Suspension / Steering / Solid/Spherical Race Components

"Eyeball Arms" Control Arm Bushings - E30 and E36 -- These arms, made by Treehouse Racing take the common performance control arm bushing to the next level. Made of precision CNC machined steel with a self-lubricating nylon-moly bushing, these arms eliminate suspension geometry movement under cornering . . .
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3 Series BMW CCA Front Control Arm Bushing -- Even upgraded control arm bushings allow some amount of front suspension movement. This is not optimum for tuning your suspension and driving for maximum performance. No race "look-alike". These aluminum and Delrin replacements are the only . . .
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3 Series Delrin Control Arm Bushings -- Delrin is a very hard, durable plastic, excellent for non-compliant suspension components. These bushings will stiffen your car's suspension, allowing less flex and geometry change which detracts from handling, especially in hard driving situations. . . .
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3 Series Front Control Arm Bearing -- Even upgraded control arm bushings allow some amount of front suspension movement. This is not optimum for tuning your suspension and driving for maximum performance. No race "look-alike". These spherical bearing replacements contain Aircraft quality . . .
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3 Series Rear Shock Mounts - Spherical Bearing Race -- With a lifetime warranty on our aluminum/urethane rear shock mounts(RSMs), you don't need these on your street car! However if you are looking for the ultimate in performance from a rear shock mount, look no further. RSMs are a common failure item on . . .
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Adjustable Camber/Castor Plates - E30 Street Spring/Spec E30 -- True race quality castor/camber plate for use with stock style springs for E30 3 Series cars. Manufactured by Ground Control, these plates are slotted for independent adjustment of both camber and castor. Features like a CNC machined aluminum . . .
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Adjustable Camber/Castor Race Plates -- Manufactured by Ground Control, these race quality plates are slotted for independent adjustment of both camber and castor. Features like CNC machined aluminum housing, Aircraft quality spherical and needle bearings, and steel slider inserts . . .
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E30 Aluminum Subframe Bushings -- Subframe movement will allow your entire rear geometry to shift, resulting in sloppy handling. These aluminum solid mounts keep your suspension in precise alignment. CNC machined from solid aluminum with a black anodized finish. Fits all E30 3 . . .
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E36 and E46 Aluminum Subframe Bushings -- Subframe movement will allow your entire rear geometry to shift, resulting in sloppy handling. These aluminum solid mounts keep your suspension in precise alignment. Additionally, on high powered street cars, these bushings will reduce chassis metal . . .
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E36 Race Front Control Arms -- Our E36 race control arms are precision machined so that each joint is exactly in the correct location. We have duplicated the geometry from our E36 World Challenge racecars which compensates for the dramatically lowered stance of most racecars to regain . . .
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E36 Widebody/E46 Race Front Control Arms -- Our race control arms are completely precision machined using blank castings so that each joint is exactly in the correct location (not the case with factory arms!). We have duplicated the geometry from our World Challenge racecars which compensates . . .
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E36/E46 3 Series Rear Articulating Spring Perch/Weight Jack -- This new Ground Control piece makes life a lot easier at the track. Recommended for race use only, this is a rear adjustable height spring perch for the stock location. Bottom adjustment means you can now cornerweight your car as it is loaded on . . .
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E36/E46 Rear Control Arm Bearings -- When tuning a suspension, the movement of the entire chassis and suspension components must be taken into account. Installing solid spherical suspension mounts completely eliminates unwanted flex, allowing far more precise suspension tuning and faster . . .
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E36/E46 Trailing Arm Bearings -- Also called toe bushings, these are a common failure item on 3 Series cars. The poorly designed webbed rubber stock bushing deteriorates rapidly under hard driving and track conditions, resulting in toe changes indicated by a "floating" rear-end or, . . .
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GC Adjustable Bump Tie Rods -- Our exclusive racing tie rod ends allow the bumpsteer to be adjusted, by moving the tie rods up and down with spacers. This is similar to the pieces used by BMW factory teams, and they recommend that the rod ends be inspected every session, and replaced . . .
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Ground Control E36/E46 Adjustable Rear Lower Control Arm -- The flimsy stock lower rear control arms on E36 and E46 cars are good for street cars, but not optimum for track use. We carry Ground Control replacement rear arms. These parts are fully adjustable to achieve any needed rear camber - far beyond the . . .
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Ground Control E36/E46 Street/Track Adjustable Rear Lower Control Arm -- Chrome moly racing rear control arm, designed to suit 2006 BMWCCA rules changes. Urethane bushing, with grease fitting, turnbuckle adjustable to achieve any needed rear camber - far beyond the range of adjustability for the factory arm. Double sheer . . .
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M3 Swaybar Endlink Assemblies -- The highest quality available. The rod ends used for our endlink assemblies are made specifically for our kit. We have specified to the bearing manufacturer our requirements for high angularity and preloaded Teflon liners for a long service life. If . . .
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NEW - "Eyeball Arms" Control Arm Bushings - E46 -- Similar to the now famous E30/E36 model bushings made by Treehouse Racing, these bushing parts take the common performance control arm bushing to the next level. Made of precision CNC machined steel with a self-lubricating nylon-moly bushing, these . . .
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Rogue Engineering 3 Series Rear Shock Mounts -- Say goodbye to rear end clunks! With the introduction of the Rogue Engineering Rear Shock Mounts, you have a high quality, rebuildable, easily serviceable rear shock mount. Fits the following vehicles: All E30, including M3 All E36, . . .
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