Universal Lowering Blocks for HOLDEN MONARO HT, HG
IMPROVE GRIP, HANDLING & PERFORMANCE.
Whiteline HT, HG MONARO lowering blocks are engineered to reduce ride height on leaf sprung HT, HG MONAROs, delivering a lower centre of gravity, improved handling and a tougher, more aggressive stance. Installed between the axle and leaf spring, lowering blocks provide a simple, effective and reliable way to achieve the desired height drop with... Read more
Whiteline HT, HG MONARO lowering blocks are engineered to reduce ride height on leaf sprung HT, HG MONAROs, delivering a lower centre of gravity, improved handling and a tougher, more aggressive stance. Installed between the axle and leaf spring, lowering blocks provide a simple, effective and reliable way to achieve the desired height drop without altering spring rate or ride comfort. Built from high strength materials, Whiteline HT, HG MONARO lowering blocks deliver dependable performance whether the goal is sharper handling, better aesthetics or improved weight distribution.
Why Upgrade Suspension
Lowering a leaf sprung HT, HG MONARO offers multiple benefits, especially when done with precision engineered components. Poor quality or worn blocks can lead to:
Incorrect pinion angle
Reduced stability under load
Premature wear on driveline components
Increased axle movement or vibration
Unsafe handling at speed
Whiteline HT, HG MONARO lowering blocks solve these issues by maintaining correct alignment, secure mounting and durable performance.
Why Choose Whiteline
Whiteline HT, HG MONARO lowering blocks are manufactured from high strength, impact resistant materials that resist deformation, corrosion and long term fatigue. Precision machining ensures accurate height reduction and perfect alignment between the axle and spring pack. When paired with Whiteline HT, HG MONARO U bolts, they offer complete security and stability.
Drivers choose Whiteline because lowering performance is smooth, predictable and safe. With Whiteline’s engineering experience behind every component, you get lowered ride height without compromise.
Whiteline HT, HG MONARO Lowering Blocks Range
The Whiteline HT, HG MONARO lowering blocks range includes:
Lowering Blocks High strength, precision engineered blocks designed to safely reduce ride height on leaf sprung vehicles for improved handling and stance.
How Whiteline Improves HT, HG MONARO Dynamics
Lowering blocks improve HT, HG MONARO dynamics by lowering the centre of gravity and enhancing weight distribution. With the rear end positioned lower and more stable, your HT, HG MONARO benefits from:
Improved cornering stability
Reduced body movement
Enhanced handling balance
Sharper steering feel
Better traction and road feedback
This results in a more planted, responsive and confident driving experience.
Installation and Support
Whiteline HT, HG MONARO lowering blocks can be installed by experienced DIY users or professional workshops. Installation requires lifting the axle, inserting the blocks and securing with appropriate HT, HG MONARO U bolts. A post installation alignment check is recommended.
Maintenance and Longevity
Whiteline lowering blocks are built to withstand constant load, heavy use and harsh conditions. They require minimal maintenance and resist corrosion and deformation for long term stability. Whiteline’s warranty backing ensures confidence and reliability.
Who Is Whiteline For?
Whiteline HT, HG MONARO lowering blocks are ideal for:
Drivers wanting a lower ride height on leaf sprung vehicles
Enthusiasts upgrading their stance and handling
Ute owners seeking improved stability and aesthetics
Modified street builds needing reliable height correction
Anyone replacing old, worn or unsafe lowering hardware
If you want a safe, strong and performance focused way to lower your HT, HG MONARO, Whiteline lowering blocks are the perfect upgrade for your HT, HG MONARO.
Shop with Whiteline
Explore the Whiteline lowering blocks range and achieve the perfect balance of handling, stance and durability. Lower your leaf sprung vehicle with confidence using Whiteline.


Suspension Diagrams
Front Suspension
Front Suspension
Rear Suspension
3 items
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Rear Lowering Block - Kit
✅ Fits HOLDEN MONARO HT, HGSKU: KLB101-15 Benefit Note:Whiteline aluminium lowering blocks are the economical and quick way to lower many leaf sprung vehicles. Lowering blocks allow the vehicle's height to be modified, transforming the handling and looks of your vehicle.Rear Lowering Block - Kit
✅ Fits HOLDEN MONARO HT, HGℹ️ 38mm (1.5")Lowering Block - Kit 1.5" Block = 38mm, Pin = 13mm, Hole = 13mm, U Bolt = M12x75mmIn StockShips within 24hrs.Ships within 24hrs.Qty Required 1Kit Contents 2 Blocks, 4 U-Bolts, 4 Washers, 4 Nuts$177.00Fully installed for $507.00within 2 weeksSelect Option To Show Price -
Rear Lowering Block - Kit
✅ Fits HOLDEN MONARO HT, HGSKU: KLB101-20 Benefit Note:Whiteline aluminium lowering blocks are the economical and quick way to lower many leaf sprung vehicles. Lowering blocks allow the vehicle's height to be modified, transforming the handling and looks of your vehicle.Rear Lowering Block - Kit
✅ Fits HOLDEN MONARO HT, HGℹ️ 50mm (2")Lowering Block - Kit 2" Block = 50mm, Pin = 13mm, Hole = 13mm, U Bolt = M12x75mmIn StockShips within 24hrs.Ships within 24hrs.Qty Required 1Kit Contents 2 Blocks, 4 U-Bolts, 4 Washers, 4 Nuts$187.00Fully installed for $517.00within 2 weeksSelect Option To Show Price -
Rear Lowering Block - Kit
✅ Fits HOLDEN MONARO HT, HGSKU: KLB101-25 Benefit Note:Whiteline aluminium lowering blocks are the economical and quick way to lower many leaf sprung vehicles. Lowering blocks allow the vehicle's height to be modified, transforming the handling and looks of your vehicle.Rear Lowering Block - Kit
✅ Fits HOLDEN MONARO HT, HGℹ️ 63mm (2.5")Lowering Block - Kit 2.5" Block = 63mm, Pin = 13mm, Hole = 13mm, U Bolt = M12x75mmIn StockShips within 24hrs.Ships within 24hrs.Qty Required 1Kit Contents 2 Blocks, 4 U-Bolts, 4 Washers, 4 Nuts$237.00Fully installed for $567.00within 2 weeksSelect Option To Show Price
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