{"product_id":"ast-digressive-piston-upgrade-suits-40mm-46mm-ast-dampers-set-of-4","title":"AST Digressive Piston Upgrade – Suits 40mm \u0026 46mm AST Dampers (Set of 4)","description":"\u003ch2\u003eAST Digressive Piston Upgrade – Suits 40mm \u0026amp; 46mm AST Dampers\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Suits AST 40mm and 46mm damper bodies | Does 4 shocks\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e35PI-L7-A1-012 — 40mm Digressive Piston\u003c\/li\u003e\n\u003cli\u003e35PI-L7-D9-012 — 46mm Digressive Piston\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003cp\u003eUpgrade your AST dampers with a digressive piston profile for improved handling response and greater low-speed damping sensitivity. The digressive piston design provides a softer initial response at low shaft velocities while building resistance more aggressively at higher velocities — ideal for track use where precise body control and driver feedback are critical.\u003c\/p\u003e\u003cp\u003eEach kit services a full set of 4 shocks, making it a complete solution for your AST-equipped vehicle. Compatible with AST 40mm and 46mm damper bodies across the 5100, 5200, and 5300 series platforms.\u003c\/p\u003e\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\u003ch3\u003eWhy AST?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ Engineered and manufactured in the Netherlands to exacting motorsport tolerances\u003c\/li\u003e\n\u003cli\u003e✅ Monotube damper architecture for superior heat dissipation and consistent performance\u003c\/li\u003e\n\u003cli\u003e✅ CNC-machined aluminium components for precision fitment and reduced unsprung weight\u003c\/li\u003e\n\u003cli\u003e✅ Fully rebuildable and serviceable — upgrade pistons, valving, and internals as your build evolves\u003c\/li\u003e\n\u003cli\u003e✅ Trusted by race teams and high-power builds worldwide across circuit, rally, and time attack disciplines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIf you're unsure whether this will fit your vehicle, contact our team of experts via email at \u003ca href=\"mailto:hello@iilumolab.com\"\u003ehello@iilumolab.com\u003c\/a\u003e and send through a few photos of the car for us to verify fitment.\u003c\/p\u003e\u003ch3\u003eInstallation\u003c\/h3\u003e\u003cp\u003eWe always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us \u003ca href=\"https:\/\/iilumolab.com.au\/pages\/contact-us\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003e\u003cstrong style=\"color: red;\"\u003eNote\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eProfessional installation and a comprehensive wheel alignment are highly recommended after fitting to ensure optimal tyre wear and handling performance.\u003c\/p\u003e\u003cp\u003eUpon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and\/or installation. Returns\/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable\/new condition.\u003c\/p\u003e","brand":"AST","offers":[{"title":"DPP 40mm","offer_id":50614675865762,"sku":"35PI-L7-A1-012","price":799.0,"currency_code":"AUD","in_stock":true},{"title":"DDP 46mm","offer_id":50614675898530,"sku":"35PI-L7-D9-012","price":799.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0501\/9739\/7666\/files\/image-coming-soon-ast_2d0ecae1-324a-4c9c-9f56-bf906ba62101.webp?v=1791954677","url":"https:\/\/iilumolab.com.au\/products\/ast-digressive-piston-upgrade-suits-40mm-46mm-ast-dampers-set-of-4","provider":"iilumolab","version":"1.0","type":"link"}