EVO LCG HD Coilover Spring Upgrades – 2007–2018 Jeep Wrangler JK

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Regular price $199.00
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Replacement Coil
Product details
  • Vendor EVO Manufacturing
  • Mfr. Part # EVO-S101F

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Select the individual lower-coil pair, rear-upper coil pair or matched front-and-rear set for an existing EVO SPEC King LCG bolt-on coilover system on 2007–2018 Jeep Wrangler JK/JKU. The original S101F and S101R selections each contain TWO springs. The S102 selection contains FOUR springs: two 12-inch front-lower replacements and two 10-inch rear-upper replacements. These are replacement coilover springs only, not complete coilover shocks, factory-position lift coils or JL/JT springs. Confirm the actual spring position and vehicle load; no fixed lift increase, spring rate or universal-coilover compatibility is claimed. Do not buy both individual pairs as well as the matching set.

Replacement Coil: Lower Coil Pair (S101F) · EVO-S101F

ONE PAIR of TWO HD replacement springs only for2007–2018JK/JKU EVO SPEC King LCG bolt-on coilovers, not complete shocks or factory-position lift coils. S101F: FRONT LOWER replacement; current EVO guidance also allows REAR LOWER replacement AFTER the rear upper HD upgrade is already installed. Not JL/JT S103F springs. Shipping weight 10 lb per pair in 1 source box.

EVO MFG Bolt on Coilover owners running a fully accessorized Jeep JK/JKU and/or looking for additional lift the EVO HD Coilover springs are here to help you achieve that. This product requires a simple swap of springs on your EVO MFG Bolt on Coilovers with a floor jack and basic hand tools.
Features:

  • Location: Front
  • Installation Time: 1.0-2.0 Hours
  • Color: Blue
  • Mount Style: Bolt On
  • Sold As: Pair

Choose by the actual coilover/spring position and vehicle load, not a fixed lift-height promise. Additional rear load/rate upgrades require setup review rather than automatically ordering duplicate pairs. EVO estimates1–2hours installation.

Replacement Coil: Rear Upper Coil Pair (S101R) · EVO-S101R

ONE PAIR of TWO HD replacement springs only for2007–2018JK/JKU EVO SPEC King LCG bolt-on coilovers, not complete shocks or factory-position lift coils. S101R: REAR UPPER replacement. Not JL/JT S103F springs. Shipping weight 7 lb per pair in 1 source box.

EVO MFG Bolt on Coilover owners running a fully accessorized Jeep JK/JKU and/or looking for additional lift the EVO HD Coilover springs are here to help you achieve that. This product requires a simple swap of springs on your EVO MFG Bolt on Coilovers with a floor jack and basic hand tools.
Features:

  • Location: Rear
  • Installation Time: 1.0-2.0 Hours
  • Color: Blue
  • Mount Style: Bolt On
  • Sold As: Pair

Choose by the actual coilover/spring position and vehicle load, not a fixed lift-height promise. Additional rear load/rate upgrades require setup review rather than automatically ordering duplicate pairs. EVO estimates1–2hours installation.

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Replacement Coil: Front and Rear Set (S102) · EVO-S102

Matched FOUR-spring HD replacement set for the existing EVO SPEC King LCG front and rear bolt-on coilovers on 2007–2018 Wrangler JK/JKU. The supplier component list identifies S101F and S101R; the S102 manual specifies 12-inch springs for the FRONT LOWER coilover position and 10-inch springs for the REAR UPPER position.

Powder-coated blue springs only. Coilover shocks, mounts and a complete vehicle lift system are not included. Load, accessories and the existing coilover setup affect the final ride height; select the spring package for the actual build. The manufacturer also describes a higher-rate rear upper/lower arrangement for especially heavy or tall builds; this requires setup review and is not a universal substitute for the normal front-lower/rear-upper arrangement.

Installation requires safely unloading and disassembling the coilover spring stack, reinstalling the retainers and setting preload/ride height to the manufacturer instructions. Use a trained installer; EVO estimates 1–2 hours. Do not remove loaded spring retainers or copy an unverified spring-preload setting.

S102 manufacturer installation instructions