Tubing 1.250 x.120 Round ALL22134-4

OVERVIEW

When you''re building a custom air-cooled VW project, whether it''s a rugged Baja Bug or a high-performance Sand Rail, the foundation of your fabrication depends entirely on the quality of the materials you select. This Allstar Performance 1.250-inch x .120-inch round tubing is the professional fabricator''s choice for structural integrity and long-term durability. In the world of off-road racing and custom chassis work, there is no room for compromise. This tubing provides the ideal balance of weight and strength, ensuring that your roll cage, nerf bars, or bumper assemblies can withstand the brutal vibrations and impacts synonymous with desert racing and trail riding. Allstar Performance is a name trusted by racers across the globe, and this mild steel tubing is manufactured to precise tolerances, ensuring a consistent wall thickness that makes for predictable bending and superior weld penetration.

The .120-inch wall thickness is particularly significant for the Volkswagen enthusiast. While lighter tubing might be tempting for weight savings, the .120-wall specification is often the gold standard for meeting safety requirements in various racing sanctions and providing that extra peace of mind when you''re airing out your rail over a dune. This 4-foot section is perfectly sized for manageable shipping while providing enough material for various fabrication tasks like cross-bracing, seat mounts, or shock hoop supports. Because it is high-quality mild steel, it responds beautifully to MIG or TIG welding, allowing for clean, stack-of-dimes beads that look as good as they perform. Don''t settle for hardware-grade pipe that can crystallize and crack; invest in purpose-built racing tubing that is designed to keep you safe and your VW chassis rigid under the most demanding conditions.

FITMENT

This tubing is a universal fabrication component commonly used on the following Volkswagen and off-road applications:

• Volkswagen Type 1 Beetle: Ideal for Baja Bug external cages, engine cages, and interior roll bars.
• Volkswagen Type 2 Bus: Used for custom roof racks, ladder assemblies, and interior structural reinforcement.
• Sand Rails & Dune Buggies: The primary choice for chassis main rails, diagonal bracing, and suspension mounting points.
• Manx-Style Buggies: Perfect for fabricating custom windshield frames and rear cage assemblies.
• Volkswagen Type 3 (Squareback/Fastback): Custom bumper fabrication and subframe reinforcement.
• Karmann Ghia: Often used for hidden structural stiffening and custom race seat mounting brackets.
• Off-Road Racing: Suitable for Class 5-1600, Class 11, and various sportsman classes requiring specific wall thickness.

SPECS

• Manufacturer: Allstar Performance
• Part Number: ALL22134-4
• Outside Diameter (OD): 1.250 Inches
• Wall Thickness: .120 Inches
• Material: High-Quality Mild Steel
• Shape: Round Tubing
• Length: 48 Inches (4 Feet)
• Weight: Approximately 5.52 lbs per section
• Finish: Raw Steel (Requires coating or painting to prevent oxidation)
• Weldability: Excellent for MIG, TIG, and Stick welding processes

PRO TIPS

1. Proper Surface Preparation is Paramount

Before you even think about striking an arc on this Allstar Performance tubing, you must remove the mill scale. Mild steel tubing comes with a dark, flaky coating from the manufacturing process that will contaminate your welds and lead to porosity. Use a flap disc or a dedicated pipe sander to bring the area back to shiny, bare metal. If you are TIG welding, go the extra mile and wipe the cleaned area down with acetone. This ensures the deepest possible penetration and a weld that is structurally sound. Remember, in a Volkswagen chassis, your life often depends on the quality of your fabrication, so never weld over scale or rust.

2. Master the Art of the Notch

When fitting 1.250-inch tubing into a chassis, the "fish-mouth" or notch must be as tight as possible. A gap-free fitment not only makes the welding process easier but also significantly increases the strength of the joint. We recommend using a high-quality hole saw style tube notcher set to the specific angle of your intersection. If you don''t have a notcher, use a paper template and a grinder, but check your fitment constantly. A tight, light-blocking fit ensures that the weld bead doesn''t have to bridge a gap, which maintains the structural integrity of the .120-wall tubing across the entire junction.

3. Account for Spring-Back When Bending

When using a manual or hydraulic tube bender, keep in mind that .120-wall mild steel has a specific "spring-back" rate. After you release the pressure from the die, the tube will naturally relax and lose a few degrees of the bend. For 1.250-inch tubing, you typically need to over-bend by about 3 to 5 degrees to achieve your desired final angle. Always use the correct 1.250-inch die to prevent kinking or flattening the tube. If you are making multiple identical parts, such as a pair of bumper wings for your Baja, record your bend angles and the amount of spring-back to ensure perfect symmetry across your VW build.