• AST Suspension 5100 Series Coilovers (Excludes Front/Rear Top Mounts) (Non Inverted) - 1998-2000 Honda Civic 1.6 16V (MC1)
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AST 5100 Series Coilovers | Honda Civic 98-00 MC1 (ACS-H1004S) (Non Inverted)

AST 5100 Series Coilovers | Honda Civic 98-00 MC1 (ACS-H1004S) (Non Inverted)

ACS-H1004S

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The AST 5100 Series Coilovers for the Honda Civic 98-00 MC1 are high-performance suspension components designed to enhance handling and ride quality. Featuring non-inverted monotube shock absorbers, these coilovers utilize advanced technology to deliver superior damping performance compared to standard twin-tube designs. The monotube construction separates gas pressure with a floating piston, effectively preventing cavitation and aeration within the oil chamber. The inclusion of rebound adjustment via a single knob allows for customizable damping settings, enabling precise tuning for various driving conditions. Built with durable materials and engineered for performance, these coilovers provide improved stability, responsiveness, and overall driving dynamics.

Designed specifically for 1998-2000 Honda Civic models with the MC1 chassis and 1.6 16V engine, these coilovers are a direct bolt-on upgrade that offers both street and track performance benefits. The adjustable platform allows for ride height customization and damping tuning, making them suitable for enthusiasts seeking improved handling or a lowered stance. Installation is straightforward for those familiar with suspension components, and the kit typically includes coilover units with adjustable platforms. These coilovers are ideal for street driving, track days, or spirited driving, providing a versatile upgrade that enhances vehicle control and driver confidence.

Overview

The 5100 Series shock absorbers for the 1998-2000 Honda Civic 1.6 16V (MC1) 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-H1004S
  • 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: 1998-2000
  • Make: Honda
  • Model: Civic
  • Chassis: MC1
  • 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
  • 1998 Honda Civic 1.6 16V (MC1)
  • 1999 Honda Civic 1.6 16V (MC1)
  • 2000 Honda Civic 1.6 16V (MC1)
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