STREET STOCK RULES
DEFINITION OF “STOCK” OR “OEM”
following rules stock, stock OEM or OEM
will mean 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, and Mail Order or any
special Off-Road or Racing Performance
Parts. No carbon fiber parts anywhere on
the car. Absolutely no removal, alteration
or covering of casting numbers,
manufacturer’s name, logos, insignias,
etc. from any item on the car. To do so
will make that part illegal and it will be
treated as such.
1. All cars
must be full size or intermediate.
American made passenger cars.
2. No jeeps,
station wagons or front wheel drives.
must remain stock, Min. 105” wheelbase.
weight of 3200 lbs with driver at any
5. All ballast
weight must be painted white and must have
a car number on each weight.
weights must be bolted with a minimum of
two ½” grade-8 bolts subject to safety
tech approval. 7. Bolt on clamps ok, two
8. All weight
that falls off car during a race will be
fined $10.00 a pound.
1. Bodies must
exterior body parts may be metal or
or fiberglass panels must look stock for
make and model being used. Flat sides OK.
Full bodies required at the beginning of
each race event. After market nose and
tail covers OK.
4. Hood and
trunk lid pins required. Minimum of two
across the front hood and two across rear
of trunk lid. One additional pin required
for each missing hinge.
5. Full stock
floorboard and firewall including rear
seat floor area leading into trunk is
required. All holes must be covered by
sheet metal and welded or riveted in
6. A 6” hole
in each wheel well is required to aid
firemen in extinguishing fires.
doors, rear quarters, roof and rear deck
may be gutted. (Inner reinforcement
8. Dash may be
wells may have a 3 to 5-inch clearance.
spoilers allowed. No more than 6" tall and
no wider than the width of the car.
windshield screen with two center supports
1/8” by 1”, centered 6” to 8” apart
window net mandatory. Net must be attached
to the top and bottom of roll cage, and
release at top front.
13. NO SHARP,
PROTRUDING EDGES ALLOWED.
14. Rub rails
are allowed, 1" x 2" tubing. Must be
attached to door bars, mounted flush with
door skin. Ends must be beveled.
must be stock mfg. All cars with exposed
bumpers must have a factory bumper cover.
mounted behind after market full nose & or
tail covers may be fabricated. Subject to
height measured from ground to centerline
of bumper must be a minimum of 16” and a
maximum of 20”.
must have a 90-degree turn on each side
extending back a minimum of 4”. Bumpers
must not have sharp corners or ends.
5. Front and
rear bumpers must have metal plates
(minimum of 20 gauge) covering full width
of bumper bolting ends of bumpers to the
quarter panels and fenders. Must use a
minimum of four 5/16 inch bolts per strap
(carriage bolts only.)
6. Front and
rear bumpers must have safety chains
mounted to the frame. Minimum of 5/16
roll-cage required, subject to tech
approval. Main cage bars must be a minimum
of 1 3/4” OD, .090” wall thickness. Front
and rear cage must have some provision for
tow trucks to hook to. If there is no
provision TRACK is not responsible for any
damage that may occur while being towed.
GALVANIZED, ALUMINUM, OR EXHAUST TUBING
3. Minimum of
3 door bars on right side, with a minimum
of 4 door bars on driver side door, no
more than 7” spread between each door bar.
Must have 1/8” doorplates from top door
bar to bottom door bar and from rear down
bar to front down bar.
4. Rear kicker
bars may extend to rear frame cross
5. Fuel cell
protector mandatory, no more than the
width of the frame rails.
6. Main roll
cage uprights must be fastened to tubing
running full length and welded to rocker
panels or with a minimum 3/16” thick
plate, top and bottom, at all four
corners. Plate must be minimum 4” square,
with four 7/16” grade 8 bolts at each
must be used at any point where driver
contact might occur. No swimming pool
racing seat mandatory. Seat must have
complete cage frame support fabricated to
the roll bar assembly. No fiberglass
9. A five (5)
point safety harness, with quick release
mandatory with a 3” wide lap belt, 3”
shoulder belts and a 2” submarine. All
belts must be attached to roll cage with a
minimum of 7/16 grade 8 bolts.
10. All seat
belts must have date of manufacturer and
must be within 3 years of the present
11. FUEL CELLS
MANDATORY. Fuel cell must be between frame
rails in trunk area. Fuel cell must be
totally enclosed in an 18 gauge steel
container and mounted with TWO 1/8’ by 1”
straps both lengthwise and crosswise.
Bottom of cell center of axle or higher
12. Fill spout
to be located inside trunk.
fuel cell capacity: 22 gallons
15. Fuel cell
must be foam filled.
16. Fuel cap
lanyard and ground strap required.
FRAME AND SUSPENSION
1. Frame must
be stock. Rear frame legs may be
fabricated no further forward than center
of rear axle.
relocate suspension parts in original
must be stock for year, make and model
4. Front sub
frames must be stock for year, make and
model of car utilized. No cutting,
sectioning or redesign of front frame or
sub frame to change the stock location of
any suspension component or engine
placement. Notching the frame for the fuel
pump is prohibited.
components and parts must be stock. No
modifying No weight jack devices of any
6. No spring
buckets allowed. Fixed or adjustable
spacers only. Racing springs allowed
adjustable spring hangers allowed.
