K-Tech Steering Damper Black Kit for Kawasaki ZX-4RR (2023–2026) – Part No. 053-023-150-005

When the stakes are highest — at track day pace or on a demanding back road — the K-Tech Steering Damper Black Kit delivers the certified, measurable safety margin your Kawasaki ZX-4RR deserves. Engineered specifically for the ZX-4RR (2023–2026), this precision damper kit uses K-Tech's proven CSC (Constant Safety Control) system to neutralise tank-slappers and headshake before they develop, keeping you in full command of every corner.

Key Features

• CSC (Constant Safety Control) technology provides consistent, predictable damping across the full steering arc — eliminating the wobble and headshake that put riders at risk.
• 22-position adjustable damping lets you dial in exactly the right resistance for track, road, or mixed-use riding without tools beyond a simple adjuster.
• Low-friction Ø8 mm piston rod with specialist surface treatment ensures smooth, stiction-free operation and consistent feel lap after lap.
• Triple-seal configuration — dual oil seals plus a dedicated dust wiper — protects internal components from contamination and prevents oil ingress in all conditions.
• Nitrogen-pressurised reservoir eliminates fluid aeration, so damping performance remains constant whether you are commuting or pushing hard on circuit.
• Fully serviceable and rebuildable construction with genuine K-Tech spare parts availability, protecting your investment long-term.
• Precision high-quality bearings at both mounting eyes guarantee uniform, reliable performance with zero play throughout the damper's service life.

Engineering Detail

The S075 CSC damper body is built around a single piston rod design that aligns all forces axially, preventing side-loading of the seals and rod — a common cause of premature wear on lesser units. The Ø8 mm rod receives a dedicated surface treatment that cuts friction to a minimum, so the damper responds to small, rapid steering inputs without masking road feel. The nitrogen reservoir works in tandem with the dual oil seals to maintain a bubble-free oil column under heat, keeping the damping curve stable whether the unit has been cold since dawn or fully heat-soaked after a long session.

Adjustability and Setup

Twenty-two discrete damping positions give the ZX-4RR rider a genuinely wide tuning window. Lighter settings suit street use and wet conditions where some self-steering is beneficial; firmer settings suit high-speed track work where stability takes priority. Because each click is repeatable and well-spaced, changes made in the paddock translate directly to on-track feel — no vague mid-range where several clicks feel identical.

Safety Note

Installation must be carried out exclusively by an authorised K-Tech Service Centre. Specialist tools and technical expertise are required to ensure the full performance and safety of the steering damper are realised. Incorrect fitting can compromise handling and rider safety.

Fitment & Compatibility

This kit is designed and validated exclusively for the following model:

• Kawasaki Ninja ZX-4RR — model years 2023, 2024, 2025, 2026

The dedicated mounting kit (part number 053-MK-BM09-O001) is included, providing a precise, rattle-free fit without modification.

Specifications