🔧 EZ TRAC Axle Measurement Form
Complete all measurements to help us build your custom axle kit
📏 Get as close as possible: +/- 0.125"
Project Information
Project Number *
Your Name *
Your Email *
Left Hand (LH) Arm Measurements
G - Axle Pad to Top of Steer
Axle Pad to top of steer
H - King Pin Center to Arm
King Pin Center to arm
K - Arm Thickness
Arm Thickness
Z - Arm Offset
Arm Offset
L - Drag Link Pin Minor Diameter
Minor diameter of taper stud hole, measured at nut side. Drag link below = nut on top; drag link above = nut on bottom.
Tap to enlarge
0.940" — 1.5°/ft taper
1.040" — 1.5°/ft taper
0.916" — 2°/ft taper (Mack/Volvo)
Other
I don't know
Remove castle nut and measure the hole diameter under the nut.
For assistance removing the taper pin, search
Tiger Tool 10301
removal tool.
LH Drag Link
Drag link above or below arm?
Select...
Above
Below
N/A
LH Steer Arm Only?
If checked, RH Drag Link will be set to N/A
LH Steer Arm Only
Right hand arm measurements are different
Right Hand (RH) Arm Measurements
G - Axle Pad to Top of Steer
H - King Pin Center to Arm
K - Arm Thickness
Z - Arm Offset
L - Drag Link Pin Minor Diameter
Minor diameter of taper stud hole at nut side.
0.940" — 1.5°/ft taper
1.040" — 1.5°/ft taper
0.916" — 2°/ft taper (Mack/Volvo)
Other
I don't know
Remove castle nut and measure the hole diameter under the nut.
For assistance removing the taper pin, search
Tiger Tool 10301
removal tool.
RH Drag Link
Drag link above or below arm?
Select...
Above
Below
N/A
Left Hand (LH) Suspension Measurements
Note:
Some springs have jounce stop, some have spacers, some have shock mount on top, bottom, or none. If there is a taper shim or angle bracket, measure to the center and note shim is present.
T - Top Cap from Spring
Top cap from spring to ___
L - Leaf Springs Thickness
Leaf Springs Thickness
S - Spacer Thickness
Spacer Thickness or 0
X - Shock Mount Location
Top, Bottom, or None
Select...
Top
Bottom
None
Right hand suspension measurements are different
Right Hand (RH) Suspension Measurements
T - Top Cap from Spring
L - Leaf Springs Thickness
S - Spacer Thickness
X - Shock Mount Location
Select...
Top
Bottom
None
Additional Information
Notes (Optional)
Photos (Optional)
📸 Upload photos of the measurements for reference
Submit Measurements
✅ Measurements submitted successfully! Our team will process your custom axle kit.
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