Cv Joint Cage, Chromoly for 930 CV, Each

OVERVIEW

When you are pushing the limits of your long-travel suspension in a rugged off-road environment, the CV joint cage is often the weakest link in your drivetrain. Standard factory-style cages are prone to shattering under the extreme torque and high-angle articulation required by high-performance sand rails, Baja bugs, and off-road racers. This EMPI Chromoly CV Joint Cage for 930 CVs is engineered specifically to eliminate that failure point. By utilizing high-strength chromoly steel, this cage provides the resilience needed to withstand the punishing forces of desert racing and rock crawling. Whether you are building a fresh set of axles or rebuilding your existing 108mm 930 CV joints, upgrading to a chromoly cage is an essential step for any enthusiast who doesn''t want to be left stranded on the trail with a broken drivetrain.

What sets this EMPI cage apart from standard replacements is the meticulous attention to detail in its manufacturing process. These cages feature precision-radiused windows, which are designed to allow for maximum ball travel and smoother operation at steep angles without the binding that often leads to cage failure. Each unit is surface ground to exacting tolerances to ensure a perfect fit within the CV housing, reducing internal friction and heat buildup during high-speed runs. Here at Appletree Auto, we know that reliability is everything when you are miles away from the nearest pavement. By installing these heavy-duty chromoly cages, you are investing in peace of mind and the mechanical durability required to tackle the toughest dunes and trails that the air-cooled world has to offer.

FITMENT

• Custom Off-Road Builds: Ideal for any Sand Rail, Dune Buggy, or Manx-style buggy utilizing 930 (108mm) CV joints.
• Volkswagen Baja Bugs: Perfect for high-clearance rear suspension setups requiring extreme axle angles.
• Porsche 911/930: Replacement upgrade for vintage Porsche 930 (Turbo) CV joint assemblies.
• VW Vanagon: Fits Vanagon models converted to 108mm 930 CV joints for increased durability and travel.
• Race Classes: Suitable for use in Class 1, Class 5, Class 10, and Class 12 off-road racing vehicles.
• Universal 930 Applications: Compatible with any standard 6-bolt 108mm 930 style CV joint.

SPECS

• Material: High-Strength 4340 Chromoly Steel.
• Compatibility: Designed specifically for 930 (108mm OD) CV Joints.
• Window Design: Radiused windows for increased articulation and reduced stress risers.
• Manufacturing Process: Precision surface ground for exact tolerances.
• Quantity: Sold individually (Each).
• Finish: Heat-treated for maximum surface hardness and core toughness.
• Manufacturer: EMPI.
• Part Number: 16-2615-0.

PRO TIPS

1. Always Verify Internal Orientation During Assembly

One of the most common mistakes when rebuilding a 930 CV joint is "clocking" the inner race and the cage incorrectly. When you slide the inner race into the chromoly cage, ensure that the wider "lands" of the race align with the windows of the cage. If you assemble them incorrectly, the joint will appear to fit together but will lock up and refuse to articulate once the balls are installed. Always test the full range of motion by hand before applying grease and installing the boot. If there is any binding or resistance, disassemble and re-check your alignment. Using a chromoly cage doesn''t fix improper assembly, so take your time to get the geometry right for maximum travel.

2. Use High-Quality Molybdenum Grease and Don''t Skimp

Because chromoly cages are often used in high-angle, high-heat environments, the quality of your lubrication is paramount. We recommend using a high-temperature, high-pressure Moly (Molybdenum Disulfide) grease specifically designed for CV joints. When assembling, "pack" the joint thoroughly, ensuring grease is forced into every window of the cage and around every ball bearing. Do not just fill the boot; the grease needs to be inside the joint itself to prevent metal-on-metal contact. Proper lubrication significantly extends the life of the chromoly cage by reducing the friction-induced heat that can lead to micro-fractures over time.

3. Deburr and Inspect for "Stress Risers" Before Installation

While EMPI produces a high-quality surface-ground product, it is always a professional practice to inspect the windows of the cage for any sharp edges or tiny burrs before final assembly. Any sharp corner can act as a "stress riser," which is a point where a crack is likely to start under heavy load. Use a fine-grit emery cloth or a small needle file to lightly break any overly sharp edges on the radiused windows. This "blueprinting" of the joint ensures that the load is distributed evenly across the material. Additionally, always check your axle plunge; if your axle is too long and "bottoms out" against the CV, even a chromoly cage will eventually fail due to the lateral impact forces.