{"title":"Caterham 7 DeDion without Watts Linkage Powerflex Suspension Bushes","description":"\u003cp\u003ePowerflex polyurethane suspension bushes for the Caterham 7 with DeDion rear without Watts linkage, available in Road Series and Black Series. Select your exact vehicle to see the fitting diagram and every bush position.\u003c\/p\u003e","products":[{"product_id":"powerflex-caterham-7-imperial-chassis-dedion-without-watts-linkage-1973-2006","title":"Caterham 7 Imperial Chassis DeDion without Watts Linkage (1973-2006) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the Caterham 7 Imperial Chassis DeDion without Watts Linkage (1973-2006) are polyurethane replacements for the original rubber bushes. They are available in Road Series and Black Series, with a fitting diagram showing every bush position and part number.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRubber suspension bushes soften, split and let the suspension move out of position as they age. Powerflex polyurethane bushes control that unwanted flex, which keeps the Caterham 7 Imperial Chassis DeDion without Watts Linkage's suspension geometry where it should be. Powerflex says this prolongs tyre life, improves performance and increases safety on the road. Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: Caterham\u003c\/li\u003e\n\u003cli\u003eVehicle: Caterham 7 Imperial Chassis DeDion without Watts Linkage (1973-2006)\u003c\/li\u003e\n\u003cli\u003eYears: 1973-2006\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDrawing reference no.5, Vehicles to 1996 use PF8-903, Vehicles after 1996 use PF8-907\u003c\/li\u003e\n\u003cli\u003eFor vehicles with DeDion rear suspension but without Watts Linkage \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBlack Series\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDrawing reference no.5, Vehicles to 1996 use PF8-903, Vehicles after 1996 use PF8-907\u003c\/li\u003e\n\u003cli\u003eFor vehicles with DeDion rear suspension but without Watts Linkage \u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eHeritage Collection\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDrawing reference no.5, Vehicles to 1996 use PF8-903, Vehicles after 1996 use PF8-907\u003c\/li\u003e\n\u003cli\u003eFor vehicles with DeDion rear suspension but without Watts Linkage \u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. It suits owners of the Caterham 7 Imperial Chassis DeDion without Watts Linkage who want tighter, more precise handling and bushes that outlast rubber. Check the fitting diagram and your vehicle details before you order.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich Powerflex range should I choose for my Caterham 7 Imperial Chassis DeDion without Watts Linkage?\u003c\/h3\u003e\u003cp\u003eRoad Series suits road and fast-road use. Black Series uses a firmer 95 Shore A compound for track and motorsport. Choose the range that matches how you use the car.\u003c\/p\u003e\u003ch3\u003eAre Powerflex bushes covered by a warranty?\u003c\/h3\u003e\u003cp\u003ePowerflex offers a lifetime warranty to the original purchaser when bought through an authorised distributor. Parts used for track, motorsport or competition, and part numbers ending in BLK (Black Series), are excluded. Source: Powerflex lifetime warranty terms. Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the Caterham 7 Imperial Chassis DeDion without Watts Linkage and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. Read the fitment notes above, as some parts only fit certain years or specifications of the Caterham 7 Imperial Chassis DeDion without Watts Linkage.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 1 – Front Lower Wishbone Bush 1\/2\" Bore (PF8-901) – 4 per car","offer_id":55889098539337,"sku":"PF8-901","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 2 – Front Upper Wishbone Front Bush (PF8-902) – 2 per car","offer_id":55889098572105,"sku":"PF8-902","price":42.43,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 12.5mm (PF8-905-12.5) – 2 per car","offer_id":55889098604873,"sku":"PF8-905-12.5","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 14.5mm (PF8-905-14.5) – 2 per car","offer_id":55889098637641,"sku":"PF8-905-14.5","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 16mm (PF8-905-16) – 2 per car","offer_id":55889098670409,"sku":"PF8-905-16","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 