STREET STOCK RULES

APPROVED MODELS
General Motors: 1973 & up Nova/Venture/MonteCarlo/Chevelle/Lemans/Malibu/Impala/Parisienne or similarly designed cars.
Ford: 1973 & up Torino/Thunderbird/Granada/Crown Victoria or similarly designed cars. Up to 1991 Crown Victoria. 1992-1995 Ford Crown Victoria allowed (must use drum brake housing from 1991 and prior).
Chrysler: 1973 & up Dart/Satellite/Charger; 1978 & upVolare/Diplomat or similarly designed cars.
No Mustang, Camaro, Cuda or similarly designed cars.
Any other models are subject to approval by track management.
Minimum wheelbase of 105” (factory specifications) with not more than one inch difference(+/-) side to side.
Body/Bumpers All steel bodies approved.
All fiberglass body panels similar to Duraflex are approved.
A tow chain around the front and rear bumper is mandatory.
No body part can be lower than 4”.
Quarter panel windows may be replaced with Lexan.
Lexan or stock glass windshield is permitted. A minimum of two steel vertical braces on the inside of the windshield placed to the right of center are mandatory.


INTEROR
All interior flammable materials must be removed with the exception of the driver’s seat.
A completely enclosed steel firewall front and rear is mandatory.
Floors may not have any holes. They may be repaired with steel but must retain their original appearance.
Metal interior panels MAY be removed. If interior panels have been removed, they must be steel braced to sufficiently prevent bowing
and deforming. They will be subject to a weight penalty if excessively lightened.


ELECTRICAL
Battery must be ahead of the firewall and securely fastened.
Charging system and starting system must be operating.
Ignition system must be clearly marked “off” and “on” and be accessible from the outside of the car, as well as within the driver’s reach (when safety harness is fastened).
Weight
All cars must weigh a minimum of 3400 pounds with driver at all times.
Maximum left side weight 53% of total weight.
Maximum rear weight 45% of total weight.


BRAKES
Cars must have four-wheel brakes in working order, drums on rear.
No bias valves permitted. Power booster must remain in stock location on firewall.Standard master cylinder in stock location will take a 10lb penalty. This weight must be bolted on the top of the master cylinder to the firewall.
One brake duct hose is permitted per wheel. No electric fans allowed.


CHASSIS & SUSPENSION
All suspension parts are to be stock with no modifying.
The car must be a minimum of six (6) inches of the ground measured at any point under the frame Ground clearance will be the same on both sides. Inspection height gauges must pass under frame with no contact.
All vertical measurements will be taken with driver in car.
Front coil springs may be OEM or OEM replacement type. Conventional OEM type race springs allowed (i.e. AFCO, Hypercoil). No beehive or progressive rate springs allowed.
Front springs must have stock coil spacing. Springs must be a minimum of 5.0” O.D.(+/-½ “) in diameter. Front springs must sit in the original OEM spring seats. Solid shims maybe used on the top of the spring and seated in the original spring seat. Solid wedges are permitted in the front springs. 
Adjustable spring seats allowed, welding not necessary.
Stock arch must be maintained on rear leaf springs. No lowering blocks, jacking bolts, or adjustable spring spacers.
No cutting and/or welding pitman arm.
No air shocks or bags.
Stock sway bar only. Bar MUST be mounted in original brackets under frame rail.
Sway bar MUST be mounted in OEM position on top of control arm. OEM sway bar not to exceed 1 5/16”O.D. 
Sway bar may be adjustable between control arm and sway bar only.
One side must be solid, the other side adjustable.

 

ROLL CAGE

Minimum Center Roll Cage/Bracing (interior main cage).
The main cage will consist of four upright bars to form the cage perimeter. These uprights must be welded to the frame. The two front bars will be angled back inside the body “A” pillars. The rear bars will extend up to the roof. These four bars will be welded to the “halo” bars that will form the perimeter of the upper cage.
Top of the roll cage halo bars must be touching the roof. There must be a minimum of  3" clearance between the driver's helmet and top of the halo. The driver’s side door bars will consist of a minimum of three parallel bars attached between the front and rear cage upright bars and angled out to the inside of the outer door panel. The parallel bars must be joined by a minimum of six evenly spaced vertical bars to support and strengthen the door bar construction. 
The driver door bars MUST be filled in and covered with a minimum 1/8" thick steel plate. This is MANDATORY on the driver’s side. Plating must cover all drivers’ door bar area. 


SAFETY

Must have racing seat and fire suit is mandatory at all times when on the track Practice time included. Up to date fire extinguisher must be in car and not expired. Minimum 4 point harness is required.

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Background Photo Credit Mike Francis (Used with permission)