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Rm 701, 466 Yindu Rd, SH, CN

UTV, ATV & Performance Suspension Manufacturing

Custom Upper & Lower Control Arms Manufacturer

SYZ Machine is an A-arm manufacturer for ATV, UTV, SXS and side-by-side control arms programs, supplying custom 4130 chromoly upper and lower A-arms for off-road, racing, and performance suspension brands. Build your control-arm range with TIG-welded tube arms, matched ball joints, bushings, rod ends, high-clearance geometry, finish options, and retail-ready packaging.

✓Can-Am Maverick X3 and Polaris RZR program references
✓Drawing, CAD, sample, or OE-reference development
✓4130 chromoly, DOM steel, aluminum, and custom material review
✓Ball joints, rod ends, spherical bearings, bushings, and hardware kits
Request Factory Quote View Control Arm Programs
Factory Production Video | Tube Processing | Welding | Suspension Components
4130
Chromoly A-Arm Programs
0.095-0.156 in
Tube Wall References
Upper+Lower
Front Arm Configurations
24h
Target RFQ Response
Representative Programs

ATV Control Arms, UTV/SXS A-Arms And Custom Suspension Components

These examples show ATV control arms, ATV upper A-arms, custom upper control arms, custom lower control arms, side-by-side A-arms, SXS control arms, custom A-arms, and related suspension component programs that can be reviewed for distributor, brand, and custom replacement ranges. Confirm model year, trim, geometry, and interface dimensions before sampling.

Upper A-ArmCan-Am Maverick X3 front upper control arm

Maverick X3 Front Upper A-Arm

For 72 in Can-Am Maverick X3 | Front upper left and right

TIG-welded 4130 chromoly steel tubing with matched ball joints and bushings for a complete upper arm program.

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Lower A-ArmCan-Am Maverick X3 front lower control arm

Maverick X3 Front Lower A-Arm

For 72 in Can-Am Maverick X3 | Front lower left and right

Lower control-arm reference using TIG-welded 4130 chromoly tubing, ball joints, and bushings for high-load front suspension positions.

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Upper A-ArmPolaris RZR Pro XP front upper control arm

RZR Pro XP Front Upper A-Arm

For Polaris RZR Pro XP | Upper control arm

Representative upper control-arm program with 4130 chromoly tube construction and coordinated wear components.

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Lower A-ArmPolaris RZR Pro XP front lower control arm

RZR Pro XP Front Lower A-Arm

For Polaris RZR Pro XP | Lower control arm

Lower arm reference for RZR Pro XP programs. Confirm exact trim, suspension package, mounting points, and clearance requirements.

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High ClearancePolaris XP 1000 high clearance lower control arm

Polaris XP 1000 High-Clearance Lower Arm

High-clearance lower control arm reference

Useful reference for programs where ground clearance, axle protection, and obstacle avoidance are key design targets.

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CustomCustom automobile control arm upgrade

Custom Automobile Control Arm Upgrade

Off-road, performance car, ATV and UTV applications

Custom lengths, mounting types, high-strength steel or chromoly material, anti-corrosion finish, logo, and packaging can be reviewed.

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SYZ Machine control arm fabrication and component display
Upper vs Lower Arms

Choose Upper Or Lower Control Arms Before Finalizing Geometry

Upper Control Arm

The upper arm connects the upper wheel hub or knuckle interface to the chassis. In high-clearance UTV builds, upper arm geometry can influence wheel travel angle, joint angle, and clearance around the shock, tire, and chassis.

Lower Control Arm

The lower arm usually carries more suspension load. A stronger lower arm, such as a 4130 chromoly tube design with a suitable wall thickness, helps resist deformation from impact, landing load, and hard cornering.

For custom upper control arms and custom lower control arms, define the arm position first. Then confirm clearance, travel, bushing width, ball-joint interface, and service parts as a matched suspension set.

Engineering & Sourcing Brief

Define Geometry, Load Path And Service Parts Before Quotation

After the target upper or lower arm position is clear, the next step is defining the complete suspension requirement. A properly specified control arm connects the chassis-side pivots to the wheel-side hub or steering knuckle, controls wheel movement through the suspension arc, and must work with the shock, axle, wheel offset, ball joint, bushing, and steering geometry. For UTV, ATV, SXS, side-by-side, and custom automotive control arms supplier programs, arm shape, tube layout, joint angle, bushing width, ball-joint taper, and clearance are reviewed together before sampling.

SYZ Machine can manufacture to approved drawings, CAD data, jig dimensions, physical samples, or OE references. For custom high-clearance or long-travel programs, final fitment and vehicle-level validation should be confirmed on the exact platform.

