SKU: 48251581335

034Motorsport Density Line Bump Stops, Rear, 81mm - Audi B9/C8 Chassis - 034-403-Z002

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034Motorsport Density Line Bump Stops, Rear, 81mm - Audi B9/C8 Chassis - 034-403-Z002034 Motorsport Density Line Bump Stops, Rear, 81mm Audi B9 C8 Chassis 034 403 Z002. 034Motorsport Density Line Bump Stops are engineered to solve one of the biggest drawbacks of lowering a vehicle: reduced suspension travel. When travel disappears, so do handling precision, ride comfort, and the ability for the suspension to keep the tires planted. Density Line Bump Stops are specifically designed to restore this lost performance while adding tuned,

034 Motorsport - Density Line Bump Stops, Rear, 81mm - Audi B9/C8 Chassis - 034-403-Z002.

034Motorsport Density Line Bump Stops are engineered to solve one of the biggest drawbacks of lowering a vehicle: reduced suspension travel. When travel disappears, so do handling precision, ride comfort, and the ability for the suspension to keep the tires planted. Density Line Bump Stops are specifically designed to restore this lost performance while adding tuned, progressive control that factory or cut bump stops simply cannot provide.

034Motorsport Density Line Bump Stops

Engineered Travel. Tuned Control. Superior Comfort:

034Motorsport Density Line Bump Stops are built to address one of the most common issues that comes with lowering a vehicle: the loss of usable suspension travel. When the suspension runs out of room to move, the car's ability to handle precisely, ride comfortably, and maintain consistent tire contact all start to suffer. These bump stops are specifically designed to restore that performance by providing additional, carefully tuned suspension support. Their progressive characteristics manage impact forces smoothly, offering control and protection that factory or trimmed bump stops simply cannot deliver. The result is a more composed, predictable, and confident driving experience, especially on lowered setups that demand proper suspension geometry and travel management.

Why Suspension Travel Matters:

Lowered vehicles lose valuable suspension travel, which causes the suspension to reach the factory bump stop much sooner than intended. A bump stop is designed by the OEM as a final-stage buffer, essentially a rubber cushion that protects the shock and suspension components from bottoming out during extreme compression. In a stock-height vehicle, it is meant to engage only during hard impacts and serves as a safety and comfort device rather than a primary spring.

When the vehicle is lowered, that engineered clearance is reduced or eliminated. As a result, the shock engages the OEM bump stop far more often and under lighter loads than originally intended. This turns the bump stop into an unintended secondary spring, which restricts suspension movement, reduces the suspension's ability to absorb bumps, and prevents the tire from maintaining a consistent load. The outcome is a noticeable loss of ride quality, grip, and handling precision.

Lowered on OEM Bump Stops

  • The suspension stops absorbing bumps
  • The tire loses consistent load and grip
  • Handling becomes unpredictable
  • Ride quality becomes harsh and abrupt

Factory bump stops were never engineered for lowered ride heights, and cutting them only amplifies harshness.

Lowered on Density Line Bump Stops

  • Restores usable shock travel on lowered vehicles
  • Keeps the suspension operating in its intended range
  • Improves chassis balance and stability
  • Enhances comfort by allowing the shock, not the bump stop, to manage impacts

Result: A poised, controlled suspension that maintains grip and comfort instead of bottoming out.

Precision€‘Tuned Compression Rate:

Factory bump stops are designed for stock ride heights and spring rates, which means they often fall short when a vehicle is lowered. 034Motorsport Density Line Bump Stops are specifically engineered for lowered setups, particularly those running Dynamic+ Lowering Springs. Each bump stop is carefully shaped, sized, and density€‘matched to provide a progressive compression profile that acts like a miniature spring and damper. This allows for smooth, comfortable early travel while increasing firmness as the suspension approaches full compression. The result is controlled body motion, predictable handling, and improved ride quality without harshness.

Platform€‘Specific Engineering

Every Density Line Bump Stop is designed to match its specific chassis, ensuring optimal suspension performance. By utilizing vehicle-specific shapes and lengths, these bump stops restore suspension geometry and travel to near-factory levels, even after lowering. Their compression rate and progression are tuned to complement Dynamic+ Lowering Springs, maintaining handling balance while providing consistent, predictable performance. The optimized length and compression characteristics ensure the bump stop works seamlessly with the rest of the suspension, completing a fully engineered performance package rather than serving as a generic replacement.

Why Not Just Cut the Factory Bump Stop?

Cutting factory bump stops might seem like an easy fix, and people have been doing it for years. But every shortcut has a cost. Trimming might buy you a little travel, but it ruins the last phase of the carefully tuned suspension travel that keeps your suspension controlled and your ride composed. The result? Harsh bottom-outs, unpredictable handling, and a setup that never feels quite right.

