A strong nitrogen tank for shocks should match your service setup for cylinder capacity, pressure control, portability, and valve connection; the right choice depends on whether you prioritize shock work or a broader trackside kit. The Source Nitrogen Cylinder from Preece Precision stands out because its listing specifically names shocks and includes a DOT-approved aluminum cylinder, carry handle, protective boot, and CGA580 valve. Other choices offer useful trade-offs: VEVOR lists a 0–600 PSI adjustment feature, while Joes Racing supplies a regulator, gauge, bracket, and hose.
Most of the remaining options are empty cylinders, so buyers must confirm their regulator and filling arrangements. This comparison focuses on documented details only; check that the selected cylinder and equipment match your shock manufacturer’s pressure requirements before use.
The Source Nitrogen Cylinder is the lead choice because its product description explicitly lists shocks among its intended uses, and it pairs a 27 cu ft DOT-approved aluminum cylinder with a protective carry handle, boot, and brass CGA580 valve. If adjustable pressure control is your priority, VEVOR’s 20 cu ft cylinder lists a 0–600 PSI adjustment feature. For trackside tire-pressure work, Joes Racing includes a regulator, gauge, bracket, and hose, but its listing does not specifically identify shock service.
Our Top Picks
Best OverallPreece Precision Source Cylinder
The listing explicitly names shocks, and this 27 cu ft DOT-approved aluminum cylinder includes a carry handle, protective boot, and brass CGA580 valve.
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Adjustable PressureIts valve lists stepless 0–600 PSI adjustment and a 650 PSI relief valve, useful features for buyers prioritizing pressure control.
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Trackside KitThe portable aluminum kit includes a 200 PSI regulator, gauge, bracket, hose, and quick-release chuck, although its description focuses on tire pressure.
View on Amazon- Highest Capacity TMCRAFT 33 Cu Ft Cylinder
Compare Nitrogen Cylinders and Trackside Kits
| # | Product | Package Dimensions | Weight | Buy |
|---|---|---|---|---|
| 1 | 1. Preece Precision Source CylinderBest Overall | 22 x 8 x 8 in | 17 lb | View on Amazon |
| 2 | 2. VEVOR 20 Cu Ft CylinderAdjustable Pressure | — | 10.41 lb | View on Amazon |
| 3 | 3. Joes Racing Nitrogen KitTrackside Kit | — | 17.86 lb | View on Amazon |
| 4 | 4. TMCRAFT 33 Cu Ft CylinderHighest Capacity | 21.7 x 7.8 x 7.5 in | 18.01 lb | View on Amazon |
| 5 | 5. Kegco 33 Cu Ft TankLighter aluminum shop cylinder | 20.3 x 7.63 x 7.27 in | 18.66 lb | View on Amazon |
| 6 | 6. Gancowise 40 Cu Ft CylinderHigh-capacity steel shop cylinder | 24 x 9 x 8.5 in | 29.1 lb | View on Amazon |
| 7 | 7. Generic 20 Cu Ft Steel CylinderCompact steel cylinder for shops | — | 11 lb | View on Amazon |
Detailed Reviews: Best Nitrogen Tank For Shocks

#1 · Best Overall
1. Preece Precision Source Cylinder
- Package Dimensions: 22 x 8 x 8 in
- Weight: 17 lb
Best for: Handled cylinder for mobile service.
Why it ranks #1: The listing explicitly names shocks, and this 27 cu ft DOT-approved aluminum cylinder includes a carry handle, protective boot, and brass CGA580 valve.
A protective carry handle and boot make this 27-cubic-foot aluminum cylinder easier to transport and set down during mobile shock service. It is DOT approved and fitted with a brass CGA580 valve, combining practical handling features with a specified regulator connection; filling details are not stated.
The 27-cubic-foot capacity sits between the 20- and 33-cubic-foot options, offering a middle ground for service calls where carrying a larger cylinder may be inconvenient. Aluminum construction keeps the listed weight to 17 pounds, while the handle and boot provide dedicated transport and base protection. Its brass CGA580 valve gives buyers a clear connection specification to check against their regulator; the supplied facts do not state a service-pressure rating.
