The TeraFlex JL 4dr: 4.5” Coil Spring Base Lift Kit includes only the basic lift components and does not have the drivability of a full suspension system.
To correct suspension geometry, front control arm Sport Brackets, adjustable control arms, and/or adjustable front track bar are required.
Shocks are not included.
Falcon Performance SP2 Mode Adjust Shocks are recommended.
TeraFlex lift coil springs and Falcon shock absorbers have been engineered together to optimize both compression and rebound for vehicle stability.
4.5” Coil Spring Base Lift Kits are available without shock absorbers.
Falcon Performance Shocks can be purchased separately.
Specs: JL Wrangler Unlimited (4-door) Lift Height: 4.5” Max Tire Diameter: Sport/Sahara Fenders: 35” (with 3” front & 2.5” rear bump stops) Sport/Sahara Fenders: 37” (with 3.5” front & 4” rear bump stops) Rubicon Fenders: 37” (with 2.5” front & 3” rear bump stops) Aftermarket High Fenders: 39”+ (varies) Includes: 4.5” Lift Coil Springs (Front: #1864400 & Rear: #1864300) Front Track Bar Bracket (4.5” Lift) (#1953500) Rear Track Bar Bracket (2.5-4.5” Lift) (#1953600) 2” Bump Stop Strike Pad Extension Kit (#1959500) 0.5” Bump Stop Strike Pad Shim Kit (#1959300) 10.75” Front Sway Bar Link Kit (#744500) 11.5” Rear Sway Bar Link Kit (#XXXXXXX) All necessary hardware Note(s): Caster correction is required – NOT INCLUDED.
Proper suspension geometry ensures all stability controls function within factory parameters.
The following components are recommended to optimize caster and pinion angles and restore factory steering and suspension geometry: Front Control Arm Sport Brackets (#1938125), adjustable 8-Arm Alpine [IR] Short Control Arm Kit (Alpine: #1416610 | Alpine IR: #1416510), adjustable 8-Arm Alpine [IR] Long Control Arm & Bracket Kit (Alpine: #1316010 | Alpine IR: #1310510), and/or adjustable Alpine IR Front Track Bar (#1753420).
Aftermarket wheels with 4.75” backspacing or less are required – or Offset Wheel Adapters (#1057000) for stock wheels – NOT INCLUDED.
Models with plastic bumpers require the removal of bumper-to-fender wind deflector/splash guards to fit 35” or larger tires.
Sport/Sahara Fenders require 3” front and 2.5” rear bump stop extensions and shims (INCLUDED) to fit 35” tires.
Sport/Sahara Fenders require 3.5” front and 4” rear bump stop extensions and shims to fit 37” tires.
An additional 0.5” Bump Stop Strike Pad Shim Kit (#1959300) is required – NOT INCLUDED.
Rubicon Fenders require 2.5” front and 3” rear bump stop extensions and shims (INCLUDED) to fit 37” tires.
Aftermarket High Fenders are required to fit 39”+ tires.
Bump stop extension and shim requirements will vary based on setup including wheel/tire combination, shock collapsed length, and fenders.
Installer must check for clearances.
An additional 0.5” Bump Stop Strike Pad Shim Kit (#1959300) is recommended – NOT INCLUDED.
Longer shocks are required (NOT INCLUDED in base kit) – Falcon Performance SP2 Mode Adjust Shocks or TeraFlex 9550 VSS Twin-Tube Shocks are recommended.
Install Time: 5 Hours Available Configurations: JL 2-Door: 4.5” Spring Lift – No Shock Absorbers (#1402402) JL 4-Door: 4.5” Spring Lift – No Shock Absorbers (#1402400)
