Bilstein SN2 Series Shock Absorber - Smooth Body

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401.9 452.3 503.0 553.8 607.0

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Product Overview

 

The Bilstein SN2 Series Shock Absorber - Smooth Body gives customers a focused suspension solution for racers whose rules allow rebuildable steel-body shocks with smooth-body packaging. It is built for shoppers who want the right damper style for a real vehicle or race chassis rather than a generic one-size-fits-all part. The result is a cleaner path to better suspension control, whether the goal is comfort restoration, sharper handling, or a more controlled competition setup.

At its core, the product is a smooth body screw-top non-coilover monotube shock absorber that provides rebuildable steel-body damping for race setups with linear or digressive tuning paths. That purpose matters because suspension upgrades change how a vehicle feels every mile, from small road inputs to larger weight transfers. Customers get a component that is easy to understand by role: it is here to manage motion, support the intended setup, and help the vehicle feel more composed.

The zinc plated finish and steel construction give the product a purpose-built appearance while supporting the way customers service and tune the suspension. The 46mm steel smooth body with 14mm shaft, 1/2in heim mounts, and aluminum end cap design keeps the design tied to its real application instead of relying on cosmetic language alone. When customers are replacing worn components or building a more specialized suspension package, those details help confirm that the product belongs in the plan.

Fitment and setup are matched to custom motorsport applications, so the product should be chosen around the vehicle, chassis, mounting style, and suspension goal. For daily-driven OE replacement parts, that means preserving the ride character customers expect from the vehicle. For motorsport and off-road components, that means selecting the correct length, mount type, adjustment style, and service parts before the suspension is assembled.

Several real choices may appear within this group, including linear dry-kit options, digressive dry-kit options, travel lengths. Those choices are not just catalog differences; they affect how the component fits, how it is tuned, and how it supports the intended suspension package. Customers should match those choices to the build goal, the available space, and the amount of tuning control they want.

In real use, the Bilstein SN2 Series Shock Absorber - Smooth Body supports circle track racing, rule-limited race classes, rebuildable steel-body damper service, and chassis tuning with a design that fits the way the suspension will be driven, serviced, and tuned. Whether customers are upgrading for circle track racing, rule-limited race classes, rebuildable steel-body damper service, and chassis tuning, the Bilstein SN2 Series Shock Absorber - Smooth Body delivers provides rebuildable steel-body damping for race setups with linear or digressive tuning paths. Now Available at LEER!

 


 

Features & Specifications

Product Type: Motorsport shock absorber

Brand: Bilstein

Series: SN2 Series

Body Material: Steel

Finish: Zinc Plated

Internal Design: Monotube

Body Design: Smooth body screw top non-coilover

Piston Diameter: 46mm

Shaft Diameter: 14mm

Mount Type: 1/2in heim upper and lower mounts

Adjustability: Non-adjustable

Valving: Linear and digressive dry-kit options

Functionality:

  • Supports rebuildable steel-body race damper service.
  • Works for classes where steel shock construction is required or preferred.
  • Provides linear and digressive tuning paths.
  • Uses a smooth body layout for traditional race shock packaging.
  • Can be converted to coilover use with compatible hardware.
  • Supports multiple travel lengths for different chassis setups.
  • Helps racers tune chassis feel without changing to an aluminum-body damper.

 


 

Available Options

The Bilstein SN2 Series Shock Absorber - Smooth Body is available in multiple configurations:

  • Linear dry-kit options: A tuning path for customers who want a predictable linear piston strategy built by a qualified shock service shop.
  • Digressive dry-kit options: A tuning path for racers who want a firmer low-speed platform and a different response curve.
  • Travel lengths: Multiple smooth-body lengths support different chassis layouts and suspension travel needs.
  • Coilover conversion capability: Compatible conversion hardware can be used when the setup calls for a coilover layout.

Choose the shorter or simpler options for compact packaging and easier setup, or choose the longer, more adjustable, or broader tuning options when the build calls for more suspension travel and control.

 


 

Why Choose

This product is ideal for customers who want a rebuildable steel smooth-body shock for racers who need durable construction and flexible tuning paths.

  • Steel construction supports rule-limited motorsport use.
  • Smooth body design fits common race shock mounting approaches.
  • Zinc plated finish supports corrosion resistance and shop durability.
  • Dry-kit options allow experienced tuners to build the damper around the car.
  • Linear and digressive paths help match different driver preferences.
  • Rebuildable design supports recurring race service.
  • Good choice for customers balancing rules compliance, serviceability, and tuning control.

 


 

What's Included

  • Bilstein SN2 Series Shock Absorber
  • Smooth body steel damper assembly
  • 1/2in heim mount ends where applicable

Note: Confirm included components before installation.

 


 

Installation Notes

  • Confirm shock length, piston strategy, mount spacing, and class rules before installation.
  • Piston and piston band components may be sold separately depending on the selected dry-kit setup.
  • Race dampers should be serviced and charged by qualified suspension personnel.

Buyer is responsible for use in accordance with applicable vehicle, road, off-road, towing, racing, and local laws.

 


 

Warranty Information

Warranty coverage for motorsport and custom competition products is handled under applicable Bilstein terms. Coverage can be affected by improper installation, misuse, modifications, electrical issues where applicable, overloading, tampering, impact damage outside warranty terms, racing wear, or non-compliant use; proof of purchase may be required for claims.

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