- 27 cubic feet of capacity
- 17-pound aluminum cylinder
- Protective carry handle and boot
- Brass CGA580 valve and DOT approval
- No service-pressure rating is provided in the supplied specifications.
Skip it if you need a stated service-pressure rating before choosing; Kegco’s 33 Cu. Ft. cylinder specifies 2216 PSI service pressure.
This suits a mobile technician who values a carry handle, protective boot, and moderate 27-cubic-foot capacity for nitrogen service. Its supplied details omit a service-pressure rating, so that specification may matter when selecting equipment for a particular setup.
Full product details
| Brand | Preece Precision |
|---|---|
| Item Weight | 17 pounds |
| Manufacturer | Preece Precision |
| Package Dimensions | 22 x 8 x 8 inches |
Listed on Amazon as: The Source Nitrogen Cylinder, 27 Cu Ft, DOT Approved Aluminum for Tires, Shocks, HVAC and Plumbing with Protective Carry Handle and Boot
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#2 · Adjustable Pressure
2. VEVOR 20 Cu Ft Cylinder
- Weight: 10.41 lb
Best for: Compact adjustable-pressure cylinder.
Why it ranks #2: Its valve lists stepless 0–600 PSI adjustment and a 650 PSI relief valve, useful features for buyers prioritizing pressure control.
Its built-in 0–600 PSI stepless pressure adjustment lets users set output at the cylinder, while the 20-cubic-foot aluminum body weighs 10.41 pounds. That compact, lightweight combination can suit portable shock work, and the tank includes spare seals; it ships empty and needs filling.
The integrated adjustment avoids relying solely on a separate pressure-control device, and the 650 PSI relief valve provides a stated pressure-safety feature. A one-way check structure and dual seals are specified to reduce backflow and gas leakage, useful details for repeated setup and storage. The aluminum cylinder’s 10.41-pound weight and 20-cubic-foot capacity favor portability over longer gas supply, while its empty shipment means filling remains a separate step.
- 0–600 PSI stepless pressure adjustment
- Built-in 650 PSI pressure relief valve
- One-way check structure and dual seals
- 10.41-pound aluminum cylinder with two spare seals
- Its 20-cubic-foot capacity is smaller than the 33- and 40-cubic-foot cylinders.
Skip it if you need more than 20 cubic feet between refills; Kegco’s 33 Cu. Ft. aluminum cylinder offers greater listed capacity.
This fits a mobile shock technician who values low weight and built-in pressure adjustment over maximum capacity. Check that the 0–600 PSI adjustment range suits the intended setup, and arrange filling locally.
Full product details
| Brand | VEVOR |
|---|---|
| Included Components | 1 x Nitrogen Cylinder, 1 x User Manual, 2 x Spare Seals |
| Item Weight | 10.41 pounds |
| Item model number | RY-133-3694-H-01 |
| Manufacturer | VEVOR |
| Dimensions | 5.24 x 5.24 x 20.67 inches |
| Size | 20 Cu. Ft. |
Listed on Amazon as: VEVOR 20 Cu. Ft DOT Nitrogen Cylinder Aluminum Alloy Air Tank (Ships Empty)
View on AmazonWhy it ranks #3: The portable aluminum kit includes a 200 PSI regulator, gauge, bracket, hose, and quick-release chuck, although its description focuses on tire pressure.
The included 200 PSI regulator, gauge, bracket, hose, and push-button quick-release air chuck make this Joes Racing kit immediately oriented toward pressure adjustments at the track. Its portable aluminum tank is rated at 1800 PSI, but the supplied hose and chuck are specifically described for tire-pressure work.
For race-pit workflow, the bracket and hose keep the listed regulator and gauge together with the tank, while the quick-release chuck supports fast tire-pressure adjustments between sessions. The 200 PSI regulator is distinct from the tank’s 1800 PSI rating, so buyers should consider the supplied output equipment rather than treating tank pressure as shock-fill pressure. The product details emphasize tires, not shock servicing, making the kit’s included hardware a better match for tire work.