What Buyers Usually Need

  • Custom upper control arms and custom lower control arms for UTV, ATV, SXS, side-by-side, off-road, racing, and performance vehicles
  • Matched ball joints, bushings, rod ends, spherical bearings, spacers, and mounting hardware
  • 4130 chromoly or DOM steel tube options with controlled bending, cutting, welding, and finishing
  • Powder-coated color, corrosion protection, logo, retail packaging, barcode, and kit contents
  • Custom lengths, mounting types, high-clearance shapes, and OEM/ODM production support from experienced control arm manufacturers
Manufacturing Scope

What Can Be Built Into A Control Arm Program

Use this manufacturing scope to define construction options before sampling. Final choices depend on the application, geometry, material, finish, service-part strategy, and commercial requirements.

01

Tube Arm Construction

4130 chromoly and DOM steel tube programs can be reviewed with 0.095, 0.120, and 0.156 inch wall references where suitable for the design.

02

CNC Cutting & Bending

Tube cutting, bending, curve cutting, wire cutting, jig control, and fixture-based assembly support repeatable arm geometry.

03

TIG Welding & Inspection

Welded assemblies can be checked for dimensional accuracy, weld appearance, mounting points, and batch consistency before shipment.

04

Kit-Level Supply

Arms can be quoted with ball joints, rod ends, spherical bearings, UHMW or polyurethane bushings, spacers, brackets, and hardware.

Batch Customization Flow

Easily Batch-Customize Control Arms From Sample To Production

For custom A-arms and ATV control arms, controlled inputs help the project move from sample review to repeatable geometry, kit contents, finish, packaging, and shipment requirements.

01

Send Drawings Or Samples

Share CAD, drawings, OE references, sample photos, target ATV upper A-arms or lower arm position, mounting dimensions, material preference, and order quantity.

02

Confirm Geometry And Kit Contents

Review pivot spacing, ball-joint taper, bushing width, rod end or spherical bearing options, the 0.120 in wall reference, and a 1/8 in DOM steel option where suitable.

03

Sample And Batch Production

After sample approval, TIG-welded tube construction, fixture checks, finish color, labels, packaging, and matched hardware can be prepared for batch orders.

Fabrication Flow

How We Build Custom Control Arms

After geometry and kit contents are confirmed, production moves through controlled material selection, cutting, bending, fixture setup, welding, finishing, and inspection.

01

Material Selection

Choose 4130 chromoly, DOM steel, high-strength steel, aluminum, or other options based on approved strength, weight, weldability, finish, and budget targets.

02

CNC Cutting & Bending

Tube dimensions, bend positions, cut angles, and profile details are controlled from drawings, CAD, jig data, or approved samples.

03

Fixture & TIG Welding

Jig and fixture control supports repeatable geometry, while TIG welding is used for clean welded assemblies in chromoly control-arm programs.

04

Powder Coating

Standard black or custom colors can be discussed with corrosion-protection, branding, and batch appearance requirements.

05

Inspection & Packing

Arms are checked for key dimensions, weld appearance, mounting interfaces, kit contents, label requirements, and shipping readiness.

Workshop References

Tube Processing, Welding And Fixture Work In One Program

For custom control arms, buyers often need more than one process. The program may involve tube cutting, tube bending, curve cutting, wire cutting, welding, jig control, and final inspection before parts are packaged with service components.

  • Tube cutting and bending for repeated arm geometry
  • Fixture-controlled welding and dimensional inspection
  • Ball joint, bushing, bearing and hardware coordination
  • Packaging and catalog support for distributor ranges
Tube cutting process for custom control arms Tube bending machine for custom control arms Welding process for control arm fabrication Jig and fixture for control arm fabrication
Matched Components

Specify The Wear Components Around The Welded Arm

A control-arm program is easier to install, service, and sell when the wear parts and linkage hardware are defined together with the welded arm.

ComponentAvailable Program NotesWhy It Matters
Ball Joints4130, 4340, and 300M ball-joint references; Can-Am, Polaris, CFMOTO, Honda, Yamaha and custom sizes can be reviewed.Controls articulation at the knuckle interface and directly affects steering response, suspension travel, and service life.
BushingsUHMW, rubber, polyurethane, and custom-engineered bushing options for ATV/UTV suspension systems.Supports controlled movement at the pivot while reducing play, noise, vibration, and wear.
Rod Ends & Spherical Bearings4130, 4340, stainless steel, bearing steel and custom linkage hardware can be paired with arm or rear suspension kits.Useful for adjustable linkages, racing suspension, radius rods, and custom conversion programs.
Spacers & HardwareSpacers, brackets, mounts, jam nuts, inserts, tube adapters, and mounting hardware can be developed as matched kit contents.Reduces mismatch risk and makes distributor kits easier to package, stock, and support.
Finish & PackagingPowder-coated black or custom colors, corrosion-resistant finishes, logo, carton labels, barcode and retail kit packaging.Supports brand programs where the part must be production-ready and shelf-ready, not only technically correct.
Related Components & Catalog Support

Build A Complete Suspension Component Range

When your control-arm range also needs ball joints, rod ends, spherical bearings, or bushings, SYZ Machine can review the connected service parts as part of the same supply program.

