Suspension Secrets Lower Control Arm Inner Monoball - Porsche 718 Cayman/Boxster GT4

Transform your Porsche 718 Cayman or Boxster GT4’s handling with the Suspension Secrets Lower Control Arm Inner Monoball. Replacing the soft OEM rubber bushes, this monoball ensures your suspension geometry remains precise during hard driving, giving sharper steering, increased chassis rigidity, and better cornering stability.

Key Features & Benefits

• Material: Billet 6082 T6 aircraft-grade aluminium with corrosion-resistant 316 stainless steel
  
  

• Motorsport-spec bearings: Maximum performance and longevity
  
  

• Direct replacement: Replaces OEM rubber inner bushes for precise fit
  
  

• Improved handling: Eliminates suspension flex, improving steering sharpness
  
  

• Enhanced chassis feedback: Reduces geometry changes during cornering
  
  

• Durable construction: Long-lasting solution for tired or soft OEM bushes
  
  

Vehicle Compatibility / Fitment

• Porsche 718 Cayman GT4 (2019–present)
  
  

• Porsche 718 Boxster GT4 (2020–present)
  
  

Technical Specifications

• Material: 6082 T6 aluminium and 316 stainless steel
  
  

• Bearing type: Motorsport-grade spherical bearing
  
  

• Finish: CNC machined, corrosion-resistant
  
  

• Weight: Lightweight billet construction
  
  

• Function: Eliminates inner bush flex
  
  

Installation Information

• Tools required: Basic suspension tools, torque wrench
  
  

• Estimated install time: 1–2 hours per side
  
  

• Professional installation recommended for best alignment results
  
  

• Installation guides available upon request
  
  

Performance Gains / Why It’s Needed

OEM rubber suspension bushes flex under high load, causing geometry changes and vague steering. Installing the Suspension Secrets Monoball keeps suspension geometry fixed, improving cornering precision, chassis response, and overall vehicle feedback. Perfect for track days, autocross, or spirited driving on the road.

What’s Included in the Kit

• 1x Billet aluminium inner monoball per lower control arm
  
  

• Motorsport-grade bearings
  
  

• Stainless steel mounting hardware
  
  

Warranty & Guarantee

• Designed and manufactured in the UK by Suspension Secrets
  
  

• Covered by manufacturer warranty
  
  

• Returns accepted on unused items in original packaging
  

Ideal for Porsche suspension upgrades, monoball control arms, and alignment tuning. Pair with our other Suspension Secrets products for full chassis performance improvements.

FAQs

Q1: What is a monoball and why is it better than rubber?
A monoball is a spherical bearing that eliminates flex, maintaining suspension geometry for precise handling.

Q2: Can this be used on stock 718 Cayman/Boxster suspension?
Yes, it is a direct replacement for OEM rubber inner bushes.

Q3: Will installation affect wheel alignment?
Professional alignment is recommended to maintain precise suspension geometry.

Q4: Is this suitable for track use?
Yes, it improves steering response and chassis rigidity under high load conditions.

Q5: How long does the monoball last?
Motorsport-grade bearings and billet aluminium construction ensure long-lasting performance.