2027 Losi Late Model Rules

Class Rules1/10 Losi Dirt Late ModelEffective Oct 16, 2026· Updated 7 days ago

Summary of recent changes

2027 class lineup and rules (posted Oct 2026).

Spec sheet

Governing

Notes: Spec class: stock electronics and gearing; Losi springs; no added weight; no TLR tuned parts.

Motor & ESC

Motor type: spec
Spec motor: Stock SPMXSM4800
ESC: Stock SPMX-1106

Battery & power

Battery chemistry: LiPo

Tires

Spec tire: Losi Late Model Hoosiers (soft or hard), Losi LM wheels only; no dope

Weight & body

Body: Stock cage, panels, nerfs, driver and interior; stock spoiler

1.Body

stock cage (any color) and panels (any color). Panels can be painted or decals. Must run all nerf bars or bracing, driver figure and interior, nothing can be removed. Spoiler: stock spoiler only

2.Tires & wheels

TIRES & WHEELS- Losi Late Model Hoosiers -Soft or Hard compound. Losi Late Model wheels only! (NO LOSI SPRINT CAR WHEELS) No tire dope allowed.

3.Electronics

ESC: Stock (SPMX-1106). Motor: Stock (SPMXSM4800)- fan can be used on waterfall. Servo: Stock ( SPMS684). Receiver: Stock (SR215). Transmitter: (SLT2 OR SLT3).

4.Gearing

Spur: Stock (LOS232038). Pinion: Stock (TLR332020).

5.Battery

Stock SPMX-1087 or equivalent 30c Hard Case Stick Pack

6.Suspension & weight

Shock oil: open. Diff oil: open. Springs: Losi Springs. No added weight. No TLR tuned optional parts.

7.Track rules

Slideways management reserves the right to change or modify rules at any time.