19mm (PF8-905-19) – 2 per car","offer_id":55889098703177,"sku":"PF8-905-19","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 4 – Front Upper Wishbone Rear Bush (PF8-904) – 2 per car","offer_id":55889098735945,"sku":"PF8-904","price":33.14,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 5 – DeDion \"A\" Frame Centre Bush (PF8-903)","offer_id":55889098768713,"sku":"PF8-903","price":36.47,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 5 – DeDion \"A\" Frame Centre Bush (PF8-907)","offer_id":55889098801481,"sku":"PF8-907","price":37.82,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 6 – DeDion \"A\" Frame Mounting Bush (PF8-901) – 2 per car","offer_id":55889098834249,"sku":"PF8-901","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 7 – Radius Arm Front Bush (PF8-909) – 2 per car","offer_id":55889098867017,"sku":"PF8-909","price":30.5,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 8 – Radius Arm Rear Bush (PF8-901) – 2 per car","offer_id":55889098899785,"sku":"PF8-901","price":35.8,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 5 – DeDion \"A\" Frame Centre Bush (PF8-903BLK)","offer_id":55889098932553,"sku":"PF8-903BLK","price":40.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/files\/powerflex-caterham-7-imperial-chassis-dedion-without-watts-linkage-1973-2006_a54a7fcd-4882-48de-9205-fc6a63124954.jpg?v=1794275055"},{"product_id":"powerflex-caterham-7-metric-chassis-dedion-without-watts-linkage-2006-on","title":"Caterham 7 Metric Chassis DeDion without Watts Linkage (2006 on) Suspension Bushes","description":"\u003cp\u003ePowerflex suspension bushes for the Caterham 7 Metric Chassis DeDion without Watts Linkage (2006 on) are polyurethane replacements for the original rubber bushes. They are available in Road Series and Black Series, with a fitting diagram showing every bush position and part number.\u003c\/p\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eRubber suspension bushes soften, split and let the suspension move out of position as they age. Powerflex polyurethane bushes control that unwanted flex, which keeps the Caterham 7 Metric Chassis DeDion without Watts Linkage's suspension geometry where it should be. Powerflex says this prolongs tyre life, improves performance and increases safety on the road. Every bush is made in-house by Powerflex, a UK manufacturer formed in 1996.\u003c\/p\u003e\u003ch2\u003eKey features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePolyurethane replacements for the original rubber suspension bushes\u003c\/li\u003e\n\u003cli\u003eReduces unwanted suspension flex for sharper, more consistent handling\u003c\/li\u003e\n\u003cli\u003eHelps maintain suspension geometry and prolong tyre life\u003c\/li\u003e\n\u003cli\u003eRoad Series compounds matched to each bush position, from 65A to 95A\u003c\/li\u003e\n\u003cli\u003eBlack Series 95 Shore A compound for track and motorsport\u003c\/li\u003e\n\u003cli\u003eFitting diagram for each range showing every bush position\u003c\/li\u003e\n\u003cli\u003eLifetime warranty on road-use parts (Black Series and track use excluded)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eMake: Caterham\u003c\/li\u003e\n\u003cli\u003eVehicle: Caterham 7 Metric Chassis DeDion without Watts Linkage (2006 on)\u003c\/li\u003e\n\u003cli\u003eYears: 2006 on\u003c\/li\u003e\n\u003cli\u003eRanges available: Road Series and Black Series\u003c\/li\u003e\n\u003cli\u003eMaterial: polyurethane\u003c\/li\u003e\n\u003cli\u003eFitting diagram: included for each range\u003c\/li\u003e\n\u003cli\u003eWarranty: lifetime on Road Series for road use; Black Series excluded\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-weight: normal;\"\u003eDrawing reference no.5, Vehicles to 1996 use PF8-903, Vehicles after 1996 use PF8-907\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-weight: normal;\"\u003eFor vehicles with DeDion rear suspension but without Watts Linkage \u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho it's for\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eRoad Series\u003c\/strong\u003e for everyday and fast-road driving; \u003cstrong\u003eBlack Series\u003c\/strong\u003e for track days, sprints, hill climbs and circuit racing. It suits owners of the Caterham 7 Metric Chassis DeDion without Watts Linkage who want tighter, more precise handling and bushes that outlast rubber. Check the fitting diagram and your vehicle details before you order.