Any American or foreign made vehicle; 105-inch or greater wheel base
no high-performance vehicles or motors
front or rear wheel drive vehicles allowed
OEM six or eight cylinder motors only
Fuel tank skid plate required
fuel cells optional; to be installed in trunk area
fire wall is mandatory
station wagons MUST remove factory fuel tank and replace it with an approved fuel cell in of vehicle
vehicles with OEM fuel tank located in the the quarter panel area must remove fuel tank and relocate it to trunk or install approved after market fuel cell
All glass, lights, light covers to be removed prior to pit entry
Windshield may be replaced with 1/8-inch Lexan (full windshield ONLY)
no screens; no half-windshields
must be done prior to pit entry
Doors to be welded shut
No suspension modification
no modification of A-frames or position
all wheels allowed maximum 1 degree negative or positive camber
all cars must maintain minimum 6-inch ground clearance at all times with driver
all other suspension parts and components must remain OEM and unaltered
All wheels (and tires) must be the same size
maximum width 7-inches
any stock or aftermarket steel wheel
no aluminum wheels
minimum 14-inch; maximum 16-inch wheels allowed
all wheels allowed maximum 1 degree positive or negative camber
no offset race wheels (or tires)
No modifications to the stock engine
engine must be stock
MAXIMUM displacement - ANY
no work to stock engine allowed
stock valve covers for that make/model
2 valves per cylinder only
no turbo, rotary, Quad-4 or DOHC motors allowed
Original engine manufactured carburetor ONLY
absolutely no work or alterations allowed
All interior must be removed
headliners, carpet, door panels, carpet, any flammable fabric must be removed
OEM seats with 3-point lap and shoulder restraint required
aluminum race seats optional
5 or 6-point restraint systems optional
Battery may be moved into cab area, covered and securely fastened
marine battery box recommended
No mirrors outside car
inside mirror permitted
Functional driver's side window net required
Car must be equipped with on-board fire extinguisher
Helmets required
must meet SA95 or SA2000 requirements
drivers SFI suit required
One 12-inch diameter (circular) hole may be cut into hood for safety
OEM transmission only
manual or automatic
cannot be modified
must have functional reverse
No racing tires
DOT or non-high performance street legal tires allowed
minimum 14-inch; maximum-16-inch tires allowed
all tires (and wheels) must be of the same size
70 or higher series tires only
track officials will have complete autonomy regarding tires
all lug nuts must be in place and firmly secure
all wheels allowed maximum 1 degree positive or negative camber
no offset or race tire (and wheels)
Car numbers must be visible for scoring purposes
door numbers must be 18-inches in height
posted on both doors
roof numbers required
28-inch minimum height
recommended to face reading toward tower/grandstand
No excessive "gutting" of doors, fenders, hood
no excess "gutting" for increased tire clearance
Minimum four driver's side door bars required
minimum three passenger side door bars required or X-bars required
minimum 1-3/4" diameter tubing
Roof loop bar required
Mufflers optional
mufflers must remain stock
Firewall between driver compartment and engine compartment required
must be completely sealed
Firewall between trunk compartment and driver compartment required
must be completely sealed
Stock bumpers may be reinforced
needs to be pre-approved by technical inspector
Overflow catch system (catch can) required
NO ANTI-FREEZE
IF You dump ANTI-FREEZE on the Racing Surface, YOU buy the kitty litter.
A vehicle with a flat tire must pit and replace that tire
Any item not specifically covered above must remain 100% OEM and unaltered
All vehicles MUST receive Newport Speedway pre-approval prior to competition
Track officials will have discretion to modify these rules as needed including event night changes
NEWPORT Speedway Enduro Class RULEBOOK