- 200 PSI regulator included
- Gauge, bracket, and hose included
- Push-button quick-release air chuck
- Portable aluminum tank rated at 1800 PSI
- The included chuck and hose are described for tire-pressure adjustment, not shock filling.
Skip it if you need a shock-specific regulator or chuck; VEVOR’s 20 Cu. Ft. cylinder lists built-in pressure adjustment and a pressure relief valve.
This suits racers who want a portable nitrogen setup for tire-pressure changes in the pits, with regulator, gauge, bracket, hose, and quick-release chuck included. Its listed use centers on tires, so verify that the included outlet hardware fits your shock workflow.
Full product details
| Brand | Joes Racing |
|---|---|
| Item Weight | 17.86 pounds |
| Item model number | JOE32351-V2 |
| Manufacturer | Joes Racing Products |
| Part Number | JOE32351-V2 |
| Model | Compressed Nitrogen Tank |
| Dimensions | 18.5 x 18.5 x 8.5 inches |
| Additional Information | Important Information Proposition 65 Warning for California Consumers WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
Listed on Amazon as: Joes Racing Products Compressed Nitrogen Tank, Portable, 1800 psi, Regulator/Gauge/Bracket/Hose Included, Aluminum, Natural, Kit
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#4 · Highest Capacity
4. TMCRAFT 33 Cu Ft Cylinder
- Package Dimensions: 21.7 x 7.8 x 7.5 in
- Weight: 18.01 lb
Best for: High-pressure aluminum cylinder.
Why it ranks #4: This DOT-marked 33 cu ft aluminum cylinder supports up to 2216 PSI service pressure and weighs 18.01 pounds, but the listing does not mention shocks.
Its 2216 PSI service pressure and 3694 PSI test pressure give buyers explicit pressure figures for comparing a nitrogen supply with shock-service equipment. The 33-cubic-foot cylinder uses 6061-T6 aluminum alloy and carries a U.S. DOT certification mark, with a CGA-580 valve included.
The 33-cubic-foot capacity provides more stored nitrogen than a 20-cubic-foot cylinder, useful for shops that want fewer refills during repeated service. Its 18.01-pound aluminum construction is described as lighter and more portable than traditional steel, easing transport between work areas. The included CGA-580 valve supplies the stated connection type, while the 2216 PSI service rating and 3694 PSI test pressure help buyers compare the cylinder’s pressure specifications with their regulator and workflow.
- 33 cubic feet of capacity
- 6061-T6 aluminum alloy construction
- 2216 PSI service pressure and 3694 PSI test pressure
- CGA-580 valve included with DOT certification mark
- Ships as a cylinder without listed regulator or hose hardware.
Skip it if you need a complete regulator-and-hose kit; Joes Racing Products’ Compressed Nitrogen Tank includes a regulator, gauge, bracket, and hose.
This suits a shop seeking a 33-cubic-foot aluminum cylinder with explicit service and test pressures for nitrogen work. The listed package includes a valve, not regulator or hose hardware, so account for the rest of the setup.
Full product details
| Brand | TMCRAFT |
|---|---|
| Included Components | valve |
| Item Weight | 18.01 pounds |
| Item model number | NC-33 Cu Ft |
| Manufacturer | TMCRAFT |
| Package Dimensions | 21.7 x 7.8 x 7.5 inches |
| Warranty Description | 1 Year Manufacturer |
Listed on Amazon as: 33 Cu.Ft DOT Nitrogen Cylinder, Aluminum Alloy, CGA-580 Valve
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#5
5. Kegco 33 Cu Ft Tank
- Package Dimensions: 20.3 x 7.63 x 7.27 in
- Weight: 18.66 lb
Best for: Lighter aluminum shop cylinder.
Why it ranks #5: The 33 cu ft 6061-T6 aluminum cylinder weighs 18.66 pounds and supports 2216 PSI service pressure, but its description centers on beverage dispensing.
