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  1. Maximum Motorsports 86-04 Mustang Steering Rack Bushing Upgrade Kit for Stock K Member - MMST-7.1
    $29.95

    Product features Includes components to add spherical washer feature of the MMST-7 design to previously installed MMST-3 bushings. Center-drilled (not offset) design maintains best bumpsteer geometry for Mustangs with the stock k-member. Unique, precision-machined spherical design prevents the rack from twisting when solidly mounted. Fits both power and manual steering racks. Plated steel construction. Fits stock k-members with 12MM rack mounting bolts only. Does not fit MM K-members or other aftermarket k-members.Learn More
  2. Maximum Motorsports Urethane Steering Rack Bushing Set - 6-703-BL
    $17.97

    Maximum Motorsports Urethane Steering Rack Bushing Set

    Replaces deteriorated stock rubber bushings. Provides about half the benefit of the aluminum bushings with no increase in noise. Will not degrade when exposed to oil and road grime like the stock rubber bushings. Maintains factory steering geometry.Learn More
  3. Maximum Motorsports Aluminum Rack Bushings (Stock K-Member) - MMST-7
    $49.95

    Maximum Motorsports MM Aluminum Rack Bushings (Stock K-Member)

    Maximum Motorsports has reinvented the steering rack bushing!
    Exchanging the stock rubber steering rack bushings for solid aluminum bushings has long been known to be a fundamental step towards improved steering response. Rubber bushings, and to a lesser extent urethane bushings, allow the rack to move sideways, relative to the K-member, before any steering input begins to move the tires. This results in slower steering response than is desired for a performance car. Solidly mounting the rack with aluminum bushings eliminates rack movement relative to the K-member, and improves steering response. Along with improved turn-in, the car will maintain a more precise line through a corner, and require fewer steering corrections.

    In some instances, along with the improvement in steering response, comes an unwanted side effect?steering chatter at low speeds. Chatter can be caused if the steel steering rack binds up inside of the cast aluminum steering rack housing. This binding (binding means a resistance to moving freely) can happen if the rack housing is twisted when the rack was solidly attached to the K-member through solid aluminum bushings. Twisting can occur if there are irregularities in the steering rack housing, or in the two rack mounting surfaces of the K-member.

    Stock K-members are made from stamped steel, and always have some irregularities in the two rack mounting surfaces. The two rack mounting surfaces are never flat, nor even in the same plane. This may be acceptable when soft rack bushings are used, but with rigid aluminum bushings it can cause the aluminum rack housing to twist, resulting in steering chatter. For those experiencing steering chatter, the only solution until now was to swap the aluminum rack bushings for softer rubber or urethane bushings. Unfortunately, this also meant a step backwards in performance. While urethane rack bushings allow only one half of the movement that rubber rack bushings allow, they are obviously not as rigid as aluminum.

    MM has designed a new steering rack bushing that retains the benefits of a solidly mounted steering rack, but also prevents the twisting that can cause chatter. The MM Engineering Teams new design uses a spherical washer to accommodate the irregularities in the K-member surface, while still providing a solid mounting for the steering rack.

    MM K-members have large flat areas where the steering rack mounts, so there are no surface irregularities. However, there may be irregularities in the steering rack housing itself, and the result can be binding of the rack motion, and steering chatter. Because MM K-members have a crush sleeve welded in place, we developed a completely different steering rack bushing than what we designed for the stock k-member.

    This all-new bushing design allowed us to provide features that are not possible for a bushing that would be used on a stock k-member. These bushings for the MM K-member let the steering rack be installed in any one of five possible vertical locations. The center position places the steering rack in the stock location. Two different offset positions are possible: 1/4" offset and 3/8" offset. The offset positions can be used to either raise the steering rack, reducing the height of bumpsteer spacers used at the steering arms; or to lower the rack, providing clearance for oversized oil pans.Learn More
  4. Maximum Motorsports MM Aluminum Rack Bushings (MM K-Member) - MMST-6
    $59.95

    Maximum Motorsports MM Aluminum Rack Bushings (MM K-Member)

    Maximum Motorsports has reinvented the steering rack bushing!
    Exchanging the stock rubber steering rack bushings for solid aluminum bushings has long been known to be a fundamental step towards improved steering response. Rubber bushings, and to a lesser extent urethane bushings, allow the rack to move sideways, relative to the K-member, before any steering input begins to move the tires. This results in slower steering response than is desired for a performance car. Solidly mounting the rack with aluminum bushings eliminates rack movement relative to the K-member, and improves steering response. Along with improved turn-in, the car will maintain a more precise line through a corner, and require fewer steering corrections.

    In some instances, along with the improvement in steering response, comes an unwanted side effect?steering chatter at low speeds. Chatter can be caused if the steel steering rack binds up inside of the cast aluminum steering rack housing. This binding (binding means a resistance to moving freely) can happen if the rack housing is twisted when the rack was solidly attached to the K-member through solid aluminum bushings. Twisting can occur if there are irregularities in the steering rack housing, or in the two rack mounting surfaces of the K-member.

