are not allowed.
15.4   Rear end coolers may be used, but may not be mounted in cockpit.

ARTICLE 16: ENGINE
USRA Engine Option #1
16.1   IOWA spec motor allowed with open carb at 2,200 pounds and 8-inch maximum setback (IOWA spec is defined as the engine must meet all rules for IOWA spec, intake spacer optional); Any driver following all Iowa Spec Rules will be allowed 10-inch spoiler. Must run Hoosier Spec Tire and/or American Racer EC 2. No grooving allowed. Steel blocks only, Maximum 361 c.i. (GM), 362 c.i. (Ford) 364 c.i. (Chrysler). Minimum four-inch bore. Minimum stroke: GM - 3.48 inch, Ford - 3.40 inch, Chrysler - 3.313 inch, Maximum compression - 10.5 to 1, checked at any time with Whistler. No tolerance.
USRA Engine Option #2
16.2   16.2 Steel head motor allowed with open carb at 2,300 pounds and 8-inch maximum setback; Roller cam permitted; 370 cubic inch maximum. Any motor more than 370 c.i. must weigh 2,450 pounds; Stock valve angle steel head; no raised runner heads.
USRA Engine Option #3
16.3   Open motor less than 365 c.i. with 390 carb at 2,350 pounds and 8-inch maximum setback.
USRA Engine Option #4
16.4   Open motor over 365 c.i. with 390 carb at 2,400 pounds and 6-inch maximum setback (open motor is defined as built with unrestricted compression and/or head and intake porting).
USRA Engine Option #5
16.5   USRA/SPI Spec Head 364 c.i. maximum. Only approved Brodix heads Chevy # SPCH USRA/SPI, Ford # SPFO USRA/SPI, Dodge # SPMO USRA/SPI, as cast must fit templates. Any carburetor, 8-inch spoiler, 2,300 pounds and 8-inch maximum setback.
16.5.1   Roller cams are permitted.
16.5.2   Removing, relocating, grinding, polishing or defacing of any cast letters or numbers is strictly forbidden.
16.5.3   May be angle milled, but valve angle must remain within one (1) degree of original manufactured specification.
16.5.4   Valve guides must retain original angle and spacing as manufactured. Valve guides may not be tapered, thinned or shortened whatsoever.
16.5.5   Absolutely no welding or adding material of any kind.
16.5.6   Removal of material is not allowed, except for pushrod clearance. Factory CNC chamber may not be altered in any way.
16.5.7   Absolutely no enlarging, relocating or other altering of any bolt hole, dowel hole or threaded hole, except to spot face bolt holes after angle milling.
16.5.8   Heli coils may be used for repairs.
16.5.9   Absolutely no grinding or polishing of any kind anywhere on the casting, except for pushrod clearance.
16.5.10   Internally repaired Brodix Aluminum Spec Head must be recertified by Brodix.
16.5.11   Brodix Aluminum Spec Head checking fixtures will be used by officials to check all specifications and dimensions.
16.6   390 carbs must pass NASCAR gauges to be legal.
16.7   All motor setback is to be measured from the centerline of upper ball joints to center of #1 spark plug.
16.8   Gasoline is the only allowable fuel and must be contained in a maximum 32-gallon fuel cell with approved metal canister and mounting framework.
16.9   Dry sump is legal for all engine combinations.
16.10   Any engine utilizing an aluminum block must add 50# in front of the motor plate. This weight is included in the total for the chosen engine combination and is not in addition to the weight limits listed above.

ARTICLE 17: WEIGHT
17.1   The minimum overall weight for racecars will be determined by engine combinations as specified in Article 16.
17.2   Ballast:
17.2.1   May not be mounted in cockpit, or outside of body or hood area.
17.2.2   Must be in block form, securely mounted, painted white and clearly marked with the car number.
17.2.3   Must be attached with at least two (2) one-half (1/2) inch bolts. No weights over fifty (50) pounds are permitted.
17.2.4   May not be attached to rear bumper. Stacking of weights is not allowed.

ARTICLE 18: SAFETY
18.1   It is recommended that each racecar have built-in fire extinguishing equipment, but cannot be of the dry powder type (must be Halon 1211 or equivalent).
18.2   Drivers should have in their pit area as part of their equipment, at all times, a fully charged dry chemical, Halon (or its equivalent) fire extinguisher. Ten (10) or thirteen (13) pound fire extinguishers are highly recommended.
18.3   Driver must wear required helmet, fire suit and five-point safety harness whenever the racecar is on the racetrack. This includes during track packing, warm ups, hot laps and races.
18.4   Helmets are mandatory and must be an approved SHCA or Snell-type full coverage.
18.5   Helmets should accompany driver and racecar at time of inspection.
18.6   Helmets of at least Snell SA2000 or SA2005 rating are mandatory.
18.7   Complete one- or two-piece fire suits of a flame retardant nature must be worn by all drivers at all times when the racecar is on the racetrack. This includes during track packing, warm ups, hot laps and races.
18.8   Fire-resistant gloves are mandatory. Fire-resistant shoes are highly recommended.
18.9   Five-point safety belts, sub-belt and shoulder harness is required. Factory-type shoulder belts or straps are not allowed.
18.10   Metal to metal buckles are required on shoulder and seat belts.
18.11   Shoulder harness must be mounted securely to the roll cage. It is recommended that seat belts and shoulder harnesses not to be more than one (1) year old.
18.12   Where the belt passes through the seat edges, it must have a grommet installed, be rolled and/or padded to prevent cutting of the belt.
18.13   Full-size window net mounted in the left side driver’s window opening and/or approved racing arm restraints are required. Window net mounts must be welded to the roll cage. All bars around the driver must have approved roll bar padding. If driver is utilizing arm restraints and official can pull driver's arm out of cockpit, driver will not be allowed to compete.
18.14   Fire-resistant safety neck collars are mandatory.
18.15   Only one (1) radiator permitted for the purpose of cooling water. Radiator must be mounted in front of the engine.
18.16   Water pump must mount in stock location.
18.17   Oil reservoirs must be mounted in front of rear end housing.

AMENDMENTS

January 3, 2007
•  Rules 16.1-5: amended to include multiple engine specifications.
•  Rules 11.1-2: amended to expand wheel and tire options.
•  Rule 9.2.1: crank-triggered ignitions are permitted. January 22, 2007
•  Rule 10.1.1: amended to gasoline requirement.
•  Rule 13.1: amended to allow carbon fiber drive shafts.
•  Rules 16.1-2: amended to clarify engine specifications.