Air Shocks

Developed originally for competitive rock crawling buggies where extreme axle articulation means everything. Terrafirma’s new 2.5” Air shocks support the weight of the vehicle, provide infinite ride height adjustability and allow massive articulation for custom vehicle builders. No more problems with coil springs dislocating or becoming coil bound restricting wheel movement. With 16” of travel the Terrafirma Air shock provides ample axle movement even for the most extreme off road competitors. The ride quality experienced with air shocks is exceptional, combined with Terrafirma hydraulic bump stops obstacles and extreme terrain can be attacked like never before.

The Terrafirma Air shock is super strong 2.5” (66mm) diameter and uses a massive 1.625” (40mm) hard chromed highly polished piston shaft with the latest technology valving and seals. Air shocks are charged with high pressure Nitrogen, factory set at 150psi and adjustable between 100 and 400psi depending on the weight of the vehicle and preferred ride height.

Adjustable between 100 and 400psi and factory set ready to fit 150psi

Terrafirma Air shocks are designed to be mounted vertically with the shaft at the bottom for optimum performance.

Features include:

  • Zinc plated for bright long lasting finish with striking blue anodised machined alloy fittings.
  • 5/8 (16mm) diameter 1.5” (38mm) wide spherical bearing mounting eyes
  • Multi stage valving
  • High pressure Nitrogen charged
  • High temperature 5W premium quality shock fluid
  • Adjustable between 100 and 400psi, factory set at 150psi for immediate fitment
  • Factory set oil level at 650ml
  • 3mm wall thickness


It is possible to fine tune the air shocks performance to very precisely suit a given application by adjusting the oil volume and the Nitrogen pressure. For the Terrafirma air shock we have assumed an average setting based on vehicles ranging between 2000 and 3000kg.

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