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#580440
$652.99
/pair
In Stock
Quantity
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Rear Position, 54" Length Eye to Eye, 8 Number of Leafs
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855.313.9176Quick and Easy Returns
Return PolicyThese multi-leaf rear springs by Posies lower your classic Chevy 3100 1/2-ton pickup 3" more than a set of stock replacement springs. Super Slide springs incorporate moly-nylon buttons that reside in die-formed pockets at the tips of the spring leave. Replace your 50 year old stock springs with these new, computer-designed leaf springs for a much smoother ride.
Factory spec spring eye bushings come with springs. Shackles, shackle bolts and U-bolts sold separately. For use with the original 1947-54 Chevy rear axle as these are not applicable to be used with a newer model rear axle assembly.
Note: For use with stock axle. This will ((not)) fit the 1955 First Series Truck application (or any application with a round radius u-bolt).
Guides & Documents
| KEY SPECS | |
|---|---|
| MFG. Part # | 440 |
| Brand | Posies Super Slide Springs |
| Position | Rear |
| GENERAL | |
| Leaf Spring Eye Type | Reverse/Standard Eye Combo |
| Length Eye to Eye | 54" |
| Leaf Spring Width | 1-3/4 Inch |
| Suspension Height Adjustment | 3 Inch Lowered |
| Number of Leafs | 8 |
| Material Type | Steel |
| Finish | Natural |
| Sold in Quantity | Pair |
4.2
10 Reviews
Customers appreciate the high-quality, heavy-duty nature of the Posies Super Slide Springs. Their install process is considered straightforward and they fit perfectly on various classic trucks, providing an ideal ride height. Some customers mentioned a need for slight modifications for an optimal fit, notably with stock rear axles. Overall, the springs are highly recommended for their awesome quality and practical usability. However, potential customers are advised to ensure compatibility with their specific vehicle setup and axle type.
4.2
10 reviews
5
7
4
0
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1
1
Most Liked Positive Review
5.0
My 1954 V-8 Chevy 3100 pickup sits & rides fine.
30 years ago when I converted from a closed drive line to an open I set up my rear-end housing mounting to allow for the offset thus not needing to change the springs. Well after several years of running the modified 235 cu in six cylinder with a Muncie 4-speed I converted to a SBC 327 and a turbo 400. When I retired a few years ago I started another idea with the pickup and built a mild 340 hp 327 with tri-power & borg warner t-5 speed. In this process I installed new Posie super slide in the front along with power disc brakes and power steering thus keeping the original axle. When measuring for the drive shaft I took a good look at