The Toughdog RALPH 53mm bore rear shock absorbers are engineered specifically for the iconic Toyota 78 Series LandCruiser, delivering superior load-carrying capability and exceptional ride quality both on highway and off-road. Featuring a larger 53mm bore design for enhanced oil capacity and heat dissipation, these premium shock absorbers are built to handle the demands of heavy touring, towing, and remote outback travel across Australia. Backed by Toughdog's industry-leading warranty and decades of Australian suspension engineering, these shocks are in stock now with fast dispatch nationwide.
Browse all compatible suspension parts for your Rear Ralph 53Mm Bore Shocks 78 Series using our parts finder.
| Make | Model | Series | Years | Engine |
|---|---|---|---|---|
| Toyota | LandCruiser | 78 Series (HZJ78, HZJ79) | 1999-2007 | 4.2L 1HZ Diesel |
| Toyota | LandCruiser | 78 Series (VDJ78, VDJ79) | 2007-Current | 4.5L V8 Turbo Diesel |
Not sure if this fits your vehicle? Our team can confirm exact fitment for your 78 Series LandCruiser configuration including Troopy, dual-cab, and single-cab variants. Browse all suspension parts for the Toyota LandCruiser or reach out via our contact form for expert guidance.
When upgrading your 78 Series rear suspension, shock absorbers work in conjunction with your leaf spring setup. The RALPH 53mm shocks are designed to complement both standard and heavy-duty leaf spring configurations. Consider your constant accessory weight including rear drawers, dual spare wheels, long-range fuel tanks, rear bars, awnings, water tanks, and camping equipment. For vehicles carrying consistent heavy loads over 200kg, pairing these shocks with upgraded heavy-duty leaf springs will deliver optimal ride height and handling performance.
Professional installation is recommended for these rear shock absorbers, though experienced DIY enthusiasts with proper equipment can complete the installation using standard workshop tools. Installation typically takes 2-3 hours for the pair and requires the vehicle to be safely raised and supported. No modifications to chassis or mounting points are required for fitment to 78 Series LandCruisers. A 500km break-in period is recommended to allow seals to bed in and valving to optimize performance. While not always essential for shock-only replacement, a wheel alignment check is advisable if you're also upgrading other suspension components such as suspension components or steering systems.
Toughdog has earned its reputation as Australia's number one 4WD suspension brand through decades of engineering excellence and relentless real-world testing across the continent's harshest environments. Every Toughdog product is designed specifically for Australian conditions and backed by comprehensive warranty coverage, giving you confidence whether you're crossing the Simpson Desert or commuting to the worksite. Trusted by touring enthusiasts, emergency services, mining operators, and tradies nationwide, the Toughdog suspension range represents proven reliability when failure is not an option.
These RALPH 53mm rear shocks are ideal for 78 Series LandCruiser owners who demand serious load-carrying capability and durability - including remote area tourers carrying expedition equipment, tradies with constant heavy tool and materials loads, caravan towers seeking improved stability and control, and outback property owners requiring reliable performance across thousands of kilometres of corrugated station tracks. If you frequently tow heavy loads or carry significant rear cargo, consider complementing these shocks with airbag suspension for adjustable load support and level ride height.
These Toughdog RALPH 53mm rear shocks are in stock at our Australian warehouse with fast dispatch to all metro and regional areas. Whether you're in Sydney, Melbourne, Brisbane, Perth, Adelaide, Darwin, or anywhere across regional Australia, we deliver nationwide. Need help selecting the right suspension setup for your 78 Series LandCruiser? Our experienced suspension specialists are ready to assist. Explore our complete range of lift kits and suspension upgrades for Toyota LandCruisers today.
These Toughdog RALPH 53mm bore rear shocks are specifically engineered to fit Toyota 78 Series LandCruisers including both the 1HZ (1999-2007) and V8 turbo diesel (2007-current) variants. They are compatible with Troopy, dual-cab, and single-cab body configurations. The shocks fit both standard and lifted 78 Series vehicles, working with factory or aftermarket leaf spring setups. If you've made significant modifications to your suspension or chassis, we recommend confirming fitment with our team before ordering.
Shock absorbers themselves do not provide lift height - lift is determined by your spring selection (leaf springs in the case of the 78 Series LandCruiser). These RALPH shocks feature extended travel design to accommodate lifted vehicles typically up to 50mm of rear lift. They work perfectly with standard height vehicles as well as those running aftermarket heavy-duty or raised leaf springs. The shocks provide the damping control and articulation your suspension needs regardless of your chosen ride height.
This product includes a pair (2 units) of Toughdog RALPH 53mm bore rear shock absorbers complete with premium bushings and hardware pre-installed. Each shock is nitrogen gas charged and ready to install with no additional components required. The kit includes comprehensive installation instructions to guide fitment. Note that this kit covers rear axle shocks only - front shock absorbers and any leaf spring upgrades are sold separately and should be selected based on your vehicle's specific requirements.
