Front Anti-Roll Bar Bush (Polyurethane) - 21.5mm - for Porsche 924 / 924S / 924 Turbo / 944-1. Powerflex Heritage Collection - PFF57-306-21.5H
PFF57-306-21.5H
Vehicle Group
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
Information
Upgrade your worn-out rubber anti-roll bar bushes with Powerflex's high-performance polyurethane alternatives. Sold in pairs, these 21.5mm bushes deliver enhanced handling, improved performance, and greater durability.
This round bush has a 40mm outer diameter and an overall length of 55mm. These 21.5mm bushes directly replace Porsche part numbers 477411053N.
Porsche 924 1982*
Porsche 924 1983-85
Porsche 924 Turbo 1982*
Porsche 924 Turbo 1983-85
Porsche 924 S 1986-88 - For Models With 21.5mm Aftermarket Anti-Roll Bar
Porsche 944-1 1982-83 - Vehicles With Rear Anti-Roll Bar (PR 404)
Diagram ref. 3.
*NOTE: Porsche updated the 924's front anti-roll bar design during the 1982 model year. If your 1982 Porsche 924 has a VIN from F 92-CN402 198 onward (or F 92-CN450 832 onward for North America), it will be compatible.
For 1982 Porsche 924 Turbo models, compatibility starts from F 93-CN100 306 onward (or F 93-CN150 332 onward for North American and Japanese models). Please ensure you check your VIN to confirm fitment. If you're unsure, please do not hesitate to contact us with your vehicle's VIN number for confirmation.
Additionally, due to the vehicle's age and some ambiguity in the official catalogue, we highly recommend measuring your anti-roll bar before ordering to ensure you select the correct size.
The Powerflex Range:
Road Series (Road & Fast Road) - POWERFLEX Road Series bushes improve your cars’ road holding and chassis performance by controlling the amount of unwanted flex in the suspension. This means the suspension is doing what it is supposed to. It means your tyres have greater contact with the road at all times, therefore, improving safety and performance. Correctly formulated polyurethane is as good if not better at noise, vibration and harshness suppression when compared to worn rubber. Our Road bushes offer Prolonged tyre life, Improved performance, Increase safety, and Greater cost-effectiveness.
Black Series (Track & Motorsport) - POWERFLEX Black Series bushes are manufactured using our Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the Track, ready to Race and are engineered to be the best. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material. If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Heritage Collection (Classic & Restoration Use) - POWERFLEX Heritage Collection bushes are manufactured using modern-day materials with properties biased for the road. These dark grey coloured bushes will improve any collector’s car, whilst retaining the same standard appearance of a rubber bush. Our new range speaks to the growing demand for quality replacement parts that have an aesthetic in keeping with’ the look of the original part and restoration project as a whole whilst carrying all of the performance and longevity benefits offered by Powerflex’s unique blend of polyurethane. Going a step further than simply using the same material and durometer of hardness for all of our parts, each part location has its own shore designation to ensure improved suspension performance without discomfort or vibration, all of which ship in our new ‘Classic’ Dark Grey colour suitable for all road-based applications.
Powerflex Materials:
The materials used by Powerflex are colour coded to make them easily identifiable. Below explains the shore rating and their common uses.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF57-306-21.5H
The product you are viewing cross references to these numbers
This round bush has a 40mm outer diameter and an overall length of 55mm. These 21.5mm bushes directly replace Porsche part numbers 477411053N.
Porsche 924 1982*
Porsche 924 1983-85
Porsche 924 Turbo 1982*
Porsche 924 Turbo 1983-85
Porsche 924 S 1986-88 - For Models With 21.5mm Aftermarket Anti-Roll Bar
Porsche 944-1 1982-83 - Vehicles With Rear Anti-Roll Bar (PR 404)
Diagram ref. 3.
*NOTE: Porsche updated the 924's front anti-roll bar design during the 1982 model year. If your 1982 Porsche 924 has a VIN from F 92-CN402 198 onward (or F 92-CN450 832 onward for North America), it will be compatible.
For 1982 Porsche 924 Turbo models, compatibility starts from F 93-CN100 306 onward (or F 93-CN150 332 onward for North American and Japanese models). Please ensure you check your VIN to confirm fitment. If you're unsure, please do not hesitate to contact us with your vehicle's VIN number for confirmation.
Additionally, due to the vehicle's age and some ambiguity in the official catalogue, we highly recommend measuring your anti-roll bar before ordering to ensure you select the correct size.
The Powerflex Range:
Road Series (Road & Fast Road) - POWERFLEX Road Series bushes improve your cars’ road holding and chassis performance by controlling the amount of unwanted flex in the suspension. This means the suspension is doing what it is supposed to. It means your tyres have greater contact with the road at all times, therefore, improving safety and performance. Correctly formulated polyurethane is as good if not better at noise, vibration and harshness suppression when compared to worn rubber. Our Road bushes offer Prolonged tyre life, Improved performance, Increase safety, and Greater cost-effectiveness.
Black Series (Track & Motorsport) - POWERFLEX Black Series bushes are manufactured using our Black 95 Shore A compound to provide maximum control of chassis geometry. They are designed for the Track, ready to Race and are engineered to be the best. This compound can be up to 80% more resistant to load than standard rubber and 25% stiffer than our purple performance material. If your requirements are purely for the ultimate in handling and chassis performance then Powerflex Black Series are unique, offering the most precise and accurate alignment for your chassis.
Heritage Collection (Classic & Restoration Use) - POWERFLEX Heritage Collection bushes are manufactured using modern-day materials with properties biased for the road. These dark grey coloured bushes will improve any collector’s car, whilst retaining the same standard appearance of a rubber bush. Our new range speaks to the growing demand for quality replacement parts that have an aesthetic in keeping with’ the look of the original part and restoration project as a whole whilst carrying all of the performance and longevity benefits offered by Powerflex’s unique blend of polyurethane. Going a step further than simply using the same material and durometer of hardness for all of our parts, each part location has its own shore designation to ensure improved suspension performance without discomfort or vibration, all of which ship in our new ‘Classic’ Dark Grey colour suitable for all road-based applications.
Powerflex Materials:
The materials used by Powerflex are colour coded to make them easily identifiable. Below explains the shore rating and their common uses.
Red 65A – Used for our Universal exhaust mounts and diesel engine mounts.
Yellow 70A – Mainly used for engine mounts, diff mounts and subframe mounts or areas where the bush needs a lot of movement and absorption.
Purple 80A – Our most common material. This is used in most areas of the suspension and provides the right mix between performance and compliance.
Black 95A – Our hardest material. This is used mostly for our Black Series range or in our Road Series where the vehicle’s standard suspension demands require us to use this hardness of material i.e. in areas of high load.
Grey* - Used specifically for our Heritage Collection. This can be any of the durometers mentioned but will always be the same as the equivalent part from our Road Series i.e. if it’s Purple 80A in our Road Series, it’d be Grey 80A in our Heritage Collection. On our Road Series and Heritage Collection kits, we can use a mix of all 4 of our materials. During the development stages, we test the original bush and see what the requirements are for strength and movement. At that point, we then decide which of our materials would be best suited. We don’t believe in a one material suits all rule. Manufacturers will do the same and will use different shore rubbers, however, it’s not as noticeable as all rubber bushes look visually similar.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PFF57-306-21.5H
477411053N
The product you are viewing cross references to these numbers
€46.68
Now €44.35
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