Use this diagram for to help with tab measurements. Tubing diameter is what a radius tab will fit without modifications. trimming to enlarge the notch will allow the tab to fit larger tubing if necessary.

grub screws torsion leaf arm adjusters
Radius Tabs
Part Number
Hole Dia.
Stand Off
Thickness
Tube Dia.
Sold As
TAB-AA228A
1/4”
5/8“
1/8”
1"
Pair
TAB-AA112A
1/4”
1"
1/8”
1-1/4”
Pair
BWS-120
3/8”
5/8“
1/8”
1"
Pair
BWS-030
3/8”
1-1/4"
1/8”
1-1/4”
Pair
BWS-113375
3/8”
1-1/4"
1/8”
1-1/2”
Pair
BWS-112500
1/2”
1"
3/16“
1-1/2”
Pair
BWS-113
1/2”
1-1/4"
1/8”
1-1/2”
Pair
 
 

grub screws torsion leaf arm adjusters
Chromoly Radius Tabs
Part Number
Hole Dia.
Stand Off
Thickness
Tube Dia.
Sold As
PRM-09452
3/8”
1“
1/8”
1-1/2”
Single
           
           
           
           
 
 
 
 

grub screws torsion leaf arm adjusters
Chassis Offset Radius Tabs
Part Number
Hole Dia.
Stand Off
Thickness
Tube Dia.
Sold As
BWS-019375
3/8”
1-3/4“
3/16”
1-3/4”
Pair
BWS-019500
1/2"
1-3/4“
3/16”
1-3/4”
Pair
 
 
 
 

grub screws torsion leaf arm adjusters
Chromoly Bushing Radius Tabs
Part Number
Hole Dia.
Stand Off
Thickness
Tube Dia.
Sold As
PRM-SPT31612CM
1/2”
1"
3/16"
1-1/2"
Single
PRM-PT31612CM12
1/2”
1-3/8"
3/16"
1-3/4"
Single
PRM-PT31612CM
1/2”
1-1/4"
3/16"
1-1/2"
Single
PRM-PT31658CM
5/8”
1-3/8"
3/16"
1-3/4"
Single
PRM-PT31658CM12
5/8”
1-1/4"
3/16"
1-1/2"
Single
PRM-PT1458CM
5/8”
1-3/8"
1/4"
1-3/4"
Single
PRM-PT1458CM12
5/8”
1-1/4"
1/4"
1-1/2"
Single
PRM-PT1434CM
3/4”
1-3/8"
1/4"
1-3/4"
Single
PRM-PT14150CM
1"
1-1/4"
1/4"
1-1/2"
Single
PRM-PT14175CM
1"
1-3/8"
1/4"
1-3/4"
Single