13.5 Sprint

Any 2wd production buggy conversion kit or 2wd purpose-built chassis. Rear adjustable a-arms are allowed.

Hobby Wing 13.5 Justock. Combo # 38020371 Motor # 30408010 ESC # 30112005

Gearbox transmission only.

Quasi Speed 2.2 tires - 2wd only.

7x7.

2 cell lipo hard cased only. Lihv batteries allowed, 8.44 Volts MAX.

NO Bluetooth devices may be hooked up to the car while it is on the track in a heat race or main.

Minimum 57oz (3.56lb).

General - Maximum Overall Length: 18.000". Maximum Chassis width: 4.025" Cage - Sprint cars must have a scale appearing contemporary cage made out of rounded stock. The cage must be symmetrical left to right and mounted level to the chassis. Maximum cage width at driver halo, down tubes, and top frame rail: 3.600". Maximum cage height 5.5" from top of chassis to top of cage at highest point. Rear "down tubes" must slant forward. All cage and body components must be mounted on the centerline of the cage. Chassis may not extend outside of the side panels by more than 1/4" on either side. Bumpers - A flat, curved or tubular front bumper (or combination of) must be used and may not be designed to direct air or create downforce. Maximum height of front bumper is 1.75" from the bottom of the lowest point of the chassis. Scale appearing side nerf bars must be used on both sides of the car. A scale appearing rear hoop style bumper must be used. Bumpers and nerf bars must be made of rounded stock with no sharp edges. Tail tank - A traditional scale appearing rounded style three-dimensional rear fuel cell must be used. Headers - Three-dimensional scale appearing exhaust headers must appear on both sides of car in "engine area". Side panels - Flat side panels may be made from molded or fabricated polycarbonate. Maximum height of side panels in front of the driver cockpit is 3.80" from the bottom of the chassis. Must have minimum of 3/4" high by 2.5" long openings on both sides of cage in driver compartment. Additional material to replicate a scale appearing driver may not exceed 1" x 1". Side panels may not extend beyond the rear of the cage by more than 0.25". Side panels may not extend above or in front of the front downtubes. Side panels may not extend into the area behind the rear axle AND below the top of the rear nerf bar. Driver arm guards and engine vents may not extend more than 3/8" from the side panels. Hood Area - A scale appearing hood must be used, defined from the front axle to the front of the driver cockpit. The hood must be symmetrical and tall/wide enough for a scale engine intake and air cleaners. Minimum vertical gap from top of hood to bottom of front cage crossbar: .750". The hood may not drop below the nearest point of the side panels by more than 3/8". Nose Area - A molded or fabricated nose piece may be used, defined from the front axle forward to the front bumper. Front bumper may not extend more than 3" from front axles. Nose piece (any Lexan) must be at least 1/4" back from the leading edge of the front bumper. Maximum width of nose piece/bumper is 3.75". Maximum width of any surface designed to add downforce is 3.125". Front wing/mounts - The front wing center section may not extend in front of the front bumper. Front wing mounts may be made of Lexan but may not exceed 1.75" in length and 1.75" in height. Top wing/mounts - Top wing minimum height at leading edge: 5.00" from bottom of chassis. Maximum: 6.50". Center section and side panels must be made from at least 3 separate pieces of polycarbonate, carbon or aluminum. Wings must be centered on cage (no offset) and mounted level. Center section may not extend beyond leading or trailing edge of side panels. Side Panels may have front, back, top and bottom turnouts of no more than .375". Visors - A scale appearing visor may be used on any wingless sprint car. The 7x7" wing will be the standard for buggy/rubber tire classes; top wings are mandatory and front wings optional for all sprint classes. Wingless sprint classes may be run at the organizer's discretion. Sprint Car Diagrams: Go to www.Dirtoval.com