At 18.66 pounds, Kegco’s aluminum cylinder is easier to move than a steel tank of comparable capacity, making it practical for shops that reposition equipment. Its 33-cubic-foot capacity and 2216 PSI service pressure provide a substantial nitrogen supply, but the tank arrives empty.
The 6061-T6 aluminum body is rust-free and corrosion-resistant, supporting routine handling without the rust concern associated with steel. Its 33-cubic-foot capacity offers more gas than a 20-cubic-foot cylinder, while the 2216 PSI service rating provides the pressure specification to compare with a shock-service regulator. Hydrostatic testing to 3694 PSI adds a stated pressure-test benchmark. Because it ships empty, the buyer still needs a local filling source before use.
- 33 cubic feet of capacity
- 18.66-pound 6061-T6 aluminum construction
- Rust-free, corrosion-resistant material
- 2216 PSI service pressure; hydrostatically tested to 3694 PSI
- Ships empty, so filling must be arranged before use.
Skip it if you want a cylinder with a carry handle and protective boot; The Source Preece Precision 27 Cu Ft lists both handling features.
Choose this for a shop wanting 33 cubic feet in a relatively light aluminum cylinder with a stated high-pressure rating. It is empty on arrival, so plan for local filling and compatible regulator setup.
Full product details
| Item Weight | 18.66 pounds |
|---|---|
| Item model number | ZXI33-580 |
| Manufacturer | Kegco |
| Package Dimensions | 20.3 x 7.63 x 7.27 inches |
Listed on Amazon as: Kegco 33 Cu. Ft. Nitrogen Air Tank – Aluminum Gas Cylinder (empty)
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#6
6. Gancowise 40 Cu Ft Cylinder
- Package Dimensions: 24 x 9 x 8.5 in
- Weight: 29.1 lb
Best for: High-capacity steel shop cylinder.
Why it ranks #6: Its 40 cu ft steel cylinder has a pre-installed CGA580 valve rated for 2015 PSI service pressure, but it ships empty and is not shock-specific.
Its 40-cubic-foot capacity gives shock-service shops a larger nitrogen supply than the 20-cubic-foot options here, while the pre-installed CGA580 valve provides the connection point for a nitrogen regulator. The cylinder is DOT-3AA approved, and it ships empty, so filling must be arranged separately.
The 40-cubic-foot capacity can reduce how often a shop needs to replenish its nitrogen supply during repeated shock work. Its external threads are compatible with nitrogen regulators, and the CGA580 valve supports a service pressure of 2015 PSI, giving buyers concrete connection and pressure details to check against their setup. High-strength alloy-steel construction and corrosion resistance suit demanding shop environments, though its 29.1-pound weight makes handling less convenient than lighter aluminum cylinders.
- 40 cubic feet of capacity
- Pre-installed CGA580 valve with external threads for nitrogen regulators
- 2015 PSI valve service pressure
- DOT-3AA-approved high-strength steel construction
- Ships empty, so it must be filled before use.
Skip it if you need a ready-to-use filled cylinder; this one ships empty and requires a local nitrogen supplier for filling.
This suits a shock shop seeking a 40-cubic-foot steel cylinder with a regulator-compatible CGA580 valve. Account for its 29.1-pound weight, and arrange filling separately before putting it into service.
Full product details
| Brand | Gancowise |
|---|---|
| Included Components | CGA580 Valve, Cylinder Body |
| Item Weight | 29.1 pounds |
| Item model number | GCGT |
| Manufacturer | GANCOWISE |
| Material | Stainless Steel |
| Package Dimensions | 24 x 9 x 8.5 inches |
Listed on Amazon as: 40 Cubic Foot DOT Approved Steel Nitrogen Cylinder with CGA580 Valve(Empty)
View on AmazonWhy it ranks #7: This DOT-approved 20 cu ft steel cylinder has an installed CGA580 valve, but the listing gives no shock-specific features or pressure-control equipment.
The 20-cubic-foot steel cylinder measures 18 inches tall and weighs 11 pounds, giving shops a relatively compact nitrogen option for shock service. Its installed CGA580 valve provides a standard connection point, and DOT approval is stated; the cylinder is intended for inert gas applications.
