![]() Synthetic Elastomer is a long-chained polymer with many urethane constituents. These bushings will save you about 30 minutes of maintenance! The bushings are Synthetic Elastomer. With the JBA EZ Lube bushing, there is no need to loosen the mounting bolts to release the grease pressure. When the ports are full the excess grease flows out over the check valves on the flange of the bushings. When you pump grease in the grease ports it builds up pressure and flows all around the ports in the bushing. ![]() The EZ lube bushings have grease ports with a check valve. JBA has a patent on our control arm bushings. If you go in mud pits or across streams with your Toyota, grease the ball joint after you are done for the day. ![]() These grease fittings should be greased every 3000 to 5000 miles or when you change your engine oil. The JBA upper control arms have 3 grease fittings on each arm. So with the lift kit, you get between 3 & 4.5 degrees of caster, giving the vehicle perfect handling offroading and on the highway! We have moved the upper ball joint back to give the alignment tech the ability to move the lower ball joint forward. The angle between the two ball joints is the caster. "More caster" is the top ball joint moved back toward the cab and the lower ball joint moved forward away from the cab. Our upper control arms have 3 degrees of built-in caster. The JBA upper control arms will fix your problem! No more driving with your hands gripping tightly on the steering wheel to keep your vehicle centered on the road at 65 miles per hour. Jeep SRT8 / Lowered Grand Cherokee WK A-armsÄoes your Toyota Tundra or Sequoia drift off the road after you installed your lift kit?.JBA Upper Control Arms Jeep Grand Cherokee WK.JBA Upper Control Arm Replacement Parts.Designed for vehicles with a 6" or higher drop bracket lift kit.Heim upper control arms are fully adjustable to allow maximum tuning of caster and camber.TC includes 3/4" Chromoly lined Heim Joints for the pivots.Complete grade 8 hardware kit is included. ![]() 3 stage powder coat process includes a durable clear coat to provide a long lasting finish.Control arm pivots include zerk fittings to grease the bushings and inner sleeves without disassembly.Urethane bushings reduce deflection compared to stock rubber bushings.Custom profile upper and lower hi-misalignment spacers are machined from 17-4 stainless-steel to maximize strength and wheel travel.CNC tapered spindle adapters convert the factory ball joint to a 1" Uniball for easy installation.These Uniballs also feature a military grade PTFE woven fabric liner that helps prevent noise and reduce maintenance. Uniballs feature a heat-treated stainless-steel ball & heat-treated stainless-steel race for maximum corrosion resistance and component longevity. The added caster reduces the darting or wandering in the vehicles steering and helps retain the factory alignment specifications. Vehicles that have an increased ride height are harder to align. The Uniball cup placement is moved to correct the caster angle that is lost with aftermarket lift kits.4130 Chromoly tubular upper control arms are 100% bolt on and hand crafted in the USA.Designed to maintain factory alignment specs on vehicles with 1.5"-3" lift kits.TC Upper Control Arms combined with extended length coil over shocks will allow for up to 2" of additional wheel travel.
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