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eWhich Powerflex range should I choose for my Caterham 7 Metric Chassis DeDion without Watts Linkage?\u003c\/h3\u003e\u003cp\u003eRoad Series suits road and fast-road use. Black Series uses a firmer 95 Shore A compound for track and motorsport. Choose the range that matches how you use the car.\u003c\/p\u003e\u003ch3\u003eAre Powerflex bushes covered by a warranty?\u003c\/h3\u003e\u003cp\u003ePowerflex offers a lifetime warranty to the original purchaser when bought through an authorised distributor. Parts used for track, motorsport or competition, and part numbers ending in BLK (Black Series), are excluded. Source: Powerflex lifetime warranty terms. Checked 9 November 2026.\u003c\/p\u003e\u003ch3\u003eWill polyurethane bushes make the ride harsher?\u003c\/h3\u003e\u003cp\u003ePolyurethane is firmer than rubber, so you will feel the car respond more directly. Road Series kits use different compounds for different positions, from 65A to 95A, to balance control with comfort. Black Series is the firmest at 95 Shore A.\u003c\/p\u003e\u003ch3\u003eHow do I know which bushes I need?\u003c\/h3\u003e\u003cp\u003eUse the fitting diagram for your chosen range. It numbers every bush position on the Caterham 7 Metric Chassis DeDion without Watts Linkage and gives the matching Powerflex part number, so you can replace a single worn bush or the whole set.\u003c\/p\u003e\u003ch3\u003eIs there anything to check before ordering?\u003c\/h3\u003e\u003cp\u003eYes. Read the fitment notes above, as some parts only fit certain years or specifications of the Caterham 7 Metric Chassis DeDion without Watts Linkage.\u003c\/p\u003e","brand":"Powerflex","offers":[{"title":"Road Series \/ Ref 1 – Large Lower Wishbone Bush 12mm Bore (PF8-201) – 4 per car","offer_id":55889100177737,"sku":"PF8-201","price":37.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 2 – Front Upper Wishbone Front Bush (PF8-902) – 2 per car","offer_id":55889100210505,"sku":"PF8-902","price":42.43,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 12.5mm (PF8-905-12.5) – 2 per car","offer_id":55889100243273,"sku":"PF8-905-12.5","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 14.5mm (PF8-905-14.5) – 2 per car","offer_id":55889100276041,"sku":"PF8-905-14.5","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 16mm (PF8-905-16) – 2 per car","offer_id":55889100308809,"sku":"PF8-905-16","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 3 – Front Anti Roll Bar Bush 19mm (PF8-905-19) – 2 per car","offer_id":55889100341577,"sku":"PF8-905-19","price":25.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 4 – Front Upper Wishbone Rear Bush (PF8-904-10) – 2 per car","offer_id":55889100374345,"sku":"PF8-904-10","price":33.14,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 5 – DeDion \"A\" Frame Centre Bush (PF8-903)","offer_id":55889100407113,"sku":"PF8-903","price":36.47,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 5 – DeDion \"A\" Frame Centre Bush (PF8-907)","offer_id":55889100439881,"sku":"PF8-907","price":37.82,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 6 – DeDion \"A\" Frame Mounting Bush 12mm Bore (PF8-201) – 2 per car","offer_id":55889100472649,"sku":"PF8-201","price":37.15,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 7 – Radius Arm Front Bush (PF8-909-10) – 2 per car","offer_id":55889100505417,"sku":"PF8-909-10","price":30.5,"currency_code":"GBP","in_stock":true},{"title":"Road Series \/ Ref 8 – Radius Arm Rear Bush (PF8-201) – 2 per car","offer_id":55889100538185,"sku":"PF8-201","price":37.15,"currency_code":"GBP","in_stock":true},{"title":"Black Series \/ Ref 5 – DeDion \"A\" Frame Centre Bush (PF8-903BLK)","offer_id":55889100570953,"sku":"PF8-903BLK","price":40.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/files\/powerflex-caterham-7-metric-chassis-dedion-without-watts-linkage-2006-on_30155861-cf75-445d-88aa-7a62412f992d.jpg?v=1794275056"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0974\/9463\/0729\/collections\/powerflex-caterham-7-metric-chassis-dedion-without-watts-linkage-2006-on_16820f7f-b332-4aab-ab4a-ca69a6e41732.jpg?v=1794271614","url":"https:\/\/rrs-store.co.uk\/collections\/caterham-7-dedion-without-watts-linkage-powerflex-suspension-bushes.oembed","provider":"Race Rally Supplies","version":"1.0","type":"link"}