034Motorsport Density Line Bump Stops are the right way to do it. Designed from the ground up for lowered vehicles, they deliver the full range of motion your suspension deserves, with smooth, progressive control that cut OEM stops simply can't match. More travel, more precision, no compromises.

Cut Factory Bump Stops

  • Not engineered for lowered ride heights
  • Harsh, abrupt engagement
  • Minimal tuning for compression or damping
  • Reduced comfort and poor control

Density Line Bump Stops

  • Engineered compression profile
  • Progressive and smooth engagement
  • Increased usable travel and improved control
  • Maintains stability under load
  • Dramatically improved ride comfort
  • Ideal complement to Dynamic+ Lowering Springs

Features:

  • Designed for Lowered Vehicles
  • Improve Handling and Comfort
  • A Perfect Match for 034Motorsport Dynamic+ Lowering Springs
  • Made from OEM Quality PUR (Polyurethane) Material
  • Reduced Height Helps to Maintain Full Suspension Movement on Lowered Vehicles:
    • OE Height: 102mm
    • 034 Height: 81mm
  • Increased Durometer Over OE for More Effective Compression Limiting Without Becoming Overly Harsh:
    • OE: 50A
    • 034: 55A

Part Number Interchange:

  • 8W0 512 131 G

What's Included:

  • 1 Pair - 034Motorsport Bump Stops

Fitment:

Make Model Years Chassis Engine
Audi A4 2017-Present B9/B9.5 2.0 TFSI
Audi A5 2018-Present B9/B9.5 2.0 TFSI
Audi A6 2019-Present C8 2.0 TFSI
Audi A6 2019-Present C8 3.0 TFSI
Audi A7 2019-Present C8 2.0 TFSI
Audi A7 2019-Present C8 3.0 TFSI
Audi Allroad 2017-Present B9/B9.5 2.0 TFSI
Audi Allroad 2019-Present C8 3.0 TFSI
Audi RS4 2018-Present B9/B9.5 2.9 TFSI
Audi RS5 2018-Present B9/B9.5 2.9 TFSI
Audi RS6 2020-Present C8 4.0 TFSI
Audi RS7 2019-Present C8 4.0 TFSI
Audi S4 2018-Present B9/B9.5 3.0 TFSI
Audi S5 2018-Present B9/B9.5 3.0 TFSI
Audi S6 2019-Present C8 2.9 TFSI
Audi S7 2019-Present C8 2.9 TFSI
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SKU: 48251581335

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I'd recommend it, especially at this give-away-price
As a sociologist, I was always interested as to how the USSR could morph what Marx considered communalism networked by a shallow, weak, centralized and supposedly representative government into what I would considered an extremest left-wing oligarchy (most fashionably consider it right-wing despite how it was sold and supported by the people that allowed it- so much for cultural relativity and in context social analysis!). If Stalin actually wrote these pieces (or more commonly among dictators farmed it out to a frightened academic ghostwriter) then it could help explain why Marx disassociated himself with much of the Marxist movement toward the end of his life. It is a logically written and well informed book - worth the read if you are into the sociology of politics, philosophy of politics or the history of politics. I'd recommend it, especially at this give-away-price!
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Amazon Customer
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Good book, mediocre edition
Format: Paperback
This review pertains to the quality of this edition's editing and construction, rather than the content of the book itself. Rest assured that the text itself remains a valuable piece of introductory theory. The book is fairly well constructed, with paper and a binding that is sturdy enough for general use. However, my copy had several manufacturing errors including folded over pages being stuck into the binding. In addition, there are several misspelled words throughout the text and some obvious typos (missing letters, incorrect capitalization and punctuation) that did not majorly impact the readability of the text, but were, nevertheless, annoying. Considering the low price of this edition the manufacturing errors are hardly a big deal, but I would have preferred the text itself to have been treated with more care and respect while being prepared for printing.
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Helena Morgan
Boise, US
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thoughts on Xi Jinping
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This book was highly organized and very easy to comprehend. I have formed a much better understanding of Xi Jinping and where he is taking China. Although I feel he has been thoughtful and successful in some areas such as improving China economically, I don’t feel his autocratic approach will succeed in the long run when more Chinese people will demand to be heard. Just as Mao thought didn’t outlast Mao, Xi thought will not outlast Xi.
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James Muncy
Grantham, US
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The Book I Meant to Write
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While doing my master’s degree in international relations, I completed a master’s thesis on Xi Jinping Thought (which, like the authors, I shortened to Xi Thought). I considered writing a book on the subject since there wasn’t a lot in English, but I no longer feel the need. This book fills every gap that was present. Well written and informative, it is the quintessential English source in Xi Thought. The authors put Xi’s political thought in a consultative Leninist paradigm and define that context clearly. Each chapter elucidates a little more and puts Xi thought front and center in China’s current transformation. I consider it a must read.
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mike
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Great read and most importantly very topical
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