A 20-cubic-foot capacity can suit occasional shock filling or a smaller work area where a larger cylinder is unnecessary. The installed CGA580 valve means the listed valve is already on the cylinder, simplifying the connection side of setup when paired with suitable equipment. Steel construction and thick painted walls are described for durability in rigorous use, while the 11-pound weight and 18-inch height can make placement easier than bulkier cylinders.
- 20-cubic-foot nitrogen capacity
- CGA580 valve installed
- DOT-approved steel construction
- 11-pound weight and 18-inch height
- Its 20-cubic-foot capacity limits how much nitrogen it holds between refills.
Skip it if you need a larger gas reserve for frequent shock work; Gancowise’s 40 Cubic Foot Steel Nitrogen Cylinder holds twice the listed capacity.
This is a fit for a shop needing a compact steel cylinder with an installed CGA580 valve for occasional shock servicing. Its 20-cubic-foot capacity is the boundary to weigh for frequent or higher-volume use.
Full product details
| Brand | Generic |
|---|---|
| Color | Cranberry |
| Included Components | CGA580 Valve Installed |
| Item Weight | 11 pounds |
| Item model number | 20STEEL-580 |
| Manufacturer | Varies |
| Material | Steel |
| Dimensions | 5.25 x 5.25 x 18 inches |
| Size | 20 cu ft |
Listed on Amazon as: 20 cu ft Steel Nitrogen and Mix Gas Cylinder – CGA580 Valve – DOT Approved
View on AmazonAvoiding pressure and connection mismatches
A tank’s service pressure is not the same as the pressure your shocks require, so do not treat a cylinder rating as a shock charging target. The listed cylinders vary: Kegco and TMCRAFT state a 2216 PSI service pressure, Gancowise lists 2015 PSI, and VEVOR describes an adjustable 0–600 PSI valve with a 650 PSI relief valve. Those figures describe equipment, not a recommended setting for any particular shock.
Confirm the shock maker’s charging instructions and the pressure range of the regulator you plan to use. Also verify the fitting at the shock end: several cylinders specify a CGA580 valve, but that alone does not establish that your regulator, hose, or shock fill tool will connect.
A mismatch can prevent setup or encourage unsafe workarounds; use suitable rated components and follow their instructions.
Empty cylinders require a complete setup
A cylinder arriving empty is only one part of a usable shock-service setup, so plan for filling and pressure control before selecting a tank. Gancowise and VEVOR explicitly say their cylinders ship empty, and the Kegco listing also identifies its tank as empty. The Joes Racing kit is different in that it includes a regulator, gauge, bracket, and hose, but its listed use is tire-pressure adjustment rather than shock charging.
The Source cylinder adds handling features and a CGA580 valve, yet its supplied details do not list a regulator or shock fill tool. Confirm a local supplier can fill or exchange the cylinder, then check the regulator, hose, and shock-side connection you need.
Capacity, a valve, and DOT markings do not by themselves provide a ready-to-use shock charging system.
How to Choose a Nitrogen Tank for Shocks
Shock-service relevance and included controls
Look first for a listing that explicitly connects the cylinder to shock service, then identify what pressure-control equipment is actually included. Preece Precision names shocks and provides a CGA580 valve, carry handle, and boot, but the supplied details do not list a regulator. VEVOR specifies a 0–600 PSI adjustment feature and a 650 PSI relief valve.
Joes Racing includes a 200 PSI regulator, gauge, bracket, and hose, though its description emphasizes tire-pressure adjustment. The cylinder-only options generally list a valve rather than a complete shock setup.
Buyers who want a clearly stated shock-use cylinder should favor Preece Precision; those whose main priority is adjustment features should compare VEVOR’s listing and confirm compatibility.
Capacity and portability
Choose capacity and weight around how often you travel with the cylinder and how much gas your work requires. Listed sizes range from 20 cu ft for VEVOR and the generic steel tank to 40 cu ft for Gancowise; other options include 27 and 33 cu ft. Weight ranges from VEVOR’s 10.41 pounds and the generic steel cylinder’s listed 11 pounds to Gancowise’s 29.1 pounds.