    Stock K-members are made from stamped steel, and always have some irregularities in the two rack mounting surfaces. The two rack mounting surfaces are never flat, nor even in the same plane. This may be acceptable when soft rack bushings are used, but with rigid aluminum bushings it can cause the aluminum rack housing to twist, resulting in steering chatter. For those experiencing steering chatter, the only solution until now was to swap the aluminum rack bushings for softer rubber or urethane bushings. Unfortunately, this also meant a step backwards in performance. While urethane rack bushings allow only one half of the movement that rubber rack bushings allow, they are obviously not as rigid as aluminum.

    MM has designed a new steering rack bushing that retains the benefits of a solidly mounted steering rack, but also prevents the twisting that can cause chatter. The MM Engineering Teams new design uses a spherical washer to accommodate the irregularities in the K-member surface, while still providing a solid mounting for the steering rack.

    MM K-members have large flat areas where the steering rack mounts, so there are no surface irregularities. However, there may be irregularities in the steering rack housing itself, and the result can be binding of the rack motion, and steering chatter. Because MM K-members have a crush sleeve welded in place, we developed a completely different steering rack bushing than what we designed for the stock k-member.

    This all-new bushing design allowed us to provide features that are not possible for a bushing that would be used on a stock k-member. These bushings for the MM K-member let the steering rack be installed in any one of five possible vertical locations. The center position places the steering rack in the stock location. Two different offset positions are possible: 1/4" offset and 3/8" offset. The offset positions can be used to either raise the steering rack, reducing the height of bumpsteer spacers used at the steering arms; or to lower the rack, providing clearance for oversized oil pans.Learn More
  5. Steeda Billet Aluminum Steering Rack Bushings - .25" Offset (1985-2004 Mustangs) - 555-4013
    $49.95

    Steeda Aluminum Rack Bushings (85-04 .025 offset) - 555-4013

    Steeda Aluminum Rack bushings adjust both Ackerman angle and bumpsteer geometry, for better steering response, quicker corner-entry turn-in and more stability. The aluminum bushings replace the factory rubber bushings that mount the steering rack to the front crossmember. By eliminating deflection in the rubber mount, steering response is quicker and more precise. The reversible flange design can be installed two different ways, giving the installer the choice of maintaining factory Ackerman geometry or increasing Ackerman to quicken turn-in and reduce tire scrub in sharp corners. The offset bolt hole in the bushing moves the steering rack up on the crossmember to correct bumpsteer geometry on cars with modified suspensions such as increased caster, X2 balljoints, aftermarket K-members, or other modifications.

    Two different offset heights are available to suit different applications. A. 25" offset fits all Mustangs from 1985 to 2004. A. 400" offset is also available for cars requiring larger corrections. The. 400" offset fits 1985 to 1995, and will also fit 96-04 applications but may cause interference between the steering rack and the 4.6L oil pan on some cars.

    Modified suspensions requiring large adjustments with a bumpsteer kit will still benefit from using the offset rack bushings because they will reduce the number of spacers required on the bumpsteer kit. A shorter stack of spacers reduces deflection of the bumpsteer stud, increasing steering precision. For optimum performance bumpsteer should be checked and adjusted with a bumpsteer kit (adjustable height outer tie rod) after offset rack bushings are installed.

    Product Benefits
    • High quality billet aluminum construction


    Learn More
  6. Steeda Aluminum Offset Rack and Pinion Bushings -  .04 offset (1985-1995 Mustangs) - 555-4011
    $44.95

    Steeda Aluminum Rack Bushings (85-95 .04 offset) - 555-4011

    Steeda Aluminum Rack bushings adjust both Ackerman angle and bumpsteer geometry, for better steering response, quicker corner-entry turn-in and more stability. The aluminum bushings replace the factory rubber bushings that mount the steering rack to the front crossmember. By eliminating deflection in the rubber mount, steering response is quicker and more precise. The reversible flange design can be installed two different ways, giving the installer the choice of maintaining factory Ackerman geometry or increasing Ackerman to quicken turn-in and reduce tire scrub in sharp corners. The offset bolt hole in the bushing moves the steering rack up on the crossmember to correct bumpsteer geometry on cars with modified suspensions such as increased caster, X2 balljoints, aftermarket K-members, or other modifications.

    Two different offset heights are available to suit different applications. A. 25" offset fits all Mustangs from 1985 to 2004. A. 400" offset is also available for cars requiring larger corrections. The. 400" offset fits 1985 to 1995, and will also fit 96-04 applications but may cause interference between the steering rack and the 4.6L oil pan on some cars.

    Modified suspensions requiring large adjustments with a bumpsteer kit will still benefit from using the offset rack bushings because they will reduce the number of spacers required on the bumpsteer kit. A shorter stack of spacers reduces deflection of the bumpsteer stud, increasing steering precision. For optimum performance bumpsteer should be checked and adjusted with a bumpsteer kit (adjustable height outer tie rod) after offset rack bushings are installed.

    Product Benefits
    • High quality billet aluminum construction
    • Easy installation


    Learn More

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