{"product_id":"ast-5100-series-1-way-with-front-top-mount-inverted-co-suspension-for-porsche-997-c4-c4s-turbo-4-turbo-s-2005-2009","title":"AST 5100 Series 1-way with Front Top Mount INVERTED CO Suspension for Porsche 997  Carrera 4 \/ 4S \/ Turbo 4  \/ Turbo S - 2005-2009","description":"\u003ch3 data-start=\"156\" data-end=\"212\"\u003eAST 5100 Series 1-Way Inverted Coilover Suspension\u003c\/h3\u003e\n\u003cp data-start=\"213\" data-end=\"263\"\u003e\u003cstrong data-start=\"213\" data-end=\"263\"\u003ePorsche 997 911 Turbo (2005–2009)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"213\" data-end=\"263\"\u003eThe AST 5100 Series 1-Way Inverted Coilover Suspension is a high-performance suspension solution developed specifically for the Porsche 997 Carrera 4\/4S and Turbo, delivering exceptional handling, improved feedback, and enhanced control for fast road and track-focused driving.\u003c\/p\u003e\n\u003cp data-start=\"545\" data-end=\"879\"\u003eFeaturing an \u003cstrong data-start=\"558\" data-end=\"589\"\u003einverted front strut design\u003c\/strong\u003e for increased rigidity and durability, this kit includes \u003cstrong data-start=\"647\" data-end=\"671\"\u003eAST front top mounts\u003c\/strong\u003e to allow for precise suspension geometry and improved steering response. The monotube dampers are engineered and assembled in the Netherlands, offering motorsport-derived performance with everyday usability.\u003c\/p\u003e\n\u003cp data-start=\"881\" data-end=\"1052\"\u003eIdeal for enthusiasts seeking a premium suspension upgrade without compromise, the AST 5100 Series strikes the perfect balance between comfort, control, and adjustability.\u003c\/p\u003e\n\u003chr data-start=\"1054\" data-end=\"1057\"\u003e\n\u003cp data-start=\"1059\" data-end=\"1086\"\u003e\u003cstrong data-start=\"1059\" data-end=\"1084\"\u003eTechnical Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1087\" data-end=\"1643\"\u003e\n\u003cli data-start=\"1114\" data-end=\"1267\"\u003e\n\u003cp data-start=\"1116\" data-end=\"1144\"\u003e\u003cstrong data-start=\"1116\" data-end=\"1142\"\u003eVehicle Compatibility:\u003cbr\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1147\" data-end=\"1267\"\u003e\n\u003cli data-start=\"1147\" data-end=\"1178\"\u003e\n\u003cp data-start=\"1149\" data-end=\"1178\"\u003ePorsche 911 (997) Carrera 4\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1181\" data-end=\"1213\"\u003e\n\u003cp data-start=\"1183\" data-end=\"1213\"\u003ePorsche 911 (997) Carrera 4S\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1216\" data-end=\"1267\"\u003e\n\u003cp data-start=\"1218\" data-end=\"1267\"\u003ePorsche 911 (997) Turbo 4 \/ Turbo S\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1496\" data-end=\"1522\"\u003e\n\u003cp data-start=\"1498\" data-end=\"1522\"\u003eModel years: 2005–2009\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1525\" data-end=\"1554\"\u003e\n\u003cp data-start=\"1527\" data-end=\"1554\"\u003eDrivetrain: AWD (Turbo 4)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1087\" data-end=\"1123\"\u003e\n\u003cp data-start=\"1089\" data-end=\"1123\"\u003e\u003cstrong data-start=\"1089\" data-end=\"1106\"\u003eManufacturer:\u003c\/strong\u003e AST Suspension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1124\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1126\" data-end=\"1144\"\u003e\u003cstrong data-start=\"1126\" data-end=\"1137\"\u003eSeries:\u003c\/strong\u003e 5100\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1145\" data-end=\"1211\"\u003e\n\u003cp data-start=\"1147\" data-end=\"1211\"\u003e\u003cstrong data-start=\"1147\" data-end=\"1159\"\u003eDamping:\u003c\/strong\u003e 1-way adjustable (rebound \u0026amp; compression combined)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1212\" data-end=\"1262\"\u003e\n\u003cp data-start=\"1214\" data-end=\"1262\"\u003e\u003cstrong data-start=\"1214\" data-end=\"1232\"\u003eConfiguration:\u003c\/strong\u003e Inverted front strut design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1263\" data-end=\"1312\"\u003e\n\u003cp