AMERICAN FACTORY STOCK RULES
This is a
Trophies only division. In order to be
eligible to run in this class, you cannot
compete in any other PASSCAR or Modified
Division during the normal racing season.
Revised on 1/4/2017
American 2-door or 4-door vehicle
including Station Wagons. No jeeps,
trucks, convertibles, sub compacts or 4
wheel drive vehicles allowed.
b. All cars
will have a wheelbase of no less than 104
c. Cars must
be rear wheel drive.
d. All cars
must weigh a minimum of 3500 pounds with
driver before and or after the race.
performance parts or modified parts
f. All cars
must remain stock for year, make and model
per the manufactures original
specifications. The only exceptions are
those contained in these rules.
a. All engines
will be stock for year make and model. Big
blocks are allowed as long as they meet
all the rules below.
b. All smog
equipment may be removed.
c. Flat top 4
valve relief or dish pistons only.
d. SBC 76 cc
heads only with 1.94 x 1.50 valve size
e. SBC head
casting # 148, 202, 203, 204, 206, 214,
316, 330, 339, 388, 441, 445, 454, 487,
493, 494, 517, 550, 552, 590, 598, 624,
703, 741, 808, 821, 852, 855, 856, 882,
920, 928, 991, 993, 997.
single valve spring with damper allowed,
no double triple or beehive springs
g. Stock cast
iron intake manifold only, no marine
h. All cars
must have a minimum of 17 inches of vacuum
at 800 rpm’s for three (3) minutes.
i. All cars
must idle at 400 rpm’s for three (3)
j. All cars
must have a stock Holley #4412 carburetor.
k. The carb
spacer must be cast aluminum non
adjustable (1 inch maximum).
size air cleaners only 4”x14” max. Flat
steel top, steel bottom, air cleaner in
a. The fuel
pump must be stock.
b. No glass or
plastic fuel filters.
c. No electric
d. Any fuel
lines that are run through the driver’s
compartment must be steel tubing.
e. Fuel cells
are mandatory. Must have a roll over check
valve. No race fuel allowed.
Sunoco Fuel is
available from Shelly Wooldridge at PRE
2.0 (951) 295-2997 or at the racetrack on
a. All cars
must have mufflers.
b. No Headers.
c. Cast iron
stock manifolds only, no after market
d. No porting
e. Small block
exhaust pipes must not exceed 2 inches
O.D. in diameter and must exit behind the
f. Big Block
exhaust pipes must not exceed 2 1/4 inches
O.D. in diameter.
a. No after
b. No racing
charging system may be removed.
d. A kill
switch between the battery and ignition is
mandatory and must kill the engine when
e. The kill
switch must be accessible from both sides
of the car so that the emergency crews may
shut off the car.
TRANSMISSIONS AND REAR ENDS
transmissions only. No power glide
transmission, unless it is stock to the
converter must be stock.
transmission coolers in driver’s
1. No Floaters
or quick changes.
2. No lockers
of an kind.
3. Welding of
rear end is optional
4. No front
e. Gear ratio
f, Rear end
and housing and overall width must remain
stock for chassis, Ford for Ford, Chevy
for Chevy, etc.
TIRES AND WHEELS
a. No mud or
snow tires. No Hoosier tires of any type.
b. Maximum 7”
tires only and must be DOT passenger car
c. Maximum 7”
d. All wheels
must have a minimum ½’ studs.
e. No grooving
on the tires.
f. No recap
wheels are allowed but can not be
a. All bodies
must be complete and stock steel only.
b. All glass
and body trim must be removed.
c. The hood
must have a minimum of two hood pins
across the front and the rear.
d. The trunk
must have two pins across the rear and if
the hinges are removed pins are required.
e. The only
interior panels that may be removed are
for the installation of the roll gage. All
holes must be patched with a minimum 22
gauge sheet metal.
windshield must be replaced with a ½
screen supported in the center by two 1/8
x 2 inch metal straps, six to eight inches
h. No rub
i. Bumpers –
No sharp edges any where. The bumpers must
have straps the width of the bumper (6
inch long) attached to the fender and
j. No mirrors.
a. The roll
gage must be a minimum of 1 ¾” O.D. steel
tubing minimum .090 wall thickness.
b. A minimum
Six (6) point gage is required.
c. No but
welded corners and no square corners
driver’s door must have Three (3) bars
installed with a minimum of 1/16th steel
plate top to bottom.
e. Two (2)
bars must be installed on the right door.
f. Kickers off
the top of the gage may extend past the
rear end on the frame.
may be welded to the frame or a 6”x6”
plate bolted through the floor pan with a
plate on both sides.
h. Tip over
strap from fuel cell to gage mandatory.
j. Front and
rear hoops are allowed. They can not
extend outside the body or bumpers.
a. All parts
must remain stock.
reinforcing of any parts of the
d. The word
stock means stock! No racing parts. No
spring buckets. No lowering blocks.
f. Before you
do anything – THINK STOCK!
a. Car numbers
must be in contrasting color.
b. Number size
is a minimum of 20” high and 4” wide on
the top of the car and on the doors.
must be 6” high on the front and rear of
d. No three
digit numbers.12. Seats and Safety
all safety equipment it will be the sole
responsibility of the driver, not Perris
Auto Speedway, their agents/ officials or
corporate officers to ensure that his/her
safety equipment is correctly installed,
maintained, and properly used. Please
refer to manufacturer installation and
usage guidelines and adhere to them.
professionally built high back racing seat
is mandatory. No plastics, etc.
