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| Customization: | Available |
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| Processing Object: | Metal |
| Molding Style: | Forging |
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1. Made of high quality steel FROGED Process for more stronger and durable.
2. Manufacturing process: Forged -Drilling-High precision broach tool forming Sandblasting
baking paint.
3. Our keys with forged manufacturing process for long life and corrosion resistance not
casting in the market.
4. Power coated finished.
5. 1" - 3" Lift Leveling Kit.
6. Torsion Keys are Constructed from quality Carbon Steel.
7. Levels vehicle and eliminates vehicle rake.
8. Welcome your pattern manufacture, just please contact us directly.
Just one sample or drawing we need if any fabrication special work ,we can make the complete good quality product with any surface finish at competive price, as per your special requirment.
| Features: Forged Steel Torsion Key |
| 1) Materials: carbon steel, Alloy steel etc. |
| 2) Standard: JIS, DIN, ASTM, BS |
| 3 ) Surface treatment: Zinc Plating, Hot dipped galvanizing, Powder coating, Painting, Shoot blasting etc. |
| 4) Weight: 0.1 -100kg |
| 5) Processes : Forging, CNC Machining. |
| 6) Manufacturing equipments: three die-forging product lines (3 ton stamp forging hammer product line, 1000 ton friction product line, 1250 ton press product line), various loose hammers and cylinder parts , automatic control ring forging machine, heat treatment cellar, digital control fibre natural gas car furnace, standing machine tool, machine tools, standing miller, standing drill machine, bench drill machine ,CNC machining centre etc |
| 7) Testing equipment: Supersonic inspection machine, Supersonic flaw detecting machine , physics and chemical analysis. |
| 8)Services |
| a) Also can design and manufacture forged according to the customers' requirement |
| b) ISO9001 quality control and inspection |
| c) In house & Third Parties |
| d) Ordering and warehousing |
| 9)Packing: Wooden cases or according to customers' needs |
1: Shrink film+ bulk loading
2: Shrink film +Carton box + Pallet/ wooden case
3: PP + Wooden case
4: As per customers' requirements or negotiated
1. What is a Forged Torsion Bar Key and what does it do?
A Forged Torsion Bar Key is a critical, high-strength suspension component used primarily in 4x4 trucks and SUVs with independent front suspension (IFS). It replaces the factory indexing arm or adjusting bolt. By rotating this forged key, you re-index the torsion bar, effectively pre-loading it to raise the vehicle's front ride height. It is the core component of most torsion bar lift kits.
2. What is a Torsion Bar Suspension Lift Kit?
A Torsion Bar Lift Kit is a system designed to increase the ground clearance and ride height of a vehicle equipped with front torsion bar suspension. A typical kit includes:
Forged Torsion Bar Keys (Left & Right) - to raise the front.
Rear Lift Components - such as add-a-leaf springs, block kits, or shackles to level or raise the rear.
All necessary Grade 8 hardware (bolts, nuts).
Sometimes includes: Extended brake lines, shock relocation brackets, or differential drop kits for optimal performance and safety.
3.What is your lead time?
In-stock Items: 7-10 working days for shipping.
Production Order: 20-30 working days.
Custom OEM Order: 30-45 working days after final specifications.
4. What is the difference between a "Forged" key and a "Cast" key?
This is crucial for safety and durability:
Forged Key (Our Standard): Made from high-grade alloy steel (e.g., 4140) heated and shaped under immense pressure. This process aligns the grain structure, resulting in a part that is stronger, more impact-resistant, and less likely to crack or fail under the extreme stress of a lifted suspension.
Cast Key: Made by pouring molten metal into a mold. Can have microscopic pores and a less optimal grain structure, making it more brittle and prone to catastrophic failure. We manufacture only forged keys for safety and reliability.
5. How much lift does your kit provide?
Lift amount varies by vehicle and kit configuration:
Front Lift (via Keys): Typically provides 1.5 to 3 inches of lift, depending on how much the torsion bar is re-indexed.
Important: Lifting beyond the factory design limits (often around 2-2.5") can lead to premature wear on CV axles, ball joints, and tie rods. It may require additional components like upper control arms to correct alignment and restore proper suspension geometry.
Rear Lift: Kits are designed to match the front lift for a level stance or provide additional rake.
6. Can I install this kit myself?
Installation requires moderate to advanced mechanical skill, proper tools (jack, jack stands, torque wrenches, pickle fork/BJ tool), and an alignment afterward.
Basic Process: Jack up the vehicle, support it securely, unload the torsion bar by loosening the factory bolt, remove the stock indexing arm, install the new forged key, re-tension the torsion bar to achieve desired height, then install rear components.
We strongly recommend following a detailed vehicle-specific guide and getting a professional wheel alignment immediately after installation.
7. Will I need additional parts after lifting?
For a safe and proper lift, you may need:
Alignment Camber/Caster Kit: To allow for proper alignment after lifting.
Aftermarket Upper Control Arms: Highly recommended for lifts over 2" to restore proper ball joint angles and suspension travel.
Extended Brake Lines: To prevent line strain at full droop.
Shock Extensions or Longer Shocks: To match the new suspension travel.
Differential Drop Kit: To reduce strain on CV axles and differential bushings (for some models).
8. What is the load capacity and towing capability after the lift?
A properly installed torsion key lift does not inherently increase payload or towing capacity. The vehicle's Gross Vehicle Weight Rating (GVWR) remains the same.
Potential Impact: If the lift is achieved by simply cranking up the torsion bars excessively, it can lead to a harsher ride and reduced suspension travel, potentially affecting handling when towing or hauling.
For Heavy Towing/Hauling: Consider supplemental systems like helper springs or air bags for the rear.
9. What are your keys made from and how are they finished?
Material: Heat-Treated Chromoly Steel (4140) for maximum strength.
Manufacturing Process: Hot Forging followed by CNC machining for precision.
Finish: Black Oxide or Zinc Plating for corrosion resistance. Some models feature a red or blue powder-coated finish.
10. What is your MOQ (Minimum Order Quantity)?
Standard Lift Kits (per vehicle model): MOQ 50 sets.
Forged Keys Only: MOQ 100 pairs.
Custom/OEM Manufacturing: MOQ 500 pieces (negotiable).
If there's anything we can help, please feel free to contact us.
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