• AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 1991-1995 Honda Civic 1.6 Vti (EG9)
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AST 5100 Series Coilovers Honda Civic 1.6 Vti EG9 (92-95) (ACS-H1003S) w/HW

AST 5100 Series Coilovers Honda Civic 1.6 Vti EG9 (92-95) (ACS-H1003S) w/HW

ACS-H1003S

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The AST 5100 Series Coilovers for the Honda Civic 1.6 Vti EG9 (92-95) are high-performance suspension components designed to enhance handling and ride quality. Featuring non-inverted monotube shock absorber technology, these coilovers provide superior damping performance compared to traditional twin-tube designs. The monotube construction separates gas pressure with a floating piston, effectively preventing cavitation and aeration within the oil chamber, resulting in more consistent response and durability. The 5100 Series offers rebound adjustment via a single knob, allowing drivers to fine-tune their suspension setup for various driving conditions. Built for performance and reliability, these coilovers deliver improved stability, cornering, and ride comfort for spirited driving and track use.

Designed to fit 1992-1995 Honda Civic 1.6 Vti EG9 models, these coilovers are a direct upgrade for stock suspension systems. They are suitable for street, track, or spirited driving, providing adjustable ride height and damping for personalized setup. Installation is straightforward as a bolt-on replacement, compatible with the original mounting points. The kit includes coilover assemblies with adjustable platforms, enabling precise tuning of ride height and rebound. These coilovers are ideal for enthusiasts seeking enhanced handling and a customizable suspension setup on their Honda Civic EG9, ensuring improved performance and driving enjoyment.

Overview

The 5100 Series shock absorbers for the 1991-1995 Honda Civic 1.6 Vti (EG9) utilize non-inverted / high performance monotube technology. In the past, these were known as the 4100 series. Monotube design shocks absorbers give your car a better performance than the standard twin tube design, the gas pressure is separated by a floating piston, and eliminates cavitation and airation within the oil chamber.

The 5100 Series shocks allow rebound adjustment with one knob. The adjust platform allows the user to adjust the ride height of your car. AST suspension shock bodies are specially designed to keep maximum stroke, even with a lower ride height.

How a Monotube design works?

Monotube design is essential for performance. The oil and nitrogen are separated by a floating piston, and allows the use of a larger piston, increasing the damper performance and sensitivity felt by the driver, all this added together produces more grip, gives more control and driver feedback from your vehicle.

What is a rebound adjustment?

Rebound controls the rate of extension of your shock absorber. By changing the rebound you can directly change the characteristics of the vehicle.

Features

  • Floating piston design with high pressure nitrogen means no cavitation around the piston.
  • 22mm / 14mm diameter shaft struts, non-inverted
  • Steel cylinder body shocks, non-inverted.
  • Rebound adjustable ('Singles').
  • Low friction seal.
  • Adjuster knobs permanently mounted on the dampers.
  • Designed to use OEM top mounts.
  • Rubber bushings for 'eye' shock mounts.
  • Includes springs.
  • Rebuildable.
  • Optional spherical top mounts.
  • Optional DLC (diamond like carbon) coated shafts.
  • Optional DDP (double digressive piston).
    • Double Digressive Pistons are recommended for use on the non-driven wheels.
    • 4WD/FWD vehicles: DD pistons for both rear axle struts/shocks.
    • RWD vehicles: DD pistons for both front axle struts/shocks.
  • Optional custom valving.
Specifications
  • Part Number: ACS-H1003S
  • Product: AST 5100 Series
  • Adjustment: 1 Way
  • System: Coil Over
  • Product Note: Non Inverted, Old 4100 Series
  • Front/Rear Ratio: Front = 50% / Rear = 50%
  • Strut/Shock Type: Front: Double Wishbone strut / Rear: Double Wishbone strut
  • Model Years: 1991-1995
  • Make: Honda
  • Model: Civic
  • Chassis: EG9
  • Spring Kit: Included
  • Top Mounts: Front / Rear Optional (If Available)
  • Optional 1 Front Top Mounts: TMA-H01-B1-20F - Solid top mounts (no camber adjustment)
  • Optional 2 Front Top Mounts: Not Available
  • Optional Rear Top Mounts: TMA-H01-B1-20F - Solid top mounts (no camber adjustment)
  • Adjustable Front Droplinks Available? No
  • Adjustable Front Droplinks Required? No
  • Adjustable Rear Droplinks Available? No
  • Adjustable Rear Droplinks Required? No
  • DDP Pistons Included? No
  • DDP Pistons Available? Yes
  • DLC Coated Shafts Included? No
  • DLC Coated Shafts Available? Yes
  • QDC Included? No
  • TUV Approved?
  • Comments: Works with OE top mounts.
Vehicle Fitment
  • 1991 Honda Civic 1.6 Vti (EG9)
  • 1992 Honda Civic 1.6 Vti (EG9)
  • 1993 Honda Civic 1.6 Vti (EG9)
  • 1994 Honda Civic 1.6 Vti (EG9)
  • 1995 Honda Civic 1.6 Vti (EG9)
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