{"product_id":"bc-racing-br-series-coilovers-1975-1978-datsun-280z-s30","title":"BC Racing BR Series Coilovers for 1975-1978 Datsun 280Z RWD (S30)","description":"\u003cp\u003eBC Racing BR Series Coilovers for the 1975-1978 Datsun 280Z (S30) are BC Racing's entry-level coilover and the most popular kit in their entire lineup — they offer the most accessible entry into adjustable coilover suspension without sacrificing performance, comfort, build quality, or handling. Every kit is extensively tested on the 280Z S30 chassis and refined until it balances ride quality with performance — the reason 280Z coilovers from BC Racing are the best-selling adjustable kits in their segment worldwide.\u003c\/p\u003e\n\u003cp\u003eEvery BR Series kit is built around a mono-tube damper with simultaneous compression and rebound adjustment at every corner — a wide damping range without the complexity of a race-only setup. Ride height is fully adjustable independent of spring preload, so you set the stance and the ride separately. Where BC Racing separates itself is tuning philosophy: every off-the-shelf spring rate and damper setup is chosen to stay comfortable on daily roads while still delivering real performance at the track. If you want something different, Swift Springs, custom rates, and custom valving are all options at checkout — BC will match the valving of the dampers to whatever springs you pick, something most brands don't offer outside their flagship race lineup.\u003c\/p\u003e\n\u003cp\u003eBC Racing has been manufacturing adjustable coilovers since 2004 and is one of the most popular coilover brands in the automotive tuning industry for a reason: competitive pricing, deep customization, proven reliability, and a fully rebuildable damper design that lasts years instead of seasons. These 280Z coilovers arrive tuned for the S30 chassis and ready to install — note that this is a weld-in kit and requires professional fabrication. Every kit ships with a 2-year manufacturer warranty, lifetime access to BC service parts (pistons, seals, shafts — no unit replacement required when it's time for a rebuild), and in-house tech support from both BC Racing and the Springrates team.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e30-level simultaneous compression\/rebound damping adjuster\u003c\/li\u003e\n\u003cli\u003eMono-tube damper with linear piston and hardened chrome shaft\u003c\/li\u003e\n\u003cli\u003eRide height adjustable independent of spring preload\u003c\/li\u003e\n\u003cli\u003eUpper mount hardware varies by chassis — camber plates, pillowball, or reused OEM mounts. See the Specifications table for what's included on your kit.\u003c\/li\u003e\n\u003cli\u003eSwift Spring and custom spring rate upgrades available at checkout\u003c\/li\u003e\n\u003cli\u003eCustom damper valving paired with custom spring rates on request\u003c\/li\u003e\n\u003cli\u003eFully rebuildable — replacement parts available from BC for the life of the shock\u003c\/li\u003e\n\u003cli\u003e2-year manufacturer warranty against defects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped table-primary\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eD-49-BR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Name\u003c\/td\u003e\n\u003ctd\u003eBR Series Coilovers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003e1975-1978 Datsun 280Z RWD (S30)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrivetrain\u003c\/td\u003e\n\u003ctd\u003eRWD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Code\u003c\/td\u003e\n\u003ctd\u003eS30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping Adjustment\u003c\/td\u003e\n\u003ctd\u003e1-Way (30 levels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRide-Height Adjustable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate - Front\u003c\/td\u003e\n\u003ctd\u003e4 kg\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate - Rear\u003c\/td\u003e\n\u003ctd\u003e5 kg\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Size - Front\u003c\/td\u003e\n\u003ctd\u003e62-180-4K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Size - Rear\u003c\/td\u003e\n\u003ctd\u003e62-220-5K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwift Springs - Front\u003c\/td\u003e\n\u003ctd\u003e62-178-X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwift Springs - Rear\u003c\/td\u003e\n\u003ctd\u003e62-203-X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamber Plates - Front\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamber Plates - Rear\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Design - Front\u003c\/td\u003e\n\u003ctd\u003eTrue Coilover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension Design - Rear\u003c\/td\u003e\n\u003ctd\u003eTrue Coilover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotes\u003c\/td\u003e\n\u003ctd\u003e\u003cul\u003e\n\u003cli\u003e3-Bolt Camber Plates are standard.\u003c\/li\u003e\n\u003cli\u003eWelding is required for installation.\u003c\/li\u003e\n\u003cli\u003eInstallation requires welding; this is a weld-in kit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eVehicle Fitment\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e1975 Datsun 280Z RWD (S30)\u003c\/li\u003e\n\u003cli\u003e1976 Datsun 280Z RWD (S30)\u003c\/li\u003e\n\u003cli\u003e1977 Datsun 280Z RWD (S30)\u003c\/li\u003e\n\u003cli\u003e1978 Datsun 280Z RWD (S30)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BC Racing","offers":[{"title":"3-Bolt \/ 3-Bolt","offer_id":4977776295970,"sku":"D-49-BR","price":1390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2534\/9336\/files\/D-49-BR-1_53634c8b-4db0-4976-9ad7-39eab5764a01.jpg?v=1777263755","url":"https:\/\/bc.springrates.com\/products\/bc-racing-br-series-coilovers-1975-1978-datsun-280z-s30","provider":"BC Racing - Springrates.com","version":"1.0","type":"link"}