Absolutely - the RALPH 53mm series is specifically engineered for heavy-duty towing applications common with 78 Series LandCruisers. The larger 53mm bore provides increased oil capacity and superior heat dissipation, essential when towing heavy caravans, camper trailers, or boat packages over long distances. The multi-stage valving automatically adjusts to load conditions, significantly reducing body roll, squat, and sway when under tow. Many customers towing 3+ tonne caravans report dramatically improved stability and control compared to standard shocks.
The 78 Series LandCruiser uses a leaf spring rear suspension system and does not have rear control arms, so no control arm upgrades are required for this shock installation. Control arms are relevant for the front independent suspension found on other LandCruiser models. These rear shocks bolt directly to your existing chassis and axle mounting points with no modifications required. However, if you're also upgrading your front suspension, control arm upgrades may be beneficial depending on your lift height and intended use.
Replacing rear shock absorbers alone typically does not require a wheel alignment as shocks don't directly affect alignment angles on the 78 Series rear leaf spring setup. However, if you're installing these shocks as part of a broader suspension upgrade that includes new leaf springs, shackles, or if you're changing ride height, then a full four-wheel alignment is highly recommended. This ensures even tyre wear, optimal handling, and proper steering geometry. If you're only replacing worn shocks with these new units at the same ride height, alignment is generally not necessary.
The Toughdog RALPH 53mm shocks for the 78 Series come with specific valving engineered for this vehicle's weight, typical load scenarios, and suspension geometry. Unlike some adjustable shock systems, these are non-adjustable with fixed valving optimized for heavy-duty applications. The valving is designed to handle both unladen and heavily loaded scenarios through progressive damping characteristics. If you have extreme specialized requirements, our team can discuss alternative Toughdog options, but these RALPH shocks represent the ideal solution for 95% of 78 Series touring and work applications.
Shock absorbers alone do not create additional tyre clearance - tyre fitment is determined by your vehicle's ride height (controlled by springs), guard clearance, and offset/backspacing of your wheels. These shocks are designed to work with lifted 78 Series setups running larger tyres (typically up to 35 inches with appropriate lift and potentially minor trimming). If you're planning to fit significantly larger tyres, you'll need to pair these shocks with raised leaf springs to achieve the necessary lift height and clearance. The extended travel design of these shocks accommodates the additional suspension articulation that comes with lifted configurations.
Toughdog backs these RALPH 53mm shocks with their comprehensive manufacturer's warranty covering defects in materials and workmanship. The specific warranty period varies by component type and application, typically ranging from 12 months to lifetime warranty depending on the product series and intended use. Warranty claims are handled directly through authorized Toughdog dealers and require proof of purchase and evidence of proper installation. We recommend retaining your invoice and following all installation guidelines to ensure full warranty protection throughout the product's service life.
These RALPH 53mm shocks excel in both on-road and off-road conditions, making them perfect for dual-purpose 78 Series LandCruisers used for daily driving, highway touring, and serious off-road work. The multi-stage valving provides controlled, comfortable damping on sealed roads while maintaining the performance needed for corrugated dirt roads, sand, and rock crawling. Unlike some hardcore off-road shocks that compromise on-road comfort, Toughdog has engineered these to deliver balanced performance across all conditions. Thousands of Australian LandCruiser owners run these shocks as their everyday suspension solution with excellent results.
Perfect upgrade for my work 78
Been running these Toughdog shocks on my 78 Cruiser for about 6 months now, loaded up with tools and gear every day. The ride's heaps better than the old worn-out ones, especially when I'm carrying a full load of building supplies. Fitment was spot on and they've handled some rough country tracks on weekend camping trips without missing a beat.(5)
Massive Improvement on Factory 78 Series Setup
Been running these Toughdog 53mm bore rear shocks on my 78 for six months now, tackling everything from the Simpson Desert to the Canning Stock Route. The difference in loaded ride quality compared to the factory setup is night and day, especially when carrying water, jerry cans and camping gear for extended trips. Fitment was spot-on and they've handled corrugations and creek crossings without any issues whatsoever.(5)
Perfect Upgrade for Our 78 Series Tourer
Finally got around to fitting these Toughdog rear shocks on our 78 Series and the difference is night and day, especially when loaded up with the camper trailer and kids' gear for our trips down the coast. The 53mm bore handles the weight beautifully and we're not getting that awful sag anymore in the back end. Really impressed with the ride quality on corrugated roads – much more controlled than the old worn-out units we had before.(5)
Add your favourites to cart
Log into or create your Afterpay account, with instant approval decision
Your purchase will be split into 4 payments, payable every 2 weeks
All you need to apply is to have a debit or credit card, to be over 18 years of age, and to be a resident of country offering Afterpay
Late fees and additional eligibility criteria apply. The first payment may be due at the time of purchase
For complete terms visit afterpay.com/terms
