The Ligier JS F422 is the second-generation F4 developed by Ligier Automotive and Ligier Advanced Technologies. It is available in two versions: one for the United States and one for the rest of the world. The car complies with the FIA F4 2022 regulations and is eligible for all FIA-homologated championships.

It has been selected as the exclusive chassis for the F4 championships in France, China, India, and the United States.

The JS F422 can be fitted with different engines depending on the championship.

Technical sheet

 

CHASSIS & BODYWORK

  • 2022 FIA F4 Specification carbon composite monocoque
  • Lightweight carbon fiber bodywork with 50% increase in aerodynamics efficiency
  • Adjustable front and rear wings
  • Weight: 530 kg

SUSPENSION

  • Double wishbone
  • Pushrod adjustable ride
  • Adjustable anti-roll bars

DAMPERS

  • 2-way adjustable dampers

GEARBOX

  • SLR75 Sadev 6-speed sequential gearbox
  • Pneumatic steering wheel paddle-shift system

ENGINE

  • Any homologated F4 FIA engine
  • Max power output: 180 hp optimized per FIA hp/weight rules

BRAKES

  • 4-piston monobloc calipers

SECURITY

  • FIA specification 6-point harness
  • FIA safety removable seat and harness
  • On-board fire suppression system
  • HANS compatible headrest
  • Nose box crash structure
  • Rear attenuator
  • Wheel tethers, 2 per corner
  • Zylon anti-intrusion side panels
  • Cockpit halo bar