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#580152
$465.99
/pair
In Stock
$495.95
Save $29.96
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Front Position, Reverse Eye Leaf Spring Eye Type
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Return PolicyThese Dual-Flex front springs by Posies lower your classic Ford 1/2-ton pickup 3" more than a set of new replacement springs. The unique 2-leaf tapered design offers a better ride and provides a 100% increase in safety over mono-leaf springs.
Includes new U-bolts for easy installation. Shackle and spring bolts sold separately.
Note: If used in conjunction with a dropped front axle, you may encounter bump steer and tie rod issues.
Specs
Guides & Documents
| KEY SPECS | |
|---|---|
| MFG. Part # | D152F |
| Brand | Posies Super Slide Springs |
| Position | Front |
| GENERAL | |
| Leaf Spring Eye Type | Reverse Eye |
| Length Eye to Eye | 35.63" |
| Leaf Spring Width | 1-3/4 Inch |
| Suspension Height Adjustment | 3 Inch Lowered |
| True Arch | 3.38" |
| Number of Leafs | 2 |
| Material Type | Steel |
| Finish | Natural |
| Sold in Quantity | Pair |
4.8
20 Reviews
Customers overwhelmingly appreciate the product for its performance-enhancing qualities. They report a smoother drive experience, improved handling, and suitable lowering capability. Buyers acknowledge the springs as high-quality and a substantial upgrade over stock springs. The easy, hassle-free installation process, particularly noted when done by two people, is another significant advantage. However, customers mention problems with the ubolts' length and insufficient thread issues requiring additional washers. Despite these small inconveniences, our product's reliable, performance-boosting qualities lead many customers to confirm they would buy again and recommend the product.
4.8
20 reviews
5
17
4
2
3
1
2
0
1
0
Most Liked Positive Review
5.0
As advertised
Sometime early in the life of my truck it got the old school lowering by mounting the stock springs under the axle. The ride was harsh and I felt it sat too low. I was going to fab airbag mounts till I ran across these. They raised the front about an 1 1/2" with a greatly improved ride. I bought the shacle kit and have extra bushings as these spring come with new bushings.
Most Liked Negative Review
3.0
Great springs, bolts ... meh
Springs are a great improvement over the stock worn out springs. Softer ride over bumps (e.g., railroad tracks, differing payment heights). Not too hard to install, but it's a lot easier with two when installing the rear eyelet in rear hanger; one to push/pull on spring, and one to insert the pin/shaft. The ride height did drop, but not too much in my case (3/4") since one of the previous owners had taken two leaves out of the eight leaf springs. Major issue are the ubolts. First, they didn't have the shorties that go with the springs so they sent the long ones (much longer). Second, the threads don't go high enough on some of the bolts which require washers be used between the nut and mount on the front axle. Didn't realize it until I had threaded a few of the nuts to the top of the treads and they weren't contacting the axle. Had to remove the self tightening nuts, install some washers I had on hand, and reinstall (on those long bolts). Guess I should have checked the threads ahead of time. Will go back in a few days and replace those washers with grade 8 washers, plus add them to the other bolts that had ok threads.
Filter by Ratings
I would buy this product again.
5.0
a year ago
P Waug
Cloverdale, CA
Verified
I put the springs in the front of my '50 F-1. They fit perfect. No problems.
Would Recommend
yes
5.0
4 years ago
tracker
lavernia
Verified
much better ride!
Would Recommend
I would buy this again
5.0
4 years ago
RP
North Carolina
Verified
Good product
Would Recommend
Great springs, bolts ... meh
3.0
4 years ago
Dhturk
Middle Tennessee
Verified
Springs are a great improvement over the stock worn out springs. Softer ride over bumps (e.g., railroad tracks, differing payment heights). Not too hard to install, but it's a lot easier with two when installing the rear eyelet in rear hanger; one to push/pull on spring, and one to insert the pin/shaft. The ride height did drop, but not too much in my case (3/4") since one of the previous owners had taken two leaves out of the eight leaf springs. Major issue are the ubolts. First, they didn't have the shorties that go with the springs so they sent the long ones (much longer). Second, the threads don't go high enough on some of the bolts which require washers be used between the nut and mount on the front axle. Didn't realize it until I had threaded a few of the nuts to the top of the treads and they weren't contacting the axle. Had to remove the self tightening nuts, install some washers I had on hand, and reinstall (on those long bolts). Guess I should have checked the threads ahead of time. Will go back in a few days and replace those washers with grade 8 washers, plus add them to the other bolts that had ok threads.
Would Recommend
yep
5.0
5 years ago
rusty wrecks
Monterey, Ca
Verified
The springs came shrink wrapped together with the box for the u-bolts. The box was damaged and one of the nyloc nuts was missing.
Would Recommend
I will definitely order from Speedway again and again
5.0
5 years ago
JP
Hatfield Pa
Verified
Awesome parts! Awesome service and prompt delivery 👍🏻
Would Recommend
I would buy again
4.0
6 years ago
Brad
Sycamore Illinois
Verified
See cons
Would Recommend
49 Mercury M1 Pickup
5.0
7 years ago
Iron Outlaw Garage
Manitoba, Canada
Verified
No issues with fit. Will definitely use these again.
Would Recommend
Worked Great Smoother Ride
4.0
8 years ago
Jim
Sacramento
Verified
not to hard to install but easier if 2 people do it .
Would Recommend
Excellent springs
5.0
8 years ago
Wild Bill
Butler, Pa
Verified
No issues bolt on
Would Recommend
Showing 10 of 20 reviews
11 Questions • 13 Answers
If I only am running these springs +n my 1948 F1 with the rest of the front end being stock what shock should I be using in conjunction?
by Sigs
• 8 years ago
3 answers
View Answers
The previous owner of my 50 Ford PU w/390 lowered the front end by removing a couple of leafs in the front. Looks nice but, the pan hits the front axle when driving on a rough road. So bascially, I have no front suspension. If I replaced the front springs with this product #580152 - will the axle still be an issue or do I need to install a drop front axle?
by Phil
• 9 years ago
1 answer
View Answer
I have mono-leaf, will these give me a smoother ride?
by hotwheel dude
• 9 years ago
1 answer
View Answer
How much flex in these springs and can they be flipped?
by Siebs
• 11 years ago
1 answer
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can I use these springs with your 3 inch drop axle?
by Roadmen Tom
• 11 years ago
1 answer
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After installed can you tell the the dimension between the spring mounting plate and the axle bumper?
by john51
• 11 years ago
1 answer
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Top bumper plate. Are you to retain the stock u-bolt upper plate with these springs?
by Tplums
• 12 years ago
1 answer
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Will these springs hold a 460 ford engine? Thinking about putting a 460 in our 1949 merc M47
by Gus00
• 12 years ago
1 answer
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Will these springs fit a '46 1/2 ton? My stock springs measure 35 inches (eyelet center to center) unloaded. Will these springs require any modifications in order to fit my truck?
by 1OGM
• 13 years ago
1 answer
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Is the axle wedge supposed to be installed to tilt axle back or forward? Stock tilts back, Posie instructions show tilt forward.
by
• 15 years ago
2 answers
View Answers
10 of 11 questions shown
1953-1954 Ford F-100
1948-1952 Ford F1
