Synergy Dual Durometer Bushings

Synergy Suspension Dual Durometer Bushings

Synergy Suspension Dual Durometer Bushing CutawayKar Kraft Engineering ® is on the forefront of leading product innovation. Kar Kraft worked with a suspension manufacturer to develop a high articulation dual durometer busing as replacement to heim, Clevite bushings and Johnny Joints®. How do you replace the segment leader? With disruptive technology.

Kar Kraft’s off road experts set the standard high by crafting industry defing KPIs: 32° degrees of articualtion, grease free, low NVH, maintenance free, no gaping and self-centering. The result? A teglow impregnated dual duromter bushing that offer high articualtion and has bump stock to clock movement.

  • Synergy Dual Durometer Bushing (DDB) Series
  • Feature a maintenance free, grease less design.
  • Self centering with 30 degrees of misalignment. (4320-01, 4320-02, 4320-03)
  • Outer “soft” durometer acts as bushing cushion and flex material.
  • Inner “hard” durometer lining acts as the bearing surface to allow free floating inner sleeve to rotate. Provides for a maintenance free “zero bind” bushing.
  • Internal bushing ring separates inner and outer materials to prevent inner sleeve gaping at extreme flex.
  • Direct replacement available for OEM Clevite style lower control arm bushing.
  • Bushings available for all suspension components made by Synergy MFG as well as many other companies.
  • Bushings are sold complete with inner sleeve installed.
Part # Description Fitment Mounting Width Bolt Size Housing Part # Length OD Wall ID
4320-01 LOWER CONTROL ARM BUSHING 8033, 8036, 8046, 8047, 8051, 8052, 8153, 8154, 8231, 8551-01, 8563-01, 8585 2.618″ 9/16″ / 14MM 4408-01 2.000″ 2.625″ 0.188″ 2.249″
4320-02 DODGE LOWER CONTROL ARM BUSHING 8551-02, 8563-02, 8583-02 2.618″ 16MM 4408-01 2.000″ 2.625″ 0.188″ 2.249″
4320-03 DODGE LOWER CONTROL ARM BUSHING 8551-03, 8563-03, 8583-03 2.618″ 18MM 4408-01 2.000″ 2.625″ 0.188″ 2.249″
4321-01 JEEP FRONT UPPER CONTROL ARM BUSHING 8035, 8053 2.000″ 12MM 4410-01 1.500″ 2.500″ 0.188″ 2.124″
4321-02 JEEP UPPER CONTROL ARM BUSHING 8151, 8232 2.000″ 10MM 4410-01 1.500″ 2.500″ 0.188″ 2.124″
4322-01 UPPER CONTROL ARM BUSHING 8038, 8054, 8553-01 2.360″ 9/16″ / 14MM 4407-01 1.750″ 2.500″ 0.188″ 2.124″
4323-01 JEEP TRACK BAR BUSHING 8062, 8068, 8075, 8087, 8233-03 1.600″ 9/16″ / 14MM 4402-01 1.375″ 1.875″ 0.188″ 1.499″
4323-02 JEEP TRACK BAR BUSHING 8155-01, 8156 1.600″ 12MM 4402-01 1.375″ 1.875″ 0.188″ 1.499″
4324-01 DODGE TRACK BAR BUSHING 8550-01, 8550-02 1.600″ 9/16″ / 14MM 4409-01 1.375″ 2.000″ 0.188″ 1.624″
4324-02 DODGE TRACK BAR BUSHING 8550-01 1.600″ 5/8″ / 16MM 4409-01 1.375″ 2.000″ 0.188″ 1.624″

Note: 4320-01, 4320-02 and 4320-03 have nylon outer shell.
Note: Parts in red do not yet come with these bushings.

Specifications:

 

Part # A
(MOUNTING
WIDTH)
B
(SHELL LENGTH)
C
(OD)
D
(SLEEVE ID)
4320-01 2.618 2 2.267 0.563
4320-02 2.618 2 2.267 0.638
4320-03 2.618 2 2.267 0.717
4321-01 2 1.75 2.135 0.505
4321-02 2 1.75 2.135 0.402
4322-01 2.32 1.75 2.135 0.563
4323-01 1.6 1.25 1.508 0.563
4323-02 1.6 1.25 1.508 0.525
4324-01 1.6 1.25 1.657 0.563
4324-02 1.6 1.25 1.657 0.638

 

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