HKS Hipermax R Coilover Kit unboxed and laid out for the Mitsubishi Lancer Evolution X (CZ4A). This specific kit (part number 80310-AM001)

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).