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1928-31 Ford Model A Front Four-Bar Kit, Stainless Steel

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1928-31 Ford Model A Front Four-Bar Kit, Stainless Steel
1928-31 Ford Model A Front Four-Bar Kit, Stainless Steel
1928-31 Ford Model A Front Four-Bar Kit, Stainless Steel
1928-31 Ford Model A Front Four-Bar Kit, Stainless Steel
1928-31 Ford Model A Front Four-Bar Kit, Stainless Steel

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Please NOTE the following about this product:

  • This item is sold as a kit.

Details

Reviews

Q & A

What's in the Box

Four bar suspensions allow your front axle to travel freely, thus providing better ride and handling than traditional radius rods. Plus, their polished stainless construction will keep your front end glowing forever! Speedway kits feature bat wings and tapped bar ends, complete with nylon rod ends. For axles with 2" or 2-1/4" boss - use spacers 916-35003 if necessary.

For 1928-1931 Ford Model A. 

916-39001 Instructions (PDF)

Notes

We strongly reccommend the use of a front panhard bar with four bar front suspensions. Four bar suspensions increase suspension travel over original wishbones or radius rods, which increases the need for side-to-side axle control. If using a Vega cross steering system, the panhard bar becomes mandatory as any side-to-side movement will cause bump steer.

Customer Reviews

This product has no reviews.

Product Q&A

2 questions : 2 answers

1 answers

What is the length of the 4-bar - perch to frame mount?

1962BuickSpecial
Denton, TX, USA
January 19, 2014

What is the length of the 4-bar - perch to frame mount?

Answers

January 21, 2014
EricM
The four bar tubes are 21" long from center to center when assembled. That will then work out to 24 1/2" from the center of the perch hole on your axle to the center of the bolt hole on the frame mount.
1 answers

Will this kit work on frames that are set slightly narrower or wider than stock (at the rear mounting point) without causing misalignment or binding?

Glenville, NY
December 20, 2011

Will this kit work on frames that are set slightly narrower or wider than stock (at the rear mounting point) without causing misalignment or binding?

Answers

December 21, 2011
Zach
Speedway part number 91639001. These Model A 4 bar kits have some room for adjustment from stock width frames, but it just depends on how much different your frame is. We also offer 7 and 11 degree 4 bar rod ends if you need them to avoid binding with suspension travel.
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  • 2-1/2" from top of threads to mid shoulder
  • 2-7/8" from top of threads to top of shoulder
  • Thread length is 1-7/8"
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Leaf Spring Measuring Guide (Link)

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Select your length based on the center-to-center of the tie rod ends, which will also be the eye-to-eye distance between the steering arms (the acutal tube will be 3" shorter than length selected). At selected length, the link will be adjustable from 1/2" shorter to 3/4" longer.

Measuring Tie Rod or Drag Links (GIF)

Tapered Steering Arm Illustration (GIF) 

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Speedway Vega Style Steering Box Combo, All New Assembly
(Part #9163220)
                        

Speedway Motors makes it easy to bolt together a cross steering system with our Vega Steering Box Combo kit. Kit includes a Speedway Vega box, steel pitman arm, and a Ford Model T - 1934 frame mount. This steering box accepts a 5/8" 36-spline U-joint or coupler.

Kit includes:

  • Speedway Vega Steering Box
    • 20:1 steering ratio
    • 5 turns lock-to-lock
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    • Plain finish 
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    • Fits Model T thru 1934 Ford frames
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Item Details

Includes: Speedway vega box, plain pitman arm and box mount
Polished Panhard Bar Kit, 1928-1934 Ford 4-Bar Front End Suspension
(Part #91049801-POL)
                        

With cross steering a Panhard bar is a must-have. It stops side-to-side sway of chassis relative to the axle. This bar is for spring-over-axle, 4-bar front ends on 1928-1934 Fords.  Tube O.D. is 5/8".

  • 11/16" outside diameter
  • 1/2" inside diameter
  • 1/2" bolt
  • 1/2" heim

Chassis bracket welds-on, then bar bolts in place to the side of the 4-bar batwing. Panhard bar bracket mounts to a batwing that features a 4-1/2" on center four-bar spacing.

Item Details

'Fits 4-bar front suspensions on ''28-''34 Ford.'
2 Inch Axle Boss to 2 1/4 Inch Bracket Spacers
(Part #91635003)
                        

These axle boss spacers adapt a 2" boss axle to a 2-1/4" bracket (4-bar batwing). Set of 4 spacers.

Item Details

Adapts a 2" boss axle to our 2-1/4" bat wings