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Ironman Performance Suspension Kit with Foam Cell Shock Absorbers for Mitsubishi Challenger / Montero Sport PA 1998-2006 (leaf springs rear)

This option gives a nominal 40mm lift over factory standard.*

Standard suspension kit with Foam Cell shock absorbers. With this option the ride will be about 20% firmer than factory fit, and suits light to medium loads. This option is recommended for vehicles carrying occasional or temporary heavier loads. Good choice for vehicles that have some accessories fitted.

Kit contains 4 Foam Cell shock absorbers, 2 torsion bars, 2 leaf springs, and all u-bolts and bushes,
and is covered by the Ironman 2-Year 40,000km Ironclad Warranty.

Ironman 4x4 has a complete range of suspension kits, with designs that have evolved over 50 years of suspension experience.

There is no single formula to cover the varying needs of (i) 4x4 owners and (ii) different driving conditions, therefore we offer a wide selection of Ironman 4x4 matched components.

Correct selection and fitment of a suspension kit will match the vehicle's performance to the driver's needs.
Ironman suspension kit types

    How much lift will I get?
  • All Ironman Springs are designed to provide a certain amount of vehicle lift over factory fit for a new vehicle.
    For Leaf Springs expect around 50mm and for Coil Springs expect 40mm minimum.*
  • IFS or IRS (Independent Suspension) equipped vehicles generally lift around 35mm.
  • The nominal lift is included in the description of every kit listed on this site.
  • Ironman 4x4 Suspension can be supplied to suit different driving styles: comfort, performance & constant load (see description below).
* Note however that the lift actually achieved will depend on factors such as engine type (petrol, diesel); the weight of any accessories fitted; the effect of any modifications to the vehicle; vehicle age and condition.

    Nitro Gas or Foam Cell?
  • Ironman Nitro Gas Shock Absorbers with 35mm piston, were developed for the 4x4 owner who drives mostly onroad but still requires enhanced ride, comfort and strength for weekend offroad adventure.
  • Ironman Foam Cell Shock Absorbers with 41mm piston were developed to perform best on 4x4s used in demanding and extended offroad conditions. The Foam Cell Shock Absorber is also versatile, also providing a comfortable ride onroad.

Fitting suspension kits is a specialised job that requires experience and special tools. Incorrect fitment of suspension components can compromise vehicle safety; fitting should only be done by licensed or authorised mechanics/technicians.
All suspension components must undergo a safety check at 500km after fitment.
Types of Ironman suspension kits
Comfort, with Nitro Gas shock absorbers. The Comfort option provides some lift from factory standard; used where comfort is the preference rather than firm control. This design is best suited to light or no-load applications.
Comfort, with Foam Cell shock absorbers.
Performance, with Nitro Gas shock absorbers. With this option the ride will be about 20% firmer than factory fit, and suits light to medium loads. This option is recommended for vehicles carrying occasional or temporary heavier loads. Good choice for vehicles with some accessories fitted.
Performance, with Foam Cell shock absorbers.
Constant Load, with Nitro Gas shock absorbers. This option is the choice for vehicles frequently carrying heavy loads., and is especially suitable when multiple heavy accessories or steel trays/toolboxes are fitted. This option should not be chosen for vehicles that most often carry light or no loads.
Constant Load, with Foam Cell shock absorbers.
Mining Load, with Nitro Gas shock absorbers. Extra heavy duty components are designed to support heavier constant loads, and when heavy accessories are combined with heavy payloads.
Mining Load, with Foam Cell shock absorbers.
Extra Constant Load, Nitro Gas shock absorbers. Same as the Constant Load option, but with heavier spec coil springs.
Extra Constant Load, Foam Cell shock absorbers.
Extra Load Mining, Nitro Gas shock absorbers. This is the heaviest duty option, designed for vehicles that are constantly used for heavy duty mining and related activities, within the vehicle's load specifications.
Extra Load Mining, Nitro Gas shock absorbers.

Brand Ironman

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If you require assistance with parts selection or finding a part, please contact us by phone during office hours or anytime by email (

Our friendly staff are here to help you.

We stock thousands of parts and accessories so if you need something we don't have on site we can add items to the store for you. Just give us a call or email ( with your requirements.
When placing your order please include your vehicle's details (Make, Model, VIN, Month & Year) in the additional info section of checkout or send us an email and we will verify the part/s are correct prior to shipping. 
  Images of parts are for illustrative purposes and may not be identical in appearance between different vehicle and fitment types.


Please email ( or call us 1300 914 450.

Shipping And Deliveries

Most items in our store have free shipping, and we send via a number of carriers based on your location. If you are not at the specified delivery address at the time of delivery then the driver will leave a card. With Australia Post you can usually collect from your local post office, while if the carrier is a company such as TNT, Startrack, Direct Freight you will have to collect from their depot as we DO NOT cover the cost of re-delivery.

We suggest that you provide an address where somebody will be available to sign for the goods during working hours. A street address is required for large items, as deliveries for these cannot be made to Post Office boxes.

We provide FREE insurance with all our items regardless of cost, so all shipments are sent via a signature required service. We can instruct the carrier to leave your order without a signature, but this voids the free insurance and we cannot take responsibility for orders that are lost or stolen either before or after delivery. If you wish to have your item delivered without a signature, please let us know in the comments area during checkout, or send us an email (

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