BC Racing ER Series Coilovers for 2017-2026 Lexus IS350 RWD (GSE31) Front Fork Lower Mount

Product Details

BC Racing ER Series Coilovers for the 2017-2026 Lexus IS350 RWD (GSE31) Front Fork Lower Mount put race-grade adjustability in reach of the serious track-day driver, with independent compression and rebound tuning at every corner. Every kit is developed specifically for the Lexus GSE31 IS350 and refined to balance ride quality with performance, which is why BC coilovers are the best-selling adjustable kits in their segment worldwide.

ER Series kits run a linear twin-piston design in a mono-tube body, with compression and rebound on separate external adjusters. That lets you fine-tune chassis balance corner by corner, stiffer front for turn-in, softer rear for exit grip, whatever the session calls for. 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.

BC Racing's reputation in the aftermarket suspension world is built on four things: competitive pricing that beats the rest of the fully-adjustable market, customization depth that rivals the top-tier race brands, long-term reliability earned over 20 years of production, and a rebuildable design that keeps the same set of dampers serving you through multiple builds. These BC Racing GSE31 IS350 coilovers arrive ready to bolt in, with no break-in period and no guessing at setup. 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.

Features

• 30-level rebound adjustment (top of damper)
• 30-level compression adjustment (external reservoir)
• Mono-tube damper with linear twin-piston design
• Ride height adjustable independent of spring preload
• Upper mount hardware varies by chassis, camber plates, pillowball, or reused OEM mounts. See the Specifications table for what's included on your kit.
• Swift Spring and custom spring rate upgrades available at checkout
• Custom damper valving paired with custom spring rates on request
• Fully rebuildable, replacement parts available from BC for the life of the shock
• 2-year manufacturer warranty against defects

Specifications