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Mustang II Crossmember, for coil springs

Mustang II Crossmember, for coil springs

Mustang II crossmember kit, trim-to-fit. Ships for $22-$28. Available in three track widths.

$223.70 — $285.00

High quality and low cost is achieved by using this Mustang II crossmember and upper tower kit. Set up the front end at the ride height you want! Detailed installation instructions are also online by clicking the link below. Either manual or power steering can be used- the passenger side mount has a slot to take the later model power rack. As with all Mustang II aftermarket crossmembers, spacers must be used with the later (Fox-body) power rack. These spacers are available from Welder Series as #24400. Use stock control arms or aftermarket upper and lowers with this kit.

Most vehicles will use the standard 56” track width. Ford F1 pickups should use the 58” kit. Ford F100 (’53-’56) and 2nd series ’54-’59 Chev pickups should use the 60” kit. If you specify a welded kit, the corner-to-corner welds are neat but not ground. The stamped shock mount is TIG welded in place.

What appears as lines in the pictures are actually laser-cut slits in the plate. These slits make it easy to form the piece by hand, or, in some cases, by using an adjustable wrench to get a better grip on a small tab. Rack mounts are incorporated into the crossmember design and rotate the rack back 20° to get the input shaft lower. Stock, manual or power racks or later model Mustang II or T-Bird power racks can be used. The later power rack will require the Power Rack Spacer and longer bolts, as described in the power rack mount spacer section. The rack is positioned so the bellows will clear most aftermarket full A-Arms (such as Heidt’s, Total Cost Involved, Fatman, etc).

Stylish, cone-shaped stamped upper shock mounts also function as the coil spring locator. The upper towers have anti-dive built in. The holes for the lower control arms are 1/2″ (stock). If you will use lower ‘A’-arms instead of the stock lower arms, the lower pivot holes will have to be drilled out to 5/8″. Installation instructions show how to set up the front end at the ride height you want. Rack extenders or Fairmont tie rod ends must be used on 58″ and 60″ kits. Crossmember & upper towers are made from 3/16″ mild steel. The track width is measured at the rotor wheel mounting surface. The width will vary, depending on the brake kit used. Please note: lower control arm pivot tubes and gussets are not included.

Track width is the rotor wheel mounting surface to surface dimension. Welder Series makes 3 widths: stock (56″), and 2″ and 4″ wider (58″ & 60″). These are nominal dimensions. With stock, 4-bolt MII rotors the actual track width would be 1/2″ wider than our listed spec, but the final track width is dependent on the control arms, wheels, and brake system used. An easy way to estimate the stock track width is to measure tire tread center to center.
The outside frame width is less critical than track width, but is a consideration. Our 56″ kit likes a frame o.d. of 26″ – 30″.  The 58″ kit likes 28 – 32″ and the 60″ kit likes 30 – 34″. If the frame doesn’t correspond to these dimensions, there are work-arounds that we can suggest.

For assembly and installation instructions, click here.

Click here to see our constantly updating Mustang II application chart.

Click here to purchase a DVD of the Trucks!TV Mustang II install on Powerblock.

Check out an assembly/install article from Rod & Custom Magazine.

Shipping charge is $22 – $28 (10% of the order total; minimum $15, maximum $60). Ships via UPS to the lower 48 States and 10 Provinces. No duty or brokerage charges. No surprises. Tracking information will be emailed.

Buying a complete hub-to-hub “package” can often be more convenient than sourcing all of the parts separately. Many of our dealers offer kits which include brakes, spindles, rack, control arms, etc. Please visit our Dealers page to find the dealer nearest you.

