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Founder, 1929-2014
Speedy Bill
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Adjustable Tie-Rod Adapter Stud to Heim

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5/8" end is 3" long with 2.75" threaded. Steering arm end is 7/16".
Adjustable Tie-Rod Adapter Stud to Heim
Adjustable Tie-Rod Adapter Stud to Heim
Adjustable Tie-Rod Adapter Stud to Heim

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Q & A

What's in the Box

This little adjustable tie rod adapter stud allows you to use 5/8" heim rod ends instead of OEM tie rods. It also allows you to adjust steering geometry to minimize or eliminate bump steer.

Made of 4140 chromoly steel and zinc coated. Includes jam nuts. Choose from GM (10 degree taper) or Pinto (7 degree taper). IMCA approved.

You may also be interested in:

IMCA Approved Pinto-Mustang II Spindles
(Part #91034313)
                        Brand NEW, heat-treated forged Mustang II steel spindle that retains the exact OEM geometry of the 74-78 Mustang II or 74-80 Pinto spindle. This is the ONLY aftermarket spindle allowed by IMCA. Work great with our 10" HD Hybrid Rotors as well as with stock rotors, bearings, calipers, ect. Stock 7 5/8" height.  Easy to install.
Speedway Tapered Ball Joint Reamer, 7 Degree
(Part #91089411)

Tapered reamers for proper fitting of ball joints to spindles, tie rod ends to spindles, etc. These have 1/2" shank. The 1-1/2" per foot reamer, also known as a 7° tapered reamer, works with Speedway ball joints 917-20031 K6024, 917-20032 K6136, and 910-34323 K772.

Measures a little less than 1/2" at the small end and 1" at the big end.

Speedway Tapered Ball Joint Reamer, 10 Degree
(Part #91089412)

Tapered reamers for proper fitting of ball joints to spindles, tie rod ends to spindles, etc. These have 1/2" shank. The 2" per foot reamer, also known as a 10° tapered reamer, works with Speedway ball joints 917-20036 K727, 917-20038 K6141, 917-20038-1 K6117, and 917-20039 K6145.

Measures a little more than 1/2" at the small end and 1" at the big end.

IMCA Approved Rod End Style Tie Rod Assembly
(Part #91032800)
                        In the IMCA modified class it's approved to use 5/8" rod ends instead of original outer tie rod ends. When used with the adapter stud listed, this set-up allows you to easily adjust the steering geometry. Includes inner tie rod, steel adjusting sleeve, 5/8" rod end and jam nuts. 

Rods available in 17-1/2", 18-1/2", 19-1/2", 20-1/2" and 21-1/2" center to center.

5/8" steel tube replacements available in 9", 10", 11", 12" and 13".

Bump Steer Spacer for Pinto Spindle
(Part #91636057)

If you run Pinto spindles on the front of your modified you cannot overlook the importance of correcting the bump steer geometry. Our steel spacers measure 2” tall with a 5/8” hole and provide the optimum fix for most modifieds.

For those of you who may see a little contact on the track, this steel spacer is a stronger option to the adjustable tie rod adapter.

AFCO 10270 Inner Tie Rod Adapter Bolt
(Part #10610270)
  • Adapter allows inner tie rod end to be replaced with heim rod end on rack & pinion
  • Stud is 5/8" diameter, 1-5/8" long with .780" shoulder
  • 1-1/2" taper per foot (.560" on small end of taper, .630" on large end)
  • 7 degree taper
  • Overall length is 3.55"
  • Complete with lock nuts and .320" thick bump steer spacer
  • Not for stock-style spindle use
Speedway Motors 3-Piece 1979-Up IMCA GM Metric Midsize Spindle
(Part #91034501)
                        Speedway Motors is proud to introduce our exclusive  3-piece 1979-Up GM Metric midsize spindle. Our advanced engineering  techniques allowed for the recreation of an OEM spec spindle in a newly  forged, heat-treated steel design that is both stronger and lighter than  the original. The unique three-piece construction provides for fast,  convenient and affordable replacement of individual components in the  event of a crash. These spindles IMCA approved for  use in competition.

Kit includes spindle, bolt-on steering arm, caliper bracket and necessary hardware. Assembly is required. Choose (L) Left or (R) Right side.

Works great with our 1979-Up GM Metric Front Brake Rotors, bearings, calipers, etc.
  • Forged, heat-treated steel
  • Precision OEM geometry
  • Direct replacement for factory spindle
  • Approved for use in IMCA sanctioned events
  • Three-piece design for quick, easy replacement
  • Replacement parts available separately
Aluminum Cone Spacers for Rod Ends, 5/8 Inch
(Part #5464109)
                        These aluminum tapered spacers give you more travel when using rod ends on your  steering linkage or suspension. Includes 8 spacers per package.