The Dobinsons 2" IMS Quick Lift Kit suits the Holden Colorado RG (2012-on) and pairs pre-assembled IMS monotube front struts with nitrogen gas rear shocks for a bolt-in 2" lift, front and rear. The quick-strut design means the front units arrive fully assembled with 2" raised coil springs — no need to strip down your factory struts on the bench. Extended greasable shackles lift the rear leaf pack while retaining the factory leaf springs for a known ride and load rating. In stock in Australia now, backed by a Dobinsons manufacturer warranty and fitment support from our lift kit team.
Browse all compatible suspension parts for your 2" Ims Quick Lift Kit Holden Colorado Rg using our parts finder.
| Make | Model | Series | Years | Engine |
|---|---|---|---|---|
| Holden | Colorado | RG | 2012-ON | 2.8L Duramax Turbo Diesel |
Check every part suitable for your ute via our parts finder for the Colorado RG. Not sure if this fits your vehicle? Contact our suspension experts or check our FAQ page.
This IMS Quick Lift Kit uses the factory leaf spring rate at the rear, lifted via extended shackles rather than a stiffer aftermarket leaf pack. If you regularly carry a canopy, drawers, water tank or tow a van, ask our team about pairing this kit with an upgraded leaf spring or a rear airbag suspension assist to manage constant accessory load. Front spring rate is fixed within the IMS strut assembly, so tell us your typical bull bar, winch and driving light load before ordering.
Fitment requires basic mechanical knowledge and standard hand tools; the pre-assembled quick struts remove the need for a spring compressor, but we still recommend an experienced installer or 4WD workshop handle the shackle and strut swap. A wheel alignment is mandatory once the kit is fitted, as ride height and castor angle change with the 2" lift. Allow a 500km break-in period for the new shocks and shackle bushes to settle before fine-tuning tyre pressures and alignment. Consider pairing this kit with upgraded control arms to correct front geometry and CV angles at ride height.
Dobinsons has designed and valved suspension in Australia for decades, tuning its IMS and MRA ranges specifically for local roads and conditions rather than importing generic off-the-shelf settings. Each kit is backed by a Dobinsons manufacturer warranty on the shocks, giving you a documented remedy if a damper fails outside of normal wear. Tradespeople and grey nomads alike run Dobinsons gear because the componentry is sold as a fully specified kit, not a mix of unmatched parts — view the full Dobinsons range.
This kit suits Colorado RG owners after a straightforward 2" lift for tyre clearance and stance, without moving to a fully adjustable remote-reservoir setup. It's a solid fit for tradies wanting extra underbody clearance and tourers running a bull bar and driving lights. If you're carrying a heavier constant load — canopy, tray, or camper — talk to us about adding airbag suspension to the rear leaf pack for load levelling.
This kit is in stock now for Australia-wide dispatch, with our team on hand to confirm fitment before you order — browse our full lift kit range or get in touch for tailored advice on your Colorado RG.
Colorado sagging or riding rough? Read our guide to common Colorado suspension problems and fixes.
Yes, this Dobinsons IMS Quick Lift Kit is built specifically for the Holden Colorado RG produced from 2012 onward. It's designed around the RG's factory front strut mounts and rear leaf spring shackle points, so no cutting or drilling is required. If you have a modified or already-lifted RG, contact our team to confirm your current setup before ordering. We recommend checking your build date against our parts finder for the Colorado RG to be certain.
This kit delivers a 2" lift at the front, via the pre-assembled IMS quick strut with raised coil spring, and a matching 2" lift at the rear from the extended greasable shackles. The lift is measured at normal static ride height with no additional load. Actual ground clearance gain can vary slightly depending on tyre size and vehicle load.
Please note that all assembled struts are dispatched at a height based on our experience and the manufacturer’s specifications for the advertised lift. Coil springs and leaf springs are also manufactured according to the advertised height and constant-load rating. Actual vehicle height may vary depending on the vehicle and the weight of fitted accessories. Further adjustment may therefore be required after installation. The installer may use coil spacers or adjust the struts at their discretion to achieve the desired height. We are not responsible for vehicle-specific height variations or any additional adjustments required after installation.
The kit includes 2 x Dobinsons IMS Quick Strut front assemblies with 2" raised coil springs already fitted, 2 x Dobinsons IMS nitrogen gas rear shock absorbers, and 2 x extended greasable shackles for the rear. Mounting hardware and bushes for both the front struts and rear shackles are included, along with fitting instructions. Upper control arms and a front diff drop kit are not included and are sold separately if required.
The rear suspension in this kit retains the factory leaf spring rate, lifted via extended shackles, so load capacity is essentially unchanged from standard. If you tow regularly or carry a constant heavy load, ask our team about pairing this kit with an upgraded leaf spring or adding rear airbag suspension to manage sag and maintain ride height under tow.
Control arms aren't included in this kit and aren't strictly mandatory at a 2" lift for most Colorado RG owners. However, upgraded control arms can improve castor correction and CV joint angles at ride height, particularly if you're also fitting larger tyres. Our team can advise whether your specific use case — daily driving versus regular off-road work — warrants the upgrade.
Yes, a wheel alignment is mandatory after installing this kit. The 2" lift changes ride height, castor and camber angles at both the front struts and rear axle position, so an alignment is needed to restore correct tyre wear patterns and steering feel. We recommend booking the alignment immediately after fitment, before extended driving.
The front spring rate is fixed within the IMS quick strut assembly, so it isn't user-selectable on this particular kit. The rear relies on your factory leaf spring rate, lifted via the extended shackles rather than a stiffer pack. If your Colorado RG carries a heavier constant load, speak with our team about alternative leaf spring or airbag options to suit.
A 2" lift on the Colorado RG typically allows clearance for a moderate tyre size increase over factory, though exact clearance depends on wheel offset and width. If you're planning a larger tyre diameter, a front diff drop kit is often recommended alongside this lift kit to correct driveline angles. Contact our team with your intended tyre size so we can confirm clearance for your specific setup.
This kit is backed by a Dobinsons manufacturer warranty covering the shock absorbers against manufacturing defects. As an Australian-based supplier, 4WD Suspension also provides fitment support and can assist with any warranty claims directly. Keep your proof of purchase and fitment date for warranty reference.
Yes, this IMS Quick Lift Kit is designed to retain a comfortable on-road ride while adding 2" of clearance for light off-road and touring use. The monotube shock design is tuned to avoid the harsh, jarring ride that some aftermarket lift kits introduce on sealed roads. Most Colorado RG owners run this kit as their everyday setup, using it for both commuting and weekend touring.
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