{"product_id":"off-road-springs","title":"Hi Performance Off-road Springs","description":"\u003cp\u003eGenuine Black Series OEM hi-performance coil springs for HQ Series camper trailers. Factory-fitted to all HQ Series models — these are the direct replacement specification springs used in production.\u003c\/p\u003e\u003cp\u003eThe progressive spring rate (130–150 N\/mm) provides a compliant ride on lighter loads while stiffening progressively as load increases — important for a camper that's often towed both empty and fully laden. Powder-coated red to match the HQ suspension system aesthetic.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Powder coated red\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e Ø18.5mm wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring dimensions:\u003c\/strong\u003e 120.5 × 288mm body\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring rate:\u003c\/strong\u003e 130–150 N\/mm (progressive)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal coils:\u003c\/strong\u003e 9.5 (8.0 live, 1.5 dead)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing length:\u003c\/strong\u003e 248mm at 5338N (version 2.0)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e All Black Series HQ Series Universal\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Black Series","offers":[{"title":"Default Title","offer_id":46678518989101,"sku":"RVP-00007","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/5625\/2717\/files\/CE9105ED-D62E-4334-998F-CD359226CE42.png?v=1752943324","url":"https:\/\/www.rvpartsgiant.com\/products\/off-road-springs","provider":"RVPartsGiant","version":"1.0","type":"link"}