These are longer than the Firestone 4135 for lifted vehicles
Complete kit – 1 per vehicle
Inserts inside your rear coil springs to add additional load support
Manually inflate or deflate the air bags to add or remove support or height
Perfect for people who tow, or regularly load up fully and need additional height or support
Route the airlines to your rear bumper or a suitable place to easily add or remove air to the bags
Fitment Notes: NOTE: Custom modifications may be required for lifted applications to ensure air bags are properly supported. If using on a lifted application, do not follow Firestone bump stop/jounce cut instructions. You will need to determine where to cut based on your lift amount (not cutting off as much depending on lift height)
Firestone 4108 air spring helper kit, for many Toyota and Lexus SUV’s, designed for those who have varying rear loads where coils alone can’t suit all the ways the vehicle is used. These are for 2-3″ of lift, not for lower lift heights
Kit Number: W237604108
Designed to work in temperatures between -40˚F (-40˚C) and 180˚F (82˚C)
Easily control air pressure in the air springs for varying loads and conditions
Spring performance can be altered as easily as inflating a tire
Made of durable, elastic polyurethane
Complete kit – 1 per vehicle
Inserts inside your rear coil springs to add additional load support
Manually inflate or deflate the air bags to add or remove support or height
Perfect for people who tow, or regularly load up fully and need additional height or support
Variable rate coils’ initial rate could pinch the air bags at full extension then compression
Route the airlines to your rear bumper or a suitable place to easily add or remove air to the bags
Fitment Notes:NOTE: Custom modifications may be required for lifted applications to ensure air bags are properly supported. If using on a lifted application, do not follow Firestone bump stop/jounce cut instructions. You will need to determine where to cut based on your lift amount.
Firestone 4108 Suits all 3rd/4th/5th Gen 4Runners, FJ Cruiser, GX470, GX460 WITH 2-3″ lift coils. For a lower lift height, use Firestone 4135 instead.
FILL KIT: MANUAL
LOAD CAPACITY: 1000LBS
INSTALLATION: NO DRILL
IN-BED HITCH: NOT COMPATIBLE
MIN. AIR PRESSURE: 5 PSI
MAX AIR PRESSURE: 35 PSI
INSTALL TIME: 1 HOUR
LEXUS YEARS
GX470 2003-2009
GX460 2010-2023
TOYOTA YEARS
4 Runner 2WD, 4WD 1998-2024
FJ Cruiser 2WD, 4WD 2007-2014
1996 Toyota 4Runner Airbag Kit
1997 Toyota 4Runner Airbag Kit
1998 Toyota 4Runner Airbag Kit
1999 Toyota 4Runner Airbag Kit
2000 Toyota 4Runner Airbag Kit
2001 Toyota 4Runner Airbag Kit
2002 Toyota 4Runner Airbag Kit
2003 Toyota 4Runner Airbag Kit
2004 Toyota 4Runner Airbag Kit
2005 Toyota 4Runner Airbag Kit
2006 Toyota 4Runner Airbag Kit
2007 Toyota 4Runner Airbag Kit
2008 Toyota 4Runner Airbag Kit
2009 Toyota 4Runner Airbag Kit
2010 Toyota 4Runner Airbag Kit
2011 Toyota 4Runner Airbag Kit
2012 Toyota 4Runner Airbag Kit
2013 Toyota 4Runner Airbag Kit
2014 Toyota 4Runner Airbag Kit
2015 Toyota 4Runner Airbag Kit
2016 Toyota 4Runner Airbag Kit
2017 Toyota 4Runner Airbag Kit
2018 Toyota 4Runner Airbag Kit
2019 Toyota 4Runner Airbag Kit
2020 Toyota 4Runner Airbag Kit
2021 Toyota 4Runner Airbag Kit
2022 Toyota 4Runner Airbag Kit
2023 Toyota 4Runner Airbag Kit
2024 Toyota 4Runner Airbag Kit
2006 Toyota FJ Cruiser Airbag Kit
2007 Toyota FJ Cruiser Airbag Kit
2008 Toyota FJ Cruiser Airbag Kit
2009 Toyota FJ Cruiser Airbag Kit
2010 Toyota FJ Cruiser Airbag Kit
2011 Toyota FJ Cruiser Airbag Kit
2012 Toyota FJ Cruiser Airbag Kit
2013 Toyota FJ Cruiser Airbag Kit
2014 Toyota FJ Cruiser Airbag Kit
2015 Toyota FJ Cruiser Airbag Kit
2016 Toyota FJ Cruiser Airbag Kit
Suits all 3rd/4th/5th Gen 4Runners, FJ Cruiser, GX470, GX460 WITH 2-3″ of Lift
These are an alternate to Firestone 4108
Complete kit – 1 per vehicle
Inserts inside your rear coil springs to add additional load support
Manually inflate or deflate the air bags to add or remove support or height
Perfect for people who tow, or regularly load up fully and need additional height or support
Route the airlines to your rear bumper or a suitable place to easily add or remove air to the bags
Ships from multiple warehouses across the country for faster shipping times
Fitment Notes: NOTE: Custom modifications may be required for lifted applications to ensure air bags are properly supported. If using on a lifted application, do not follow bump stop/jounce cut instructions. You will need to determine where to cut based on your lift amount (not cutting off as much depending on lift height)
Suits 2003-2009 4th Gen 4Runner, 2006-2009 FJ Cruiser, 2005-2023 Tacoma (2nd and 3rd Gen Tacoma), Lexus GX470, Toyota Prado 120, and 2005-2015 Toyota Hilux Vigo
3-way adjustable valving – adjust high and low speed compression and rebound
Massive 56mm (2.2″) Outer body with 50mm (1.97″) Bore and Piston
