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Description
DSS 800hp Rear Axle Bar Upgrade | B5 S4Picture may vary slightly from actual product. This is a set of axle bars and internal Chromoly parts to upgrade the rear axles for the 99 05 Audi S4. The factory axles are made with a major flaw, being that the outer spline is a small 30 splines and inner is a bigger 33 splines, making the end of the bar at the outer CV receive excessive concentrated stress. What we have done is make high grade internals for both the inner and outer CVs to be able to
Picture may vary slightly from actual product.This is a set of axle bars and internal Chromoly parts to upgrade the rear axles for the 99-05 Audi S4. The factory axles are made with a major flaw, being that the outer spline is a small 30 splines and inner is a bigger 33 splines, making the end of the bar at the outer CV receive excessive concentrated stress. What we have done is make high-grade internals for both the inner and outer CVs to be able to put one of our larger 36 spline torsional center bars on the factory CVs. Initially, the front axles were normally the main issue with this car, but as the bar has been raised on this platform, so has the need for stronger axles.
We can also make custom axles for even higher HP, but we would need to take the factory wheel hubs and re-broach them to a larger spline for one of our larger outer CV's. Call or email for more information.
This kit comes complete with a pair of high-grade Aerospace quality proprietary torsional axle bars, all Chromoly races to upgrade the inner and outer CV's, boots, clamps, and grease.
Most people will be able to assemble this kit, but if you would prefer us to do it for you, we charge 50.00 per axle for assembly of the parts. Please call for the RMA number to send in your axles.
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Exchange/Return Notes
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4.2 ★★★★★
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Product Reviews
★★★★★ 3
BUYER BEWARE
Size: 5 Quart
THERE IS NO NEMMA RATING OR POA RATING TO KNOW WHAT QUALITY OF OIL YOUR GETTING, BUYER BEWARE. WHICH TELLS ME ITS A POA RATING OF THREE, STANDARD OIL , NOT REAL QUALITY
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Good stuff, fair price.
Configuration: 4-Stroke, Size: 1 GA
Great full synthetic marine oil at a very fair price.
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Reviewed in the United States on December 12, 2025
★★★★★ 5
Top notch.
Configuration: 2-Stroke, Size: 1 GA, Case of 3
It’s Valvoline so it’s quality. Very little smoke and a smooth running outboard.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
works perfect
Configuration: 4-Stroke, Size: 1 GA
i bought to maintain mowers
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Reviewed in the United States on December 28, 2025
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
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Reviewed in the United States on April 26, 2026