1. Car/Truck Lift Kits Used Deals
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  3. ONCARMOTOR 12608057

12608057 ONCARMOTOR Rear Blocks Leveling Lift Kit 1500 2WD

fits model: 1500, 2wd, 4wd, Sierra. make: Gmc. year: 1999–2024.

12608057 ONCARMOTOR Rear Blocks Leveling Lift Kit 1500 2WD
Item Specifics
BrandONCARMOTOR
Manufacturer Part Number12608057
Part TypeBLOCK LIFT
Fitment TypeDIRECT REPLACEMENT
Placement On VehicleREAR, LEFT, RIGHT
Warranty1 YEAR
Included HardwareMOUNTING HARDWARE
AdjustableNO
Ipn1999-2024 1500 2WD 4WD
MaterialSTEEL
Items Included2X REAR BLOCKS, 4X U-BOLTS
Lift Height3 REAR
NoteREAR LIFT HEIGHT VARY DEPENDING ON FACTORY BLOCK
Length Of U-bolt285MM
Drive2WD 4WD

Review ONCARMOTOR Inch Rear Blocks Leveling Lift Kit For Gmc for GMC SIERRA 1500 2WD 4WD 1999–2024

Introducing the Oncar Motor 12608057 Rear Blocks Leveling Lift Kit, specifically designed for the 1999-2024 GMC Sierra 1500 2WD and 4WD. This lift kit is a must-have for those seeking to enhance their vehicle's off-road capabilities and improve its overall appearance.

The Oncar Motor Leveling Lift Kit consists of heavy-duty, high-quality rear blocks. These blocks are meticulously engineered to provide a level riding height, ensuring that the front and rear axles are aligned properly. With this leveling effect, the vehicle's cab remains level while carrying heavy loads or towing trailers, enhancing safety and stability on the road.

These rear blocks are manufactured using premium materials, ensuring maximum durability and resistance to wear and tear. They are designed to fit perfectly on the 1999-2024 GMC Sierra 1500 2WD and 4WD models, providing a seamless installation process. The kit includes all necessary hardware for installation, making it a convenient and hassle-free solution for vehicle owners.

The Oncar Motor Leveling Lift Kit not only improves the performance of your GMC Sierra 1500 but also adds an aggressive and distinctive look to your vehicle. The increased ground clearance provided by the lift kit allows for larger wheels and tires to be installed, giving your truck a more rugged and menacing appearance. This upgrade is perfect for those who want to take their truck off the beaten path and tackle more challenging terrain.

In summary, the Oncar Motor 12608057 Rear Blocks Leveling Lift Kit is a high-performance, heavy-duty solution for enhancing the off-road capabilities of your 1999-2024 GMC Sierra 1500 2WD and 4WD. It provides a level riding height, ensures safety and stability, and gives your truck a more aggressive appearance. With its precision engineering, premium materials, and easy installation, this lift kit is an excellent investment for any GMC Sierra 1500 owner seeking to upgrade their vehicle.

The ONCar Motor 12608057 rear blocks leveling lift kit is designed for 1999-2024 GMC Sierra 1500 2WD and 4WD models. This lift kit aims to provide improved off-road capability and a more leveled look for your vehicle. Let's examine the potential pros and cons of investing in this lift kit:

Pros:

1. Enhanced Ground Clearance: With the ONCar Motor leveling lift kit, you can expect to gain approximately 2 inches of ground clearance at the rear end, allowing you to tackle more challenging off-road terrain with ease.

2. Leveled Look: This lift kit ensures that the front and rear heights of your Sierra 1500 are equal, resulting in a more balanced appearance.

3. Improved Suspension Performance: The ONCar Motor kit utilizes high-quality components designed to improve the overall performance of your vehicle's suspension system.

4. Easy Installation: According to the manufacturer, the installation process for this lift kit is relatively straightforward and can typically be completed in a few hours with basic hand tools.

5. Wide Compatibility: This lift kit is compatible with a broad range of wheel and tire sizes, allowing you to customize your vehicle to suit your specific off-road needs.

Cons:

1. Cost: Lift kits can be a significant investment, and the ONCar Motor 12608057 rear blocks leveling lift kit is no exception. The cost of this kit may not be within everyone's budget.

2. Potential Impact on Ride Comfort: Lift kits can sometimes affect the ride comfort of your vehicle, particularly on rough roads or during everyday driving. However, the ONCar Motor kit is designed to minimize this impact.

3. Potential Impact on Fuel Economy: Lifted vehicles may experience a slight decrease in fuel economy due to increased weight and aerodynamic drag. This can result in additional fuel costs over time.

4. Potential Impact on Towing Capacity: Depending on the specific tire and wheel setup, a lift kit may impact your vehicle's towing capacity. It is essential to consult the manufacturer's guidelines and perform the necessary calculations before installing the kit.

Conclusion:

The ONCar Motor 12608057 rear blocks leveling lift kit for 1999-2024 GMC Sierra 1500 2WD and 4WD offers several benefits, including enhanced ground clearance, improved off-road capability, and a more leveled appearance. However, it also comes with potential drawbacks such as increased cost, potential impact on ride comfort, fuel economy, and towing capacity. Ultimately, the decision to invest in this lift kit depends on your specific off-road needs, budget, and preference for ride comfort versus off-road performance.

Recommendation:

If you frequently engage in off-road activities and are willing to invest in a lift kit to enhance your vehicle's performance and appearance, the ONCar Motor 12608057 rear blocks leveling lift kit may be an excellent choice for you. However, if you prioritize ride comfort and fuel economy, or if the cost of the kit is a concern, it may be worth considering alternative options or waiting until you can afford the investment.

Details:

Includes 4 square 11.22 long u-bolts. Function of leveling lifting kit. Increasing the height of four-wheel drive gives you more clearance underneath, better approach, departure, and ramp angles; you can also install larger tires if wish. New list item.

Make sure this is the right accessory for your vehicle. Vehicle fitment information: for 1999 -2024 Chevrolet Silverado 1500 2WD 4WD. For 1999 -2024 Gmc Sierra 1500 2WD 4WD. Placement on vehicle: rear.

Includes 2 rear lift blocks. Leveling lift kit.

specifications liftkitsparts:

  • for models: 1500, 2wd, 4wd, Sierra
  • for makes: Gmc
  • for years: 1999–2024
  • brand: Oncarmotor
  • mpn: 12608057
  • part type: Block Lift
  • fitment type: Direct Replacement
  • placement on vehicle: Rear, Left, Right
  • warranty: 1 Year
  • included hardware: Mounting Hardware
  • adjustable: No
  • ipn: 1999-2024 1500 2wd 4wd
  • material: Steel
  • items included: 2x Rear Blocks, 4x U-bolts
  • lift height: 3 Rear
  • note: Rear Lift Height Vary Depending On Factory Block
  • length of u-bolt: 285mm
  • drive: 2wd 4wd

shipping liftkitsparts:

  • transit: 3-8 days
  • type: fixed
  • class: standard
  • service: standard

seller liftkitsparts:

  • # reviews: 2407
  • rating: 98.5%
  • city: ontario, california

offer liftkitsparts:

  • sold #: 8
  • availability: in stock
  • in stock #: 1
  • best offers: true
  • started: april 8, 2026
  • options: ship-to-home
  • price: $45.22
  • item condition: New

general liftkitsparts:

  • category: Auto Parts > Chassis, Suspension Brakes > Lift Kits

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  • time: 30 days
rating: 98.5% out of 100 based on 407 user ratings.
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