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$499.99
Heidts Mustang II Crossmember for 1935-40 Ford Frame, Weld-On Assembly
Heidts Mustang II Crossmember for 1935-40 Ford Frame, Weld-On Assembly

Heidts Mustang II Crossmember for 1935-40 Ford Frame, Weld-On Assembly

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Heidts Mustang II Crossmember for 1935-40 Ford Frame, Weld-On Assembly
Heidts Mustang II Crossmember for 1935-40 Ford Frame, Weld-On Assembly
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Part # 4131020
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Material Type:
Steel
Finish:
Natural
MFG. Part #:
Select Model to see
Material Thickness:
.18"
Sold in Quantity:
Select Model to see
Notes:
Includes crossmember, frame boxing plates, and shock cups.

Info

Heidts Mustang II crossmembers for 1935-1940 Ford passenger car and 1935-1941 1/2-ton pickup truck offer you the choice of Deluxe (welds ground) or Economy (unground welds).  Heidts Mustang IFS kits for Fords are natural conversions for the Ford frames.  They retain all the factory dimensions and locations, so you get all the benefit of Ford engineering in your front end.  Theres absolutely no reason to widen or otherwise modify the Ford design or use long tie rod ends!  Included in these kits are all the special, hard-to-make brackets and mounts you will need to complete the installation, plus Heidts own illustrated installation booklet.

  • 1935-40 Ford passenger car and 1935-41 Ford 1/2-ton pickup truck frames
  • Heidts crossmembers offer you the choice of Deluxe (welds ground) or Economy (unground welds)
  • Constructed of 7-gauge steel
  • Mustang II cross members using stock spindles will drop the stock ride height 3-4”
  • Built-in Anti-Dive is all fitted to your frame…No Grinding Required!  Nothing to measure or trim…It’s All Done!
  • One-Piece Shock Cups are T.I.G. welded in place and have anti-dive built in. First class, for your car.
  • Vertical Inner Uprights.  This is the strongest design available, with twice the weld area.  This will keep your frame from twisting!
  • Main crossmember made from only 2 formed pieces for maximum strength and accurate fit.
  • Crossmember and Spring Towers precut and pre-welded to fit your frame…Nothing to Measure!
  • Lower control arm pivot tubes and gussets are included (Deluxe style Only)
  • Frame Front Boxing Plates are available for added strength/support (91054443)
  • Upper fender adapter brackets and/or radiator tabs included
  • Frame Boxing Plates Included
  • Works with manual rack and pinion ONLY
  • Deluxe version works with tubular offset or no-strut control arms ONLY
  • Recommended for use with 5/8" Narrow A-Arms

For a LARGER selection at a LOWER price, see Speedways collection of mustang II crossmembers.

Choose from the crossmembers below and add to an IFS kit to get a "hub to hub" front suspension.  

Mustang II Crossmember Application Chart (Link)

413-1020 Crossmember Installation Instructions (PDF)

Note: Upper fender adapter brackets and radiator tabs included.   Additional items may be needed to complete installation
You may want to include our Mustang II ride height adjusters (91034444) for installation with these crossmembers to fine tune your final ride height up to 2".  Frame boxing plates (91054443) are also available for these crossmembers for added strength and support. 

Note: Lower control arm pivot tubes and gussets are NOT included on Economy version but are welded in place on Deluxe version.  Deluxe style works with tubular offset or no-strut control arms ONLY.  Both versions/styles are recommended for use with 5/8" narrowed control arms.

Note:  This crossmember application is designed to only be used with a manual steering rack/pinion.  A power steering rack will interfere with the radiator and/or radiator support brackets.  

Item Details

1935-40 Ford, 1935-41 Ford 1/2 Ton
Complete installation may require you to purchase corresponding a-arms, shocks, springs, brake kit, spindles, and steering rack and pinion

Notes

Overall Benefit:  In a word, "handling". While installing a Mustang II can look like a lot of work, in reality, the improved handling and ride quality are worth the effort. Combine that with improved stopping ability due to numerous brake options and it becomes more a question of “Why wouldn’t you?”.  The independent suspension will give you a much better ride because there is double the suspension travel. A stock axle will give you maybe 2-1/2” of total travel vs. a Mustang II which will give you about 4-1/2”- 5” of travel. There are multiple spring rates available to accommodate varied applications and the rack and pinion steering is much more responsive than a standard steering box. 

Drop:  This varies and is dependent on application and options. Most kits drop the vehicle by 3-4”.  Drop spindles and running lower profile tires than stock also adds to the amount of drop that can be achieved.

Track Width:  You may want to mount custom wheels to your Mustang II conversion and determining proper track width for your application is essential for figuring correct backspacing and overall ride stance.  Standard wheel base is 56-1/2” with a 60” version available for trucks. The various options for brake kits will vary this somewhat and some kits can add roughly 2” to the overall track width. Narrowed arms are available to move the wheel in by 5/8” on each side.  See the link below for various track widths with different options.

 Mustang II Track Width Options (PDF)

Economy or Deluxe?:  Deluxe style crossmembers come with all welds ground for a smooth finish while Economy style crossmembers feature unground welds.  Lower control arm pivot tubes and gussets are not included on Economy version but are welded in place on Deluxe version. Deluxe style works with tubular offset or no-strut control arms ONLY.

Assembly Notes: This crossmember application is designed to only be used with a manual steering rack/pinion.  A power steering rack will interfere with the radiator and/or radiator support brackets.  

The holes for the lower control arms are 1/2″ (stock). If you will use tubular lower A-Arms instead of the stock lower arms, the lower pivot holes will have to be drilled out to 5/8″ (Economy style only).  Lower control arm pivot tubes and gussets are not included on Economy version but are welded in place on Deluxe version. 

These crossmembers are recommended for use with 5/8" narrowed control arms but will work with stock control arms. Economy style ONLY will work with stock control arms. If used with stock arms, these will require strut rods and strut mounts for installation. Speedway crossmembers DO NOT include strut rod mounting brackets. We recommend either our offset or no-strut control arms or the tubular strut rod (91034322). 

Note: Applications where the vehicle has fenders that mount directly on top of the frame, the fenders will require extensive modification to allow clearance for the upper cross member section.

Some parts are not legal for use in California or other states with similar laws/regulations

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