search for posts by Alaskanex. This young man has just put X codes on and has a lot of pics.

https://www.ford-trucks.com/forums/9...t-springs.html

 

Does anyone have the Ford part numbers for the 2 different size nuts and bolts that hold the new rear leaf springs in after the B code springs are installed? If I'm putting new rear B code springs, 3.5" blocks and U-bolts I want to replace the nuts nad bolts that hold the new springs.

 

I used a set of v code front springs with the second leaf shortened from my stock EX front springs and the b code rear that were modded with the 2 shortest leafs from the stock EX springs.

This raised my front from 37 1/2 to 40 1/2 in the front from ground to wheel well and in the rear with the stock 2" tapered blocks and the modded B code springs it went up from 39" to 42". I wont be using my 3" blocks as they arent needed.

I love the new stance of a slight rake from front to back and 3" higher overall.

 

Couple of questions for you guys.
I dont know the difference betweeen the v, b, and x code springs.

How do I know what spring is which (where do I find the code)?

What combination would be recommended to give me around 3" lift and be the best for heavy tongue weight.

Should I stay away from buying used leafs or should they be OK

Thanks I know you guys will set me in the right direction

 

V and X are front springs. The difference is weight rating. I put used Vs on my Ex and it raised the front 2". I see no issue using used springs cuz if you bought a used truck you got used springs and unless you had a specific problem with the springs you wouldn't change em. The X code were used on F350s withe a snow plow package or F550s.

B codes are rear springs that also have abetter weight rating and better spring movement rate. This gives a lift as well as better ride(if I have read previous posts correctly).

I have a F250 I'm gonna get W codes(F450) for the front and have 3." blocks for the rear. Yep Used...

 

partsguyed.com what make is your quad? I curently own a Honda TRX450r (was in California previously and used it for dune/beach/racing) and i'm looking into also getting a 4x4 for more for utility/hunting and maybe even throw a plow on the front for winter.

 

partsguyed.com
what make is your quad? I curently own a honda TRX 450r (previously lived in California and used it for dune/beach/racing) and am looking to get a 4x4 type for utility/hunting and maybe even throw a plow on the front in the winter.

 

That clears it up for me. Where do I find these codes are they on the springs or in the vin #. I hate to buy some used spring and just have to take some guys word what they are

 

partsguyed, what make is your quad? I curently own a honda TRX 450r (previously lived in California and used it for dune/beach/racing) and am looking to get a 4x4 type for utility/hunting and maybe even throw a plow on the front in the winter.

 

mine leans on driver side.front.
I'll have to look into this later after the other things I need to adress 1st.
Thanks for the info

 

So i just went through 7 pages of part numbers.. and im lost more now than when i started my research. I want to put v/b springs on my Excursion. Can someone please put together a list of part numbers for everything needed for the swap.

 

Left side 3.5" tapered block: Part #F81Z-5598-FA
Right side 3.5" tapered block Part #F81Z-5598-GA

FRONT SPRING V CODE SPRING 2C3Z-5310-HA use 2 $129.58

AXLE TO SPRING U BOLT F81Z-5705-ZA use 4 $15.68

AXLE TO SPRING U BOLT NUT N805480-S426 use 8 $1.24

REAR SPRING B CODE SPRING 3C3Z-5560-CB use 2 $190.06

AXLE TO SPRING U BOLT N811667-S436 use 4 $8.94

AXLE TO SPRING U BOLT NUT*
N620485-S441 use 8 $1.99

The prices r what I found on an onlin dealer site.

 

There are a set of Tapered blocks for sale for the V/B upgrade on Ebay which look like they may go pretty cheap. These are the ones you need I think.

3.5 inch tapered blocks for Ford Superduty - set of two | eBay

 

I am putting a road armor bumper and warn winch on the front should I go to x code spring for the added weight?

 

Yep. X codes came on F-350's with the snow plow prep package for the extra weight up front from the plow, you are basically doing the same thing, hanging a bunch of new weight off the frontend.