::: USAC Sprint :::

::: USAC Sprint :::

Stylized logo with the word 'JRW' in bold, orange and yellow gradient letters, with the word 'indsy' in lowercase black letters below.

Added to Jammer’s Site on 2025-10-18

Rules Out of Date? Click Here
Chassis Body ESC Motor Batteries Tires Weight Min Ride Height Notes
Traxxas Slash 2WD McAllister Mercer Sprint Body Justock ESC or XL5 ESC Hobbywing 13.5T Justock or Stock Titan 12T Any ROAR Approved 2s Lipo Rear: 2.2” Stadium Truck Slick Front: 2.2” Buggy rear slick TBD 6mm All Rules Default to ROAR Rules

1.0.0 Chassis

 1.1.0 Traxxas Slash 2WD Chassis Only

 1.2.0 Low CG Chassis only 

 1.3.0 No modifying chassis pan

 1.4.0 6mm Minimum Ride Height 

 1.5.0 Adding weight is permitted inside pan only

 1.6.0 All parts must be run in their original location

2.0.0 Motor/ESC

 2.1.0 Stock Titan 12T & XL5 ESC 

 2.2.0 Hobbywing 13.5T Justock Motor & Justock ESC

o 2.2.1 PULL THE MOTOR OUT OF THE BOX AND RUN IT

o 2.2.2 ANY DISMANTLING OR MODIFICATION OF MOTOR IS

CONSIDERED ILLEGAL

 2.3.0 Traxxas BL-2s Motor Combo (3382)

3.0.0 Steering/Servo

 3.1.0 Any standard 1/10 Scale Servo

 3.2.0 Recommended to run Servo Saver

 3.3.0 Stock, Aluminum or 4x4 rack permitted

4.0.0 Battery

 4.1.0 Any ROAR Approved 2s Lipo

o 4.1.1 Charged to 8.44V Maximum

 4.2.0 Shorty or Full Size pack permitted

5.0.0 Body

 5.1.0 McAllister Mercer Sprint Body only

 5.2.0 Track official may deny use of track for bodies with chipping paint

6.0.0 Bumper

 6.1.0 Stock or RPM front/rear permitted

 6.2.0 No aluminum bumpers

 6.3.0 MUST run Front and Rear Bumper

 6.4.0 Nerf Bars not required

 6.5.0 Rear RPM Bumper Mount REQUIRED

7.0.0 Tires

 7.1.0 Must run any 2.2” Stadium Truck Slick Tire on rear only, with 2.2” Stadium

Truck Wheel

 7.2.0 Must run any 2.2” Buggy rear slick tire on front only, with 2.2” Buggy Rear

Wheel

8.0.0 Transmission

 8.1.0 Stock Case or RPM

 8.2.0 Stock Traxxas  transmission gears only (Aluminum Idler Permitted)

 8.3.0 No Mid Motor Conversion Permitted

 8.4.0 Can use Hot Racing Sealed Diff Case

 8.5.0 Can use any oil/grease

9.0.0 Shocks

 9.1.0 Must be Traxxas Ultra Shocks

o 9.1.1 Titanium shafts permitted

o 9.1.2 Aluminum caps permitted

 9.2.0 Must use Traxxas Springs designed for your shock

 9.3.0 Can run any internal limiter

o 9.3.1 External Limiters not permitted

 9.4.0 Can run any fluid

10.0.0 Upgraded Parts

 10.1.0 Any RPM upgrade made for Slash

 10.2.0 Traxxas Driveshafts Only (1951, 6852X, 6852A) 

 10.3.0 Any aluminum upgrade except for:

o 10.3.1 Bulkhead, Arms, Chassis, Shock Towers, Bumper

 10.4.0 All parts MUST be designed for a Slash

 10.5.0 STRC Hinge pins permitted