Kit Contents Overview
Front & Rear Struts: Four single-tube, full-length adjustable shock absorbers packaged in protective plastic wrap.
Low Vibration Springs (LVS): High-strength white coil springs paired with specialized helper springs.
Pillow Ball Upper Mounts: Pre-installed spherical bearing top hats for direct, sharper steering response.
Accessories & Hardware: Includes dust boots, adjustment collars, sway bar end links, spanner wrenches, and the official Japanese HKS instruction manual.
Key Technical Specifications
Damping Adjustment: 30-step independent adjustment for both front and rear units.
Damper Fluid: Features specialized Super Response Fluid (SRF) to maintain consistent performance through intense thermal track cycles.
Coating: Utilizes a proprietary PNE coating on the threaded shock bodies to prevent corrosion and lock-up.
Technical Specifications & Details
Vehicle Compatibility: 2007–2015 Mitsubishi Lancer Evolution X (CZ4A) with the 4B11 engine (optimized for 300ps+ minor-change models).
Part Number: 80310-AM001.
Damper Layout: Single-tube (Mono-tube) design. The front features an Inverted Strut Type for high rigid resistance against heavy cornering stresses, while the rear utilizes a Normal layout.
Damping Adjustment: 30 steps of precise adjustment both front and rear via a redesigned Wide Range (WR) needle.
Default Spring Rates: Front: 14 kgf/mm (137 N/mm) | Rear: 12 kgf/mm (118 N/mm).
Factory Ride Height Drops: Front: -30mm (Adjustable from -8mm to -73mm) | Rear: -18mm (Adjustable from 0mm to -67mm).
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