data-start=\"1265\" data-end=\"1312\"\u003e\u003cstrong data-start=\"1265\" data-end=\"1280\"\u003eTop Mounts:\u003c\/strong\u003e Front AST top mounts included with ACT- P2204S\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1313\" data-end=\"1351\"\u003e\n\u003cp data-start=\"1315\" data-end=\"1351\"\u003e\u003cstrong data-start=\"1315\" data-end=\"1331\"\u003eDamper Type:\u003c\/strong\u003e Monotube coilover\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1354\" data-end=\"1387\"\u003e\u003cstrong data-start=\"1354\" data-end=\"1381\"\u003eRide Height Adjustment:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1422\"\u003e\u003cstrong data-start=\"1390\" data-end=\"1398\"\u003eUse:\u003c\/strong\u003e Fast road \/ track day\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1422\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1422\"\u003e\u003cstrong data-start=\"1425\" data-end=\"1451\"\u003e\u003cstrong style=\"font-size: 0.875rem;\" data-start=\"1589\" data-end=\"1607\"\u003eBuild Quality: \u003c\/strong\u003e\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eHand-assembled in the Netherlands \u003c\/span\u003e\u003c\/p\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1422\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cstrong\u003eFully rebuildable design:\u003c\/strong\u003e\u003cspan\u003e AST Moton suspension can be completely disassembled, serviced, and rebuilt, extending service life and allowing re-valving or refurbishment to restore like-new performance rather than replacement.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eUpgrading: \u003c\/span\u003e\u003cspan\u003eAST 5100\/5200\/5300 “5000-series” dampers are built modularly and can be upgraded, but what’s involved depends on which step you’re taking and your exact Porsche chassis\/kit spec.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e5100 → 5200 or 5300: Generally possible by sending the dampers to an authorized AST rebuild\/upgrade center to add the required internals and remote reservoirs (and associated hardware). This “upgrade path” is a commonly stated feature of the AST 5000-series modular design.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"2\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e5200 → 5300: Typically the straightforward upgrade (adding the extra compression circuit\/adjustment hardware). Many dealers describe the 5200 as a good “start here, upgrade later” option for that reason. \u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb id=\"docs-internal-guid-4b48be1b-7fff-957e-598e-c682ca6bbda8\"\u003e\u003cspan\u003eFor any questions and more details re upgrade options please speak to a member of the team\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1422\"\u003e\n\u003cb\u003e\u003cspan\u003eInstallation: \u003c\/span\u003e\u003c\/b\u003eProfessional installation is recommended\u003cbr\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePASM Vehicles: \u003c\/strong\u003eVehicles fitted with Porsche Active Suspension Management (PASM) will require coding to prevent faults \u0026amp; error messages \u0026amp; correctly disable the system. \u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003eAs an alternative option, where access to coding is not possible, a PASM cancellation kit can be purchased through us at RW Performance. If you are unsure and need any technical advice, please contact a member of the team!\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Rennworks","offers":[{"title":"With Front Top Mounts","offer_id":56767650791759,"sku":"ACT-P2204S","price":4332.0,"currency_code":"GBP","in_stock":true},{"title":"With Front and Rear Top Mounts","offer_id":56767650824527,"sku":"ACC-P2204S","price":4848.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0942\/0924\/5519\/files\/ACT-TCO-SAMPLE-1_result_3d36ef49-7792-47d5-9913-fd7f13dff16b.webp?v=1767711089","url":"https:\/\/rennworks-performance.com\/products\/ast-5100-series-1-way-with-front-top-mount-inverted-co-suspension-for-porsche-997-c4-c4s-turbo-4-turbo-s-2005-2009","provider":"Rennworks Performance","version":"1.0","type":"link"}