User Manual
UPPER SUPPORT
LOWER SUPPORT
COIL SPRING
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AIR HELPER SPRING
“A”-ARM
Note: Lubricate the hole in the
“A”-arm with a soap solution
before inserting the air spring.
FRONT OF VEHICLE
PASSENGER’S SIDE
RECOMMENDED OPERATING PRESSURES
1/2 TON VEHICLES 4 - 45 PSI
3/4 TON VEHICLES 10 - 60 PSI
GM P-30 10,000 LB. - 15,000 LB. GVWR 40 - 70 PSI
GM P-30 16,000 LB. GVWR AND UP 60 - 90 PSI
23-8500 07-12
DESCRIPTION QTY.
AIR SPRING 2
SUPPORTS 4
18' AIR LINE 1
NYLON TIE 6
CLIP 2
3/8" -16 X FLANGED LOCK NUT 2
PUSH-TO-CONNECT INFLATION VALVE 2
ELBOW FITTING 2
5/16" FLAT WASHER 4
THERMAL SLEEVE 2
PARTS LIST
READ INSTALLATION INSTRUCTIONS
IN ITS ENTIRETY BEFORE INSTALLING
YOUR COIL-RITE KIT
WARNING
Do not inate this assembly when it is
unrestricted. The assembly must be
restricted by a coil spring. Do not inate
beyond recommended operating pressures
for your specic vehicle. Improper use or
over ination may cause property damage or
severe personal injury.
FIRESTONE INDUSTRIAL PRODUCTS
CARMEL, INDIANA, USA
4100
FIGURE “A”






