First draft of the street class, go ahead and work it over, what is good and what is bad?
1. Street Stock Class (licence and registration required)
1.1 Tires
Maximum tire size is 37", based on manufactures sidewall stamp. Two bonus points (-2) issued for each inch below 37" to a minimum of 33".
1.2 Steering
Street Stock class is limited to hydraulic assist of stock type components (hydraulic rams OK). Rear steer or full hydraulic steering is not allowed. Cross over steering acceptable.
1.3 Frame
1.3a Frames must be OEM, or aftermarket OEM design that meet stock specifications.
1.3b Frame rail modifications are not allowed, including cutting holes in the frame rails for custom brackets (except as allowed in 1.7 below). All bolt on or weld on custom brackets are permitted.
1.3c Body and frame type must match vehicle title.
1.3d Aftermarket replacement frames must be approved by PARK.
1.3e Custom cross members allowed.
1.3f Plating frame for strength is allowed.
1.3g Frames cannot be drilled or punched to lighten them.
1.4 Body
1.4a Full recognizable 4x4 bodies i.e. Jeep, Toyota, Ford, Chevrolet, I.H. etc., are required (two wheel drive conversions are not allowed). Some trimming of body allowed such as fenders and corner panels. Fenders may be trimmed under the area that would be covered by a factory or aftermarket fender flair or a maximum of 3”.
1.4b Tubbing of rear fender wells is not allowed, they must remain stock. Front fender wells may be omitted. All flooring and firewalls must be fully intact with the exception of the following:
1. The hump area directly over the transmission and transfer case which may be modified to accommodate aftermarket products or raising of stock components.
2. The floorboard may be cut or modified for clearance of rear shocks, fuel tanks and routing of fuel lines.
1.4c Body mounts may be modified as needed.
1.5 Radiator
Radiators must be in factory position and covered by the hood.
1.6 Seating
Vehicles must have two (2) seats side by side.
1.7 Suspension
1.7a Stock configuration suspension designs required. Example: leaf from factory, leaf for competition, IFS from factory, IFS for competition, coil/leaf from factory, coil/leaf for competition, etc.. Double shackle or coil over systems are allowed with a 5 point penalty.
1.7b No limitation on suspension attachment point measurements, but overall wheelbase MUST remain +- 3 inches of stock.
1.7c Manual or automatically controlled suspension systems that compensate ride height are not allowed. Front bumper mounted winches may be used as an adjustable limiting strap for the front axle.
1.7d Shackle reversal approved for leaf springs. Shackle hangers may use holes cut in the frame for leaf spring shackle bushings. Rear leaf springs mounted inside the frame are allowed (Frenched).