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Home > 911 Suspension > Weather-Sealed Monoballs

Weather-Sealed Monoballs for Porsche 911

Precision suspension control

Monoballs deliver precise, razor sharp handling.  But rapid wear has made them impractical for all but the most serious racers.

Not anymore!

Weather Seals - Our proprietary-design Monoball cartridges have weather seals to keep dirt out and extend product life.  This is the only Monoball suitable for street or extended track use.  Dirt and water contaminate ordinary products and accelerate wear.

Performance - Today’s sticky tire compounds generate corner loads that easily compress factory rubber bushings causing wandering alignment settings. Camber and toe flop around upredictably.

Weather-Sealed Monoball Cartridges replace compliant factory rubber bushings with hardened-steel spherical bearings. Unlike poly bushings that bind and resist movement, true spherical bearings allow free motion on multiple axis. 

911 Series locator key, rear	911 Weather-Sealed Trailing Arm Monoball

Rear Weather-Sealed Monoball Cartridge, pair '65-'89 911/912/930   $250.00 2020901

Rear Monoball Cartridge, pair non-weathersealed '65-'89 911/912/930   $200.00 2020900

Rear Weather-Sealed Monoball Rebuild Kit , for one cartridge of 2020900/2020901   $90.00 2020902

911 Series Front locator key	911 Series  Weather-Sealed Front Monoball Cartridge

Weather-Sealed Front Monoball Cartridge, pair '65-'89 911Series and 914 $250.00 2011000

Suspension

Part-Finder Diagrams

Related 911 Products -   - PolyBronze Bearings   - Low-Friction Mounts   - Triangulated Strut Brace

Related Tech Topics -   - Suspension Deformation   - Polyurethane Bushing Friction    - Suspension Binding

Installation Instructions

911 Front Monoball

911 Rear Monoball

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