LIGIER JS F4

LIGIER JS F4

Originally called Crawford F4, this F4 single-seater was selected by the FIA and SCCA Pro Racing to be the exclusive model in the F4 U.S. Championship since 2016. Its carbon fibre chassis combines speed and safety.

Equipped with a 2-litre Honda engine pushing out 160 bhp, it was renamed the Ligier JS F4 from the 2018 season onwards and an evolution will be added improving driver safety even further. Club racing eligible.

TECHNICAL DETAILS

Chassis and Bodywork
  • 2016 F4 Spec. Carbon Composite Monocoque
  • Front and Rear Roll-Over Structure
  • Anti-Intrusion Side Panels
  • Lightweight Composite Bodywork
  • Adjustable Wings Front and Rear
Dimensions and Weight
  • Width: 1,750 mm / 69″
  • Wheelbase: 2,745 mm / 108″
  • Weight: 570 kg / 1254 lbs
Suspension
  • Double Wishbone, Front and Rear
  • Pushrod Adjustable Ride
  • Adjustable Anti-Roll Bars
Engine (for the F4 US Championship)
  • Honda 2.0 Liter, 160 bhp
 
Gearbox
  • Sadev 6-Speed Sequential
  • Tripod CV Joints
  • Pneumatic Paddle Shift
Fuel System
  • ATL Single 13 US Gallon Fuel Tank
  • Electrical Pick Up Pump in Tank
Steering
  • Rack and Pinion Steering
  • Quick Release Steering Wheel
  • Height Adjustable Column
  • Safety Collapsible Steering Column
Shocks
  • JRI 2-Way Adjustable Dampers
  • Coil Over Dampers
 
Brakes
  • 2 Pot Calipers
  • Tilton Adjustable Pedal Box for Position
  • Cockpit Adjustable Brake Bias
  • Accessible Fluid Reservoirs
Electronics
  • GEMS Performance Electronics
  • LDS3R Display
Safety
  • FIA Spec. 6-Point Harness
  • Front Anti-Intrusion Panels
  • On-Board Fire Suppression System
  • HANS Compatible Headrest
  • Nosebox Crash Structure
  • Rear Attenuator
  • 6KJ Wheel Tethers
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