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Ironman 4x4 1979/10-1983 Toyota Pickup/Hilux Rear Shock Absorber - Nitro Gas Comfort

IRON-12636GRC 2

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Product Description

  • Exceptional performance for both OEM height and lifted 4x4’s
  • Superior ride control and comfort both on and off road
  • Improve stability when towing or carrying a load
Every Ironman 4x4 Shock Absorber features the following:
  • Twin Tube Construction
  • Flexible Rubber Bushings
  • German High Temperature Fluid
  • Multi-Lip High Pressure Seal
  • Re-enforced Welded Mounts
  • Strong & Solid Billet Mounts
  • Dyno Velocity Tested at Factory
Nitro Gas Features
Piston Diameter 35mm (1.378)
Piston Rod 15mm (.59)
Piston Type Teflon
Heavy Duty Inner Tube Yes
Sintered Iron Piston Yes
Seal Multi Lip
High Temperature Yes
Oil 300ml (10.14oz) (Avg)
Oil Volume Yes
Re-Inforced Welded Mounts Yes
H/Duty Rubber Bushings Yes
Single Piece Eye Ring Yes
Rust Inhibitor Finish Yes
3 year/40,000miWarranty Yes
Ironman Shock Absorbers

Each and every Ironman 4x4 shock absorber is tested to ensure each and every shock is performing to Ironman's standards. High quality materials such as German Fuchs High temp shock absorber fluid, Japanese NOK multilip seals are used in every foam cell shock. Each eye and stem mount are held to a strict standard for strength and reliability. Rubber shock absorber bushings are used by Ironman 4x4, this is to promote maximum flex, reduction in unwanted side load and noise vibrations transmitted through the frame which often causes seal failures in other brand shock absorbers using Polyurethane bushings.


Ironman 35mm (1.378) bore Nitro Gas Shocks are the rugged all year round best performing shock. Ironman Nitro Gas Shocks provide exceptional performance for both OEM height and lifted 4x4’s whilst delivering superior ride control and comfort both on and off road, with increased stability when towing or carrying a load.

  35mm (1.378) Shock Body & Piston
Larger than OEM shocks, with increased oil capacity and larger valve surface area Ironman 4x4's Nitro Gas Shocks provide an all round increase in ride quality. Matched with a 54mm outer body, available for all makes and models.
  15mm (.59) Piston Rod
Volumetrically matched to the 35mm (1.378) piston and shock body, provides maximum strength without taking up extra space.
The shock pistons are double chrome hardened to resist damage by scratches and impact.
  Multi-Lip Hi Temp Seal
A feature of all Ironman 4x4 Nitro Gas Shock Absorbers High quality NOK seal features 4 blades to lock in the oil and gas while keeping dust/dirt/mud from entering into the shock.
  Nitrogen Gas Charged
A low pressure shot of Nitrogen Gas is compressed and contained within the Shock Absorber chambers, this pressurizes the oil molecules and helps prevent cavitation, which is commonly refered to as shock fade.
  Nitro Gas Struts
For 4x4 vehicles with IFS (Independent Front Suspension) systems, Ironman 4x4 Struts incorporate all the features of the Nitro Gas version, with the added feature of adding the height adjusting collar ring system.


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