GKTech 240sx/Skyline OEM Rear Knuckle Spherical Bushing upgrade (PAIR) -30mm outside diameter spherical bushings (PAIR)

The GKTech Rear Knuckle Spherical Bushing Upgrade replaces the soft factory rubber bushings in the OEM rear knuckles of S-chassis and RWD Skylines with high-performance PTFE-lined spherical bearings. These 30mm outer diameter bushings eliminate deflection at critical suspension mounting points, allowing for precise alignment, improved traction, and sharper rear-end feedback under hard driving conditions.

Perfect for drift, grip, or track builds, these press-in bushings are built to handle high loads while maintaining smooth articulation, making them a significant upgrade for any performance suspension setup.

Key Features:

• Zero-Deflection Design: Replaces OEM rubber with solid spherical bearings

• 30mm Outer Diameter: Direct fit for factory rear knuckle bushing locations

• Increased Rear Suspension Precision: Improves traction and alignment consistency

• Durable, PTFE-Lined Bearings: Built for long-lasting, high-load use

Specifications:

• Outer Diameter: 30mm

• Material: Steel housing with PTFE-lined spherical bearing

• Install Type: Press-in

• Install Time: ~1–2 hours

Compatibility:

• Nissan 240SX (S13 / S14 / S15 – RWD only)

• Nissan Skyline (R32 / R33 / R34 – RWD only)
  Fits OEM rear knuckles that accept 30mm OD bushings.

What’s Included:

• (2) 30mm OD spherical bushings (left and right)

Notes:

• Press tool or shop press required for installation

• A wheel alignment is recommended after install

• Ideal when upgrading control arms, toe arms, or other suspension links for high-performance use

Upgrade your rear knuckle compliance and gain rear-end clarity with GKTech’s 30mm Spherical Bushing Kit—engineered to deliver strength, feedback, and razor-sharp control.