Ball joint references for custom control arm kits
01

Ball Joints

4130, 4340, 300M and platform-specific ball-joint references can be reviewed for Can-Am, Polaris, CFMOTO, Honda, Yamaha and custom sizes.

 Rod ends and heim joints for suspension linkage programs
02

Rod Ends & Heim Joints

Rod ends, heim joints, spacers, jam nuts and linkage hardware can support adjustable suspension, radius rod and custom control-arm programs.

 PTFE-lined spherical bearing for racing and drift suspension assemblies
03

Spherical Bearings

Steel, stainless steel and custom bearing options can be matched to the expected load, movement, corrosion exposure and service interval.

 UHMW bushing kit for UTV and ATV control arm pivots
04

UHMW Bushings

UHMW, rubber, polyurethane and custom bushing kits can be coordinated with pivot width, sleeve size, hardware and packaging requirements.

Why SYZ Machine Control Arms?

A Practical Manufacturer For Custom Suspension Programs

The goal is to give your team a repeatable, serviceable, and market-ready control-arm range, not just a one-off welded sample.

Custom Geometry Review

Develop from drawings, CAD, jig data, OE references, or physical samples, including custom lengths, mounting types, and high-clearance shapes.

Material And Wall Options

Review chromoly, DOM steel, high-strength steel, aluminum, and wall-thickness options against the project requirement.

Matched Wear Components

Coordinate ball joints, bushings, rod ends, spherical bearings, spacers, and hardware so the kit is easier to assemble and sell.

Brand Program Support

Powder-coated color, logo, carton labels, retail packaging, catalog information, and bulk-order planning can be built into the program.

FAQ

Questions Before You Specify Custom Control Arms?

Use these answers to prepare a more accurate request and avoid fitment mistakes.

What do control arms do?+

Control arms allow the suspension to move vertically while connecting the chassis to the wheel assembly or steering knuckle. They help maintain tire contact, alignment, and vehicle stability as the suspension moves over uneven terrain.

Are A-arms and control arms the same thing?+

In many front suspension systems, an A-shaped control arm is commonly called an A-arm. The correct design still depends on the vehicle layout, mounting points, ball-joint interface, bushing dimensions, and intended travel.

Are lower trailing arms the same as lower control arms?+

It depends on the suspension configuration. Rear trailing arms can function as control arms in some layouts, while front suspension usually uses A-arm geometry. Confirm the exact platform before ordering.

What are common bad control arm symptoms?+

Common signs include clunking or popping over bumps, steering instability, wandering, uneven tire wear, excessive vibration, visible bending, cracked welds, worn bushings, or loose ball joints.

How many control arms are on a Polaris RZR XP 1000?+

The front suspension uses a dual A-arm configuration on the left and right side. Rear suspension layout depends on the model and package, commonly using radius rods or trailing-link components. Always confirm the exact trim and year.

How many control arms are on a Can-Am Maverick X3?+

The front suspension uses upper and lower A-arm positions, while the rear layout uses radius rods and related links depending on the model and trim. For quotation, send the exact model, width package, year, and target component list.

How often should UTV control arms be replaced?+

Replacement should be based on inspection and use conditions, not mileage alone. Off-road components should be checked regularly for bends, cracks, worn bushings, ball-joint play, corrosion, and impact damage.

Can SYZ Machine supply ball joints and bushings with the arms?+

Yes. SYZ Machine can supply or coordinate matched ball joints, bushings, rod ends, spherical bearings, spacers, and hardware based on your requested kit contents.

Can you make high-clearance or long-travel control arms?+

Yes, when the geometry, travel target, clearance needs, and interface dimensions are provided. CAD data or a complete sample set is strongly preferred for non-standard suspension geometry.

What information is needed for a first quote?+

Send the vehicle platform, model year, trim, arm position, drawings or sample photos, pivot spacing, ball-joint taper, bushing width, material, wall thickness, finish, quantity, packaging needs, and target market.

Send Us Your Inquiry

Request A Custom Control Arm Factory Quote

Share the target vehicle, arm position, drawings or sample photos, material, finish, kit contents, and quantity. When project details are complete, our target response is within 24 hours.