Official MSM Spec Racing Rules
Spec racing is designed for all racers to have an equal opportunity to win from an equipment perspective. It is intended to create a cheaper way to get into RC racing without affecting the level of competition. These rules are designed so drivers that are "racing on a budget" can have an opportunity to compete with seasoned experts.
Spec Slash
- Brushed 2wd Traxxas Slashes ONLY
- Approved electronics
- Traxxas XL5 ESC (must keep a traxxas connector)
- 3018
- Traxxas Titan 12t Motor
- 3785
- Traxxas TQ or TQi transmitter (Any Model)
- Traxxas TQ or TQi receivers
- 6519
- 6533
- Traxxas Servo Part Numbers
- 2056
- 2075
- 2075R
- 2075X
- Metal servo gears permitted (2072X)
- Traxxas durability upgrades permitted
- Must be Traxxas brand parts
- First 4 part numbers must match stock part number.
- For example, part number 2555 (stock rear arms) can be upgraded to 2555G (Green HD Arms)
- Aluminum shock caps permitted (part# 3767)
- Must use Traxxas Slash 2wd wheels and tires
- S1 compounds are permitted *
- Any Traxxas Slash 2wd tread pattern permitted
- Must use Traxxas Slash Body (No aftermarket bodies)
- No body venting
- Shock oil changes permitted *
- Shock limiter permitted *
- Stock servo saver/horn ONLY
- 2S Lipo or 7 cell NIMH NO LIHV
- 16t/23t pinions only (stock/optional both included in kits)
- 90t/86t spurs only (stock/optional both included in kits)
- NO TSM ALLOWED
*Only in Spec 1 and Spec 2 classes
Spec 4-tec Brushed
- Brushed Traxxas 4-tecs ONLY
- Approved electronics
- Traxxas XL5 ESC (must keep a traxxas connector)
- 3018*
- Traxxas Titan 12t Motor
- 3785
- Traxxas TQ or TQi transmitter (Any Model)
- Traxxas TQ or TQi receivers
- 6519
- 6533
- Traxxas Servo Part Numbers
- 2056
- 2075
- 2075R
- 2075X
- Metal servo gears permitted (2072X)
- Approved Wheels and Tires
- 8373
- 8374
- 8375*
- 9370
- 9371
- 9372
- 9373
- 9474
- 9375
- Traxxas durability upgrades permitted
- Must be Traxxas brand parts
- First 4 part numbers must match stock part number.
- For example, part number 2555 (stock rear arms) can be upgraded to 2555G (Green HD Arms)
- Aluminum shock caps permitted (part# 3767*)
- Must use Traxxas Brand Body (No aftermarket bodies)
- No body venting
- Shock oil changes permitted
- Shock limiter permitted
- Stock servo saver/horn ONLY
- 2S Lipo or 7 cell NIMH NO LIHV
- NO TSM ALLOWED
Open 4-tec Brushless
- Brushless Traxxas 4-tecs Only
- Must run Traxxas VXL Brushless systems
- Approved Electronics
- Traxxas VXL Brushless System
- 3355* ESC
- 3351* Motor
- 3350* Combo
- Traxxas Servo Part Numbers
- 2056
- 2075
- 2075R
- 2075X
- 2250
- 2255
- Metal servo gears permitted (2072X)
- Any Transmitter/Receiver Permitted
- Any Wheels/Tires Combo Permitted
- Any Body permitted
- Shock oil changes permitted
- Shock limiter permitted
- Stock servo saver/horn ONLY
- 2S Lipo or 7 cell NIMH NO LIHV
- NO TSM ALLOWED