The aluminum cylinders include options around 17–18 pounds, while Preece Precision adds a carry handle and boot. Frequent transport favors lighter aluminum formats and protective handling features; buyers who prioritize stated capacity may prefer the 33 or 40 cu ft cylinders, provided the extra size and weight suit their setup.
Cylinder pressure and valve details
Check the documented service-pressure rating and valve connection against the regulator and filling equipment you intend to use. Kegco and TMCRAFT list service pressure up to 2216 PSI, while Gancowise states 2015 PSI and the Joes Racing kit identifies a 1800 psi tank. Several cylinders specify a CGA580 valve, including Preece Precision and Gancowise; VEVOR instead highlights its adjustable valve’s 0–600 PSI range and relief valve.
These figures are not interchangeable with the pressure required by a particular shock. Buyers whose existing equipment specifies a CGA580 connection should verify the selected cylinder listing and regulator match; those needing a built-in adjustment feature can investigate VEVOR’s details, while confirming the shock’s required operating procedure.
Which nitrogen tank should I choose for shocks?
Choose the Preece Precision Source Cylinder if you want the clearest match to shock work: its listing names shocks and specifies a 27 cu ft DOT-approved aluminum cylinder with a CGA580 valve, handle, and boot. Pick the VEVOR 20 Cu Ft Cylinder if its listed 0–600 PSI adjustment and 650 PSI relief features suit your setup, after confirming pressure and fittings against your shock instructions. For a trackside package that also addresses tire pressure, Joes Racing Nitrogen Kit supplies a regulator, gauge, bracket, and hose, but its listed use is not shock-specific.
Choose TMCRAFT or Kegco for a 33 cu ft aluminum cylinder; consider Gancowise for its 40 cu ft steel capacity. The Generic 20 Cu Ft Steel Cylinder is a basic empty-cylinder option with an installed CGA580 valve.
Frequently Asked Questions
What pressure should I use when charging my specific shocks?
Use the pressure specified by your shock manufacturer for your exact shock and setup. Do not assume one pressure suits all shocks or infer a target from a cylinder’s capacity or regulator range. Check the shock instructions, and contact the manufacturer or a qualified suspension professional if the required pressure is unclear.
Which regulator and hose fittings are compatible with my shock’s fill valve?
Confirm the fill-valve connection and required regulator outlet with your shock instructions before buying or connecting equipment. The listed Joes Racing kit includes a regulator, gauge, bracket, and hose, while the cylinder listings identify CGA580 valves on some products; those details alone do not confirm compatibility with your shock’s fill valve.
Where can I refill a nitrogen cylinder, and what exchange or inspection requirements apply?
Ask a local gas supplier or cylinder-service provider whether it fills or exchanges your specific cylinder and what inspection requirements apply. Policies can vary by provider and cylinder. Verify acceptance before traveling, and check the cylinder’s markings and condition; the product listings do not establish local refill availability or exchange rules.
How much cylinder capacity should I choose?
Choose capacity based on your expected use and the cylinder options listed: the lineup includes 20, 27, 33, and 40 cubic feet. The Source and Preece listings identify shocks among intended uses at 27 cubic feet; VEVOR lists a 20-cubic-foot cylinder, while other options offer 33 or 40 cubic feet.
Are these cylinders ready to use when delivered?
Check each listing’s delivery condition before ordering, because several products are explicitly described as empty or shipped empty. An empty cylinder needs a suitable nitrogen supply before use. Also confirm the valve, regulator, hose, and shock-fill connection you need; included accessories vary, and a cylinder alone may not provide them.
Final Words
For shock work, the Source Nitrogen Cylinder is the clearest lead choice because its listing explicitly names shocks and includes a CGA580 valve, handle, and boot. Choose the VEVOR if its listed pressure-adjustment features suit your setup and your shock instructions confirm the pressure and fittings. For trackside tire-pressure work, consider the Joes Racing kit, noting that its listing is not shock-specific.
Verify refill access and delivery condition before ordering.


