4Runner Suspension Upgrades You Need

Take your Toyota 4Runner or Lexus GX suspension to the next level with premium upgrades from AccuTune Offroad. Whether you’re rock crawling, overlanding, or daily driving, the right supporting parts are essential for unlocking maximum performance and durability. Our carefully curated lineup—including billet aluminum bump stop kits, KDSS drop brackets, extended stainless steel brake lines, heavy-duty shock boots, and SealSavers ProSeries Coil Savers—gives you everything you need to protect your investment and keep your suspension working flawlessly. From increased suspension travel and smooth bottom-out control to protecting shock shafts and springs from dirt, rocks, and debris, these upgrades ensure your 4Runner or GX is ready for any trail, desert run, or weekend adventure. Don’t just lift your rig—complete your suspension system with proven 4Runner upgrades engineered for performance, protection, and long-lasting reliability.

4Runner bump stop kit from AccuTune Offroad. This rear bump stop kit comes in different sizes depending on shocks and tire size you want to run. Choose the best height spacer that fits your suspension. Accutune foam bump stops offer a smooth and comfortable bottom our event, much softer than factory rubber bump stops.

AccuTune Offroad rear bump stop kit

  • 2 different length spacers
  • Made from billet aluminum
  • Includes custom foam bump stops
  • Designed for max suspension travel
  • DIY Friendly

Complete your 4Runner or GX460/GX470 suspension with the AccuTune Offroad bump stop kit. Designed with performance in mind, these billet aluminum spacers are matched to specific shock lengths to prevent premature bottoming. The AccuTune Offroad foam bump stops provide smooth, controlled bottom-out performance, letting you tackle rough trails or desert terrain with confidence and comfort.

KDSS drop bracket for the rear of 4Runners and GX460s from Black Gate Customs. These KDSS drop brackets are recommended for those with KDSS and want to run long travel shocks. These brackets keep the rear trac bar from hitting the sway bar at full droop.

Black Gate Customs KDSS drop brackets

  • Made from billet aluminum
  • DIY Friendly

If you’re lifting a KDSS-equipped 4Runner, these billet aluminum KDSS drop brackets are essential. They allow the rear suspension to fully articulate without binding or interference, ensuring your KDSS system continues to function properly. Keep your KDSS performing optimally when lifting your 4Runner with these Black Gate Customs KDSS brackets.

Extended rear brake line kit for a Toyota 4Runner. These extended brake lines are ideal for those with long travel rear shocks. These steel braided brake lines are a great upgrade for any 4Runner.

Crown Performance Extended Length 4Runner Brake Lines

  • 2” longer than stock
  • 5 layer stainless steel brake hoses
  • Kevlar reinforced construction
  • Made in the USA
  • DOT approved

When upgrading to 4Runner rear shocks with more travel than stock, extended-length brake lines are a must. Protect your braking system with these high-quality, USA-made extended brake lines from Crown Performance.

Ride Shocks, Shock boots

  • Holes at bottom of boot to help debris escape
  • Extreme long lasting rubber compound
  • Enough flex to not interfere with suspension movement
  • Sold in pairs
  • Includes 4pcs zip ties

Protect your shock shafts and seals from rocks and debris with these durable shock boots. Affordable and easy to install, they help keep your shafts and seals in top condition, extending shock life between rebuilds. Designed for 2.5” diameter shocks, they may also be compatible with some 2.0” body shocks.

Coil Savers

  • Made out of their NEW FlexPower material 
  • Durable material for long lasting use
  • Easy to install
  • Affordable
  • Sold in pairs

Protect your investment with ProSeries Coil Savers from SealSavers, now made from their advanced FlexPower material. Stronger, more flexible, and more durable than the original, these Coil Savers are built to withstand the harshest weather and toughest terrain without cracking or failing. By shielding your coilover springs and shock shafts from dirt, mud, and debris, they dramatically extend the life of your suspension and reduce the need for costly rebuilds. Don’t just upgrade your ride—protect it with SealSavers ProSeries Coil Savers.