2) Must be
securely bolted to mount assembly, or
secured in a manner that is an integral
part of the roll cage.
five-point safety harness with a quick
release is mandatory. 3” wide lap belt, 2”
or 3” shoulder harness and 2” sub strap.
All belts will be attached to the roll
cage in an approved manner, using minimum
of 3/8” grade 8 bolts and safety cables.
Subject to tech approval. It is the
driver’s owner’s obligation to have belts
re-certified or replaced every three- (3)
passenger seat must be removed along with
anything else that is flammable.
1) Window net
Mandatory, minimum 1 inch mesh with
release at top front only.
2) All window
net releases must be the quick release
seat belt type, with release located and
facing the outside of the car.
3) No string
nets or close net off road type nets
Helmets/Gloves/Suits/ Eye Protection
must meet SA 2005, SA 2010 or SA 2015
testing standards, bear proper
identification, and have no signs of
previous damage. Full face helmets
2) Two (2)
layer fire suit is Mandatory at all times.
No flight suits allowed.
racing gloves Mandatory, no welding
gloves, gardening gloves, etc.
racing shoes or leather shoes required. No
nylon shoes permitted.
protection is mandatory, and must be in
proper place at all times.
1) On board
fire extinguisher (2lb) MANDATORY with
quick release mechanism, within drivers
reach while strapped in.
2) All cars
will be required to have in their pits a
minimum of one 5 pound, Halon or dry
chemical fire extinguisher. This is to be
visible to tech officials, and all
crewmembers must be aware of its location,
and knowledgeable in the use of the fire
extinguisher. Sharing a fire extinguisher
between two pit areas is permissible as
long as it is Accessible to both, and both
pits are aware of its location.
and driver will be required to make safety
rule violations comply, PRIOR to racing
a) All cars
are subject to inspection by Perris Auto
Speedway at any time and in any manner
determined by track officials. All
decisions regarding the timing and manner
of inspections, as well as which cars will
be inspected is final.
competitor must take whatever steps
requested by a track official, including
tear down of a car, to facilitate
inspection of the car at any time.
c) Only those
persons approved by track officials may be
admitted into the inspection area.
d) Perris Auto
Speedway has the right to confiscate any
part and/or equipment, which fail to meet
applicable Perris Auto Speedway
specifications during an event.
officials mandate inspection after the
event; if a car that has competed in the
event is taken from the tech area without
permission of a track official, the car
and driver will be disqualified.
f) Any member
who fails to tear down a car for
inspection when requested to do so by the
track officials, a fine and/or loss of
championship points and /or definite
suspension from Perris Auto Speedway will
DEFINITION OF “STOCK” OR “OEM”
above rules, stock OEM or OEM means that a
part or dimension must be from a standard
production vehicle. “OEM” is the
abbreviation for original equipment
manufacturer. If parts are to be stock,
stock OEM or OEM then they can not be GM
Performance, Bow-Tie, Ford Motorsports,
SVO, Direct Connection such as Performance
Catalogues, Marine, Mail Order of any
special Off-Road or Racing Performance
part. No carbon fiber parts anywhere on
the car. Absolutely no removal, alteration
or covering of casting numbers,
manufacturer’s name, logos, insignias, ect
from any item on the car. To do so will
make that part illegal and it will treated
and/or regulations set forth herein are
designed for the orderly conduct of racing
events and to establish minimum acceptable
requirements for such events. The rules
shall govern all entrants. NO EXPRESS OR
IMPLIED WARRANTY OF SAFETY SHALL RESULT
FROM PUBLICATION OF OR COMPLIANCE WITH
THESE RULES AND/OR REGULATIONS. They are
intended as a guide for the conduct of the
sport and are in no way a guarantee
against injury or death to a participant,
spectator or official.
director shall be empowered to permit
deviations from any of the specifications,
herein, or impose any further restriction,
that in his opinion do not alter the
minimum acceptable requirements. NO
EXPRESSED OR IMPLIED WARRANTY OF SAFETY
SHALL RESULT FROM SUCH ALTERATION OF
SPECIFICATIONS. Any interpretation or
deviations of these rules is left to the
discretion of the officials. Their
discretion is final. If you have any
questions please call Mike Miller (PAS
TECH) at (760) 954-3342.
Participants must be a member of the
Perris Auto Speedway PASSCAR Association
to receive Championship points. After two
events you must join PASSCAR.
will be a $40.00 entry fee per car per
race. Money will be collected at pill pick
at the Pit Gate.
INTEND FOR ALL CARS TO BE COMPETING WITH
EACH OTHER. IF YOU DO SOMETHING TO YOUR
CAR THAT THESE RULES HAVE OVERLOOKED THAT
WE FEEL GIVES YOU AN EDGE OVER THE OTHER
COMPETITORS, YOU WILL BE REQUIRED TO
CHANGE YOUR CAR.