Synergy 8583-02/3 - Front Lower Control Long Arms for Dodge User Manual
Parts list, Installation
SYNERGY MFG. 870 INDUSTRIAL WAY, SAN LUIS OBISPO, CA (805) 242-0397
8583 – 03-12 DODGE 2500/3500 4X4, 06-08 1500 MEGACAB 4X4
Long Arm Front Lower Control Arms
GENERAL NOTES:
These instructions are also available on our website; www.synergymfg.com. Check the website before
you begin for any updated instructions and additional photos for your reference.
These arms are designed to be installed with Synergy Dodge Long Arm Brackets (8581). Full long arm
kit installation instructions are provided with the 8581 parts. Use 8581 Instructions for installation, save
these for a quick reference guide.
2003-2009 trucks feature a 16mm bolt at the axle, while 2010-2012 trucks feature an 18mm bolt at the
axle. Make sure you have the correct control arms per application. See parts list below for clarity.
The use of this long arm kit eliminates the need for factory cam washers. We recommend using
Synergy Cam Bolt Eliminator Kit (8560-16 or 8560-18) in conjunction with this long arm kit.
PARTS LIST:
8583-02 DODGE 03-09 LONG ARM, FRONT LOWER CONTROL ARMS (16mm @ axle)
(1) 858302-L Assembled Dodge Long Arm, Left FLCA (2003-2009)
(1) 858302-R Assembled Dodge Long Arm, Right FLCA (2003-2009)
OR
8583-03 DODGE 10-12 LONG ARM, FRONT LOWER CONTROL ARMS (18mm @ axle)
(1) 858303-L Assembled Dodge Long Arm, Left FLCA (2010-2012)
(1) 858303-R Assembled Dodge Long Arm, Right FLCA (2010-2012)
Parts / Tools Needed to complete installation:
Basic simple hand tools.
Quality jack and jack stands
Torque wrench
APPROXIMATE INSTALL TIME: 1-2 hours
INSTALLATION:
1) Lower Control Arm Installation – Install the front lower control arm. Note, the control arms come
assembled at their shortest length. Install them at their shortest length and make all length adjustments
with the arms installed using the double adjuster assembly. The Synergy double adjuster assembly is
designed to be adjusted without removal from vehicle. Turn the adjuster sleeve clockwise to shorten the