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Trailing arm monoball cartridges. Porsche 911/912/930 ❭ 2020901
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
PAIR, 1 pair required per car

Fits:
Porsche 911/912/930/914 1965-89
Performance
Today's sticky tire compounds generate corner loads that easily compress factory rubber bushings causing wandering alignment settings. The result is that camber and toe change unpredictably, making steering imprecise and the car difficult to drive fast.
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.
• Precise, razor sharp handling
• Holds alignment settings true
• Weather-Sealed for long life
• Eliminates camber loss due to compression
• Extremely low friction
Weather Seals
Our proprietary-design Monoball cartridges have optional 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.
Fitment
Front monoballs fit easily into the stock camber plates of 67-89 911/912/930 cars (911 341 018 00). Cars with pre-67 camber plates are recommended to switch to a 67-89 camber plate for fitment. 65 cars without camber plates require grinding to enlarge the strut top opening to allow fitment of the cartridges.
Easy Bushing Replacement How-To
Your existing bushings are pressed in place, they will need to be pressed out, and you will need to press in the new bushings but it's really easy when you have the right tools. To ease and speed the bushing removal and installation process without using a shop press please see our purpose designed Split Bushing Removal Tool and our Bushing Installation tool.
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
2020901
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 912E 4CYL 1976
1 kit required per car

Fits
Porsche 911 - 1965 to 1989
Porsche 911 turbo - 1975 to 1989
Porsche 912 - 1966 to 1976
Choice of Compound
Trailing arm bushings are available in "Sport" and "Stock" hardness.
Stock Hardness
Replicates the OEM rubber to ensure factory ride quality and performance levels.
Sport Hardness
Sport bushings have a harder rubber compound for less deflection and more precise handling.
Sport provides a nice intermediate step between our Stock rubber trailing arm bushings are our top performing WeatherSealed Monoballs.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
22900
The product you are viewing cross references to these numbers
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