Buy from the Leader in 1979-2025 Mustang Performance Suspensions
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Home
::
Suspension
::
Mustang Steering
::
MM Bumpsteer Kits
MM Bumpsteer Kits
Bumpsteer kits are used to
adjust
and
correct
the bumpsteer on your Mustang.
What is "bumpsteer"?
Changes
in the steering angle of the tires caused solely by vertical motion of the suspension.
Excessive
bumpsteer makes the car feel
unstable
and
unpredictable
because it will abruptly
change direction
without any input from the driver.
Bumpsteer
can be caused by anything that causes the suspension to move vertically;
bumps
in the road, body
roll
, brake
dive
, etc.
Which style: Bolt-through spindle or Tapered stud?
Bolt-through
style is for
MM K-members
that require a
larger range
of adjustment.
Tapered-stud
style is for
stock
and other k-members that require only a
moderate range
of adjustment.
For
details
,
technical
information, or to
purchase
, click on the appropriate bumpsteer kit for your Mustang below.
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Product(s)
Part #
Bumpsteer kit, 2005-2014 Mustang, tapered-stud style
Larger Image Bumpsteer kit with adjustable outer tie-rod ends for correcting bumpsteer on 2005-2014 Mustang. Tapered-stud style. Fits both 2005-2010 Mustang steering rack and 2011-2014 Mustang electric power steering rack. ...
Mm5TR-2
$199.97
more info
Bumpsteer kit, 1994-04 Mustang, bolt-through style
Larger Image Adjustable outer tie-rod ends for correcting bumpsteer, Bolt-through spindle style, 1994-04 Mustang Fits 1994-04 Mustang with 1994-04 front control arms All stock power steering racks, 1994-04 All Mustang...
MMTR-3
$189.97
more info
Bumpsteer kit, 1994-04 Mustang, tapered-stud style
Larger Image Adjustable outer tie-rod ends for correcting bumpsteer, Tapered-stud style, 1994-04 Mustang Fits 1994-04 Mustang with stock k-member and 1994-04 front control arms All stock power steering racks, 1994-04 All...
MMTR-4
$199.97
more info
Bumpsteer kit, 1979-93 Mustang, bolt-through style
Larger Image Adjustable outer tie-rod ends for correcting bumpsteer, Bolt-through spindle style, 1979-93 Mustang Fits 1979-93 Mustang with 1979-93 front control arms All stock power steering racks, 1979-93 All manual...
MMTR-1
$189.97
more info
Bumpsteer kit, 1979-93 Mustang, tapered-stud style
Larger Image Adjustable outer tie-rod ends for correcting bumpsteer, Tapered-stud style, 1979-93 Mustang Fits 1979-93 Mustang with stock k-member and 1979-93 front control arms All stock power steering racks, 1979-93 All...
MMTR-2
$199.97
more info
Bumpsteer kit, 1979-93 Mustang with SN95 control arms, bolt-through style
Larger Image Adjustable outer tie-rod ends for correcting bumpsteer, Bolt-through spindle style, 1979-93 Mustang with SN95 front control arms Fits 1979-93 Mustang with 1994-04 front control arms All stock power steering...
MMTR-6
$189.97
more info
Bumpsteer kit, 1979-93 Mustang with SN95 control arms, tapered-stud style
Larger Image Adjustable outer tie-rod ends for correcting bumpsteer, Tapered-stud style, 1979-93 Mustang with SN95 front control arms Fits 1979-93 Mustang with stock k-member and 1994-04 front control arms All stock power...
MMTR-7
$199.97
more info
Bumpsteer Gauge
Bumpsteer gauge measures bumpsteer. Required when adjusting bumpsteer.
MMT-4
$199.97
more info
Conversion kit from tapered stud to bolt-through spindle
Larger Image Converts tapered-stud style bumpsteer kit to bolt-through spindle style Fits 1979-04 Mustang with MMTR-2, MMTR-4, and MMTR-7 bumpsteer kits Other brands of tapered-stud style bumpsteer kits for 1979-04...
MMTR-5
$89.97
more info
Small Spacer Kit for MM Bumpsteer Kits
Replacement spacers for MM bumpsteer kits MMTR-1 through MMTR-7. Includes the small spacers (those under 0.5” in height).
MMTRspacer
$44.97
more info