Replacement hangers must be stock lengths
for year, make and model of car utilized.
lowering blocks only.
9. Front sway
bars must be stock. No rear sway bars
10. Any crash
damage repair must locate the suspension
components in their original positions
with original mounts with a minimum of
reinforcement. All repairs subject to
inspection and approval.
11. Ball joint
and ball joint location must be stock plus
or minus one inch. No steel or offset
12. All shocks
must be stock type and must be mounted in
stock location to stock rubber mounts.
Racing shocks allowed. (Afco, Pro) Must be
factory replacements Non rebuildable.
must have two retaining straps. May be
made of chain or metal strap. Drivelines
must be painted white. No aluminum
column must be mounted in stock location.
quickener OK. Rack and pinion OK if
factory for model being used.
wheel pad mandatory.
release steering wheel mandatory.
1. All 4
brakes must work at all times.
2. Rear wheel
disk brakes allowed. After market steel
rotors OK, all other components must be
OEM stock or stock replacement. No
floating caliper brackets.
stock master cylinder must be in stock
location. No type of adjustable
proportioning valve allowed.
4. Pedals must
remain in stock location.
350 C.I. max. +. 060 overbore
2. Ford 351
C.I. max. +. 060 overbore
3. Dodge 360
C.I. max. +. 060 overbore
4. The GM 602
Crate Engine is allowed. The Race Director
may modify the weight rule for these cars
in order to make sure they are
compression ratio: 10.5 to 1
BLOCKS: Stock OEM cast iron engine blocks
only. Decking allowed. Studded main caps
allowed. Must have stock casting numbers
on the block.
hole required in oil pan to obtain
unobstructed view of crank, rods and
underside of pistons
8. Blocks must
not be altered in any way so that it
cannot be used in a street legal
Stock OEM cast or steel, large journal,
3.48 stroke crank only. No knifing, no
lighting. No offset grinding. No stroking.
No destroking. No after market cranks of
any kind. No lightweight cranks allowed.
Crank is to remain stock and will be
Cast or Hypereutectic 2 or 4-valve relief,
flat top or dished pistons only. No billet
aluminum or forged, no lighting of any
kind. No domed pistons allowed.
Stock OEM 5.7, large journal rod only. No
aluminum, no lighting of any kind.
Heavy-duty rod bolts OK. Shot peened OK.
No after market rod allowed.
12. HEADS: All
heads must be factory castings Vortec
Heads: Standard OE Production Vortec
castings are permitted: GM L-31
(Casting #062 or #906 Only). All
other Vortec and Vortec-style heads
prohibited, including but not limited to
Vortec Bow Tie, Edelbrock, EQ, GM Fast
aluminum heads allowed. No aftermarket
heads allowed. No port matching, no pocket
porting or blending. No porting or
polishing of any kind. No angle plug
heads. Stock type stamped steel 1.5 ratio
rockers only. No rollers. Screw in studs &
Guide plates OK. Maximum valve spring
diameter 1.260. Steel retainers only. No
titanium or aluminum valve train parts.
MAXIMUM VALVE HEAD DIAMETER:
intake 1.50” exhaust. CAMSHAFT: .485 max
valve lift. No roller cams. No solid lift
cams. No gear drives allowed. "Maximum
allowable lift of any camshaft at the
valve is 0.485. Camshaft lift measurement
will be taken at the lifter and multiplied
by the rocker arm ratio" (i.e.: 0.323"x1.5
Torker II, 2101 performer, or 2116 Vortec
performer intake manifold only. No cast
iron. No modification of any kind allowed.
CARBURETION & FUEL SYSTEM
#4412 carburetor only. May remove choke
plate power valve and change jetting only,
must fit tech gauge.
adaptor 1” max with one gasket on top and
one gasket on bottom. No additional
spacers allowed. Two Throttle return
size air cleaners only 4” x 14” max.
(Standard K&N filter ok) Flat steel top,
steel bottom with air cleaner in between.
Air cleaners through hood must have hood
scoop. Absolutely no portion of air
cleaner may assist the flow of air into
4. All Street
Stocks must Sunoco Fuel. Sunoco Fuel is
available from Shelly Wooldridge at PRE
2.0 (951) 295-2997 or at the racetrack on
5. Fuel pump
must be in stock location.
6. NO COOL
7. NO GLASS OR
PLASTIC FUEL FILTERS ALLOWED.
8. Gas shall
not be blended with alcohol, ethers, or
other oxygenates Race gas ok.
9. NO ELECTRIC
FUEL PUMPS PERMITTED.
1. Stock cast
iron exhaust manifolds only. No center
dumps. No modifications.
mandatory. Maximum dB reading 95 decibels
at 100 feet.
and tail pipes must be mounted below or
underneath floor pan and extend past the
rear of the driver.