Applications: 56″ Track Width:
1933-48 Ford Cars
1935-41 Ford Pickups
1935-54 Chev Cars
1954-62 Corvette
1937-55 Chev Pickups (early series)
1933-38 Dodge Cars
1933-38 Plymouth
1934-47 Studebaker
Applications: 58″ Track Width:
1948-52 Ford Pickups
Applications: 60″ Track Width:
1953-79 Ford F100 Pickups
1955-59 (second series) Chev Pickups

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19 comments to Mustang II Crossmember, for coil springs

  • Looking for front susp. system for 34 For Pickup. Coil overs /rack and pinion steering. complete but economy (no chrome) Std GM style disc brakes are fine. This will be for a very nice driver, not a show truck! Drive train will be Ford V6, OD Auto, 8.8 rear with discs. What do you have

  • Michael

    Question, I have a 48 Willy’s Wagon, Track Width is 57, I was looking at the Mustang II suspension, I know I could make it work, but would the 56 or 58 be a better one to start with?

    • DW

      Michael, this might depend on the frame width above the axle. The 56″ kit is “happy” in frame rails wider than 26″ and narrower than 30″. The 58″ kit likes rails from 28″ – 32″.

      I hope this helps. Thanks for asking.

  • Roshan

    I was considering buying this for my Ford F3 (1952). My only concern is that I’m planning on using a 6.9 idi diesel engine. The engine weighs around 1400 lbs fully dressed. Will this suspension hold? Can it deal with the weight? Any suggestions are appreciated.

    Thanks

    • Roshan, I feel the crossmember is strong enough, but I have concerns about all of the other Mustang II components. If necessary, it would be easy to beef up the crossmember, but not so easy to beef up the spindles. I would be looking at something from a vehicle more in the same weight class as your diesel.

  • Gary dewig

    I am going to use the 58 inch crossmember frame is 31 inch out side edge would I need to notch out for coil springs

    • Gary, the 58″ kits shouldn’t need the 31″ wide frame rails to be notched. Actually, 32″ wide (o.d.) rails should be ok with the 58″ kit. An exception would be if narrow control arms are used.

  • ryan

    I have a 64 comet wagon and am looking at doing a mustang ii in it the frame rails are 26″inside and 30 1/2 outside witch kit would you recommend I would like to keep the car as low as possible

  • EW

    I’m looking to put this under a ’68 Camaro (454 BBC). Stock track is 60″, and I’ll be looking to narrow it to 58″. I understand the extra width requires either wider distance between control-arm mounting points or longer A-arms. But be advised, you CANNOT use extra-long tie rods to accomodate the length, because that can induce serious bump-steer. The center-to-center distance of the rack must be on the plane of the LCA and UCA mounts. Rack-extenders may work, but it’s better to get a rack made to lenth (~$500 for a manual), so that geometry is not compromised.

    MY question: for the spring MII kit, what is the assumed compressed height of the springs, so that the spindle centerline sits at it’s true location?

    • DW

      Thanks for your note. The lower control arm should be horizontal at ride height, which should put your spindle centerline 3-1/2″ above the lower control arm pivot point centerline. The “assumed compressed height” of the spring is something we’ve never specified.

      DW Horton

  • Cody

    ive got kinda of a custom project happening (pics will be included after the x-member is installed)

    just curious. does the center of the x-member also denote the centerline of axle? ive got a custom 2×4 frame and to keep the tires centered in the fender i need to find out how far forward the x-member needs to be.

    Thanks!

    • DW

      Hi Cody, I’m looking forward to seeing the pics!
      Spindle centerline is crossmember centerline. We recommend mocking up the car at ride height and then moving the wheel/tire into the position you’re happy with at 30′ away, then establish spindle centerline from that position.

      Thanks
      DW

  • chad

    any suggestions for a 57 chevy belair? track width is 60”, looking to lower the car and still have nice turning radious. Maybe a 58” kit?

    • Chad, unless you are building a new frame for your ’57, I’d suggest updating the stock parts with aftermarket stuff. There are bolt-on parts that will lower the front and give better braking. The MII is an involved install in that frame.

      But thanks for looking at Welder Series parts.
      Paul Horton

  • zail lawson

    what would be a kit for a 1973 fiat spider considering a ford v6 or v8

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