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Please Note: Scroll below shock listing for more information on this series of shocks

10" Travel - 2.5" O.D. Screw Top
10" Travel - 2.5" O.D. Weld Top
10" Travel - 2" O.D. Screw Top
12" Travel - 2.5" O.D. Screw Top
12" Travel - 2.5" O.D. Weld Top
12" Travel - 2" O.D. Screw Top
14" Travel - 2.5" O.D. Screw Top
14" Travel - 2.5" O.D. Weld Top
14" Travel - 2" O.D. Screw Top
17" Travel - 2.5" O.D. Screw Top
17" Travel - 2.5" O.D. Weld Top
17" Travel - 2" O.D. Screw Top

Developed for the professional off-road racer, the Bilstein 9100 Series is truly state-of-the-art. These shocks feature specially developed long travel, remote reservoir and externally adjustable bypass technology.


    The Bilstein 9100 Series is the culmination of more than 30 years of off-road racing shock absorber development and expertise. Working with top off-road racing teams, Bilstein was uncompromising in their design, engineering and manufacturing of the 9100 Series. Bilstein advanced their race-proven shock design and added the latest in remote reservoir and externally adjustable bypass technology to build the 9100 Series
Features... Hand Assembly and Custom Valving  External Bypass Tube Placement for Greater Adjustability  Owner Rebuildable to Exact Specifications  Self-Adjusting Deflective Disk Valving System  Variable Flow Metering Check Valves for Position Sensitive Adjustability  High Flow Piston Reduces Harshness
Plus...
  • 2" & 2.5" Shock Body Diameter
  • 10" thru 17" Travel Lengths
  • 2.5" Diameter Remote Reservoir
  • One-Time Free Revalve Option*
* Contact the Bilstein Off-Road Racing Department for Details.
Technical Specifications
 9100 Series
Body: 2.5" or 2" Seamless Tube Conventional or Threaded Body
Rod: 22mm Centerless Ground, Case Hardened, Chromed and Super Polished
Rod Guide:  Aluminum CNC Machined
Seal: Rebuildable 3 Stage, Self Lubricating
Piston: Bilstein Racing Piston
Valving: "Self Adjusting" Deflective Disc Independent Rebound & Compression
Oil: Bilstein Fade Resistant High Temperature Racing Oil
Reservoir: 60mm Seamless Machined Tube
Hose: Aeroquip -8 High Pressure Hose
Rod Ends: 1/2" Graphite Uniball w/ CNC Machined Eye ring
Top: Screw Top: CNC Machined 7075 T6 Aircraft Aluminum
Weld Top: CNC Machined Steel 
Finish: Electroless Nickel
Bypass Hardware
Externally Adjustable Variable Flow Metering Check Valves 
Available in 5/8" & 7/16"
Tube placement is custom per application
Dual Rate Coilover Hardware
Billet Aluminum CNC Machined Black Anodized w/ Delron Spring Slider. Available for 2 1/2", 3", & 3 5/8" Springs

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1-800-303-6211 (517-625-1884)
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Saturday 9:00 AM - 2:00 PM Eastern Time