SKU: 80371136627

034Motorsport Density Line Bump Stops (Front, 38mm)

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Description

034Motorsport Density Line Bump Stops (Front, 38mm)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 cars ability to handle precisely, ride comfortably, and maintain consistent tire contact all start to suffer. These bump stops are specifically designed


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: 55mm
    • 034 Height: 38mm
  • Increased Durometer Over OE for More Effective Compression Limiting Without Becoming Overly Harsh:
    • OE: 50A
    • 034: 55A

Part Number Interchange:

  • 1K0 412 303 F

What’s Included:

  • 1 Pair - 034Motorsport Bump Stops

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 80371136627

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ND IRISH MATT
Fort Morgan, US
★★★★★ 5
So good!
Format: Hardcover
Full of heart and joy
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Reviewed in the United States on October 14, 2024
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Library Kat
San Leandro, US
★★★★★ 5
Yes, Black Cowboys in NYC!
Format: Hardcover
I just read this book with my granddaughter on Libby and ordered it immediately from Amazon. (I will also order it in a Spanish version for my granddaughter to bring to her school). My husband is a musician who performed at the “Atlantic Antic” in Brooklyn many, many years ago. He told us about the Black Cowboys in Brooklyn who trotted up to his concert on Atlantic Ave. “It was surreal,” he said, “to see black cowboys on horseback in New York City!”
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Reviewed in the United States on December 31, 2025
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Y
Draper, US
★★★★★ 5
thrilling ride of a book
Format: Kindle
Beautiful... I love the tenderness of the father-daughter relationship, and the gentle love between rider and horse, contrasted with the raw thrill of the pre-dawn adventure. This book manages to portray something so specific - an urban horseback ride - with such deep and universal appeal.
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Reviewed in the United States on December 18, 2024
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SP
Los Angeles, US
★★★★★ 5
Beautiful book!
Format: Hardcover, Format: Hardcover
This book perfectly exemplifies how soft and simple can be so magical. The lyrical language laden with sensory details, paired with the vibrant visuals, makes for an absolute treat of an experience! The father-child time at night immediately reminded me of OWL MOON and just like owling, urban horseback riding is something we’ve never experienced personally, so it was especially thrilling to experience it with my children through this book. I also love that this book is a celebration of Black culture and joy. Finding the universal through the specific is the key to any good story, and the author has a real knack for it. Just like the Abuelita in this story, my mother is the first to wake up, and we find her nestled in her chair with a cup of coffee. And the description of the little girl’s kiss on her Abuelita’s papery cheek brought back memories of my own grandmother’s papery cheek – something I miss very much. Picture books really are for everyone. All the starred reviews are so well-deserved and I’d be very surprised if this book didn’t win awards. Highly recommend!
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Reviewed in the United States on June 11, 2024
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Megan Nankivell
Birmingham, US
★★★★★ 5
Gorgeous, joyful, and moving
Format: Hardcover
This book is simply breathtaking, from the vibrant illustrations to the lovely father-daughter story about the precious alone time they spend together early in the morning. The effect is so powerful and visceral, it feels like you're right there experiencing it with them-- the quiet of the city at dawn, the nostalgia, the sharing of a memory that will last a lifetime. It made me long for my own cherished childhood moments. My kid was fascinated by the idea of horses on city streets, which I guess he's never seen before. And, for my part, I loved the all too rare representation of Black cowboy culture in a picture book. More books like this, please! Final moments of the book highlight the main character's belief in herself... "I'm a cowboy too!" This confidence is partly a result of the love and representation provided by her father. LOVE LOVE this book.
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Reviewed in the United States on June 29, 2024

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