4. No 2 into 1
modifications to the stock floorboard to
accommodate for exhaust system. If your
floorboard has already been modified, you
will be allowed to compete as long as you
do not have a 2 into 1 system.
must be in stock location and appear
2. Fan shroud
plastic, aluminum or Steel fan ok.
4. Fan is
mandatory, bolted on water pump.
Distributors must be stock point or HEI.
2. No racing
modules or coils allowed.
batteries must be securely mounted. If
battery is mounted inside of driver
compartment it must be fully enclosed
inside metal case bolted to floor having a
securely attached cover
ON/Off switch and starter button must be
within reach of driver without having to
release, or loosen seat belts.
5. All cars
must start under their own power.
electrical on/off switch mandatory must be
reachable from either side of car from
outside, and kill the engine when turned
7. All cars
must be equipped with a stock starter and
must be mounted in stock location.
TRANSMISSIONS & REAR-ENDS
Transmissions must remain stock with all
10-1/2" steel clutch and flywheel.
Flywheel must be accessible for inspection
of the casting number or you will be
must have stock working torque converters,
coolers ok. No mounting of coolers in
must remain in stock location with stock
suspension. After market floater rear ends
ok, solid steel axles only. No ratchet or
locker rear-ends. Full spools and Mini
spools ok, steel only, welded gears and
Ford 9” allowed.
5. Center of
rear lower control arm bolt must be 2.25
to 2.5 inches from the bottom of the
TIRES AND WHEELS
1. NO MUD and
SNOW GRIP TIRES ALLOWED.
2. Maximum of
8” tread width, 8” steel wheels maximum.
3. 5/8” studs
required on all four wheels.
4. 8” or less
DOT passenger car tire. No grooving, no
recaps. All tires subject to approval by
5. No tire
6. Right rear
bead lock only.
1. For proper
scoring, numbers must be easily read from
2. Car numbers
must be in CONTRASTING COLOR and must be
on both doors and on top: also front and
rear for staging.
3. Numbers on
doors and top are to be a minimum 20: high
by 4” wide.
4. Numbers on
the front of the car must be 6” high; and
must be placed in driver side headlight
area (must be clearly visible to staging
5. Numbers on
the rear of the car must be 6” high and
placed near the right side corner.
name is to appear on top over both doors
in 3” high letters.
must be solid color, no neon, no gold or
8. No three
digits or letters will be accepted.
1. Radios: No
two way radios allowed in cars.
2. No interior
or exterior rear view mirrors allowed.
1. For all
safety equipment it will be the sole
responsibility of the driver, not Perris
Auto Speedway 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.
helmet must meet SA 2005, SA 2010 or
SA2015 testing standards, and bare proper
identification, and have no signs of
Single-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 boots required no
nylon shoes permitted.
protection is mandatory, and must be in
place at all times.
1. On board
fire extinguishers (2lb) MANDATORY with
metal quick release mechanism, within
drivers reach while strapped in. Car #
must be painted on.
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 illegal.
3. Car and
driver will be required to make safety
rule violations comply, PRIOR to racing
All cars are
subject to inspection 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.
must take whatever steps requested by a
track official, to facilitate inspection
of the car at any time. Only those persons
approved by track officials may be
admitted into the inspection area.
Speedway has the right to confiscate any
part and/or equipment, which fails to meet
applicable specifications during an event.
Track 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.
Any member who fails to tear down a car
for inspection when requested to do so by
the track officials will incur a fine
and/or loss of championship points and/or
indefinite suspension from Perris Auto
ONLY A DRIVER
THAT IS A MEMBER OF PASSCAR CAN PROTEST
AND REQUEST TO HAVE A MOTOR TORE DOWN TO
THE CRANKSHAFT FOR INSPECTION OF ILLEGAL
PARTS FOR A FEE OF $1,000.00 ($200 TO
PERRIS AUTO SPEEDWAY, $800 TO CAR OWNER.
THE DRIVER MUST HAVE FINISHED IN THE TOP
FIVE IN THE EVENT AND MUST HAVE RACED IN
THE PREVIOUS TWO A MAINS IN A ROW.
PROMOTER OR RACE DIRECTOR MAY ALSO PROTEST
ANY ENGINE. THE PROTEST MUST BE REQUESTED
AND CASH MUST BE PRESENTED TO THE TECH
DIRECTOR OR RACE DIRECTOR WITHIN 5 MINUTES
AFTER CHECKERED FLAG AT THE TECH PAD AREA.
IF ILLEGAL, $800.00 WILL BE RETURNED TO
THE DRIVER CONTESTING THE CAR AND $200.00
TO THE TRACK. REFUSAL OF TEAR DOWN PENALTY
WILL RESULT IN DISQUALIFICATION, LOSS OF
POINTS AND PAYOUT FOR THAT EVENT.
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 to
There will be a $40.00 entry fee per car
per race. Money will be collected at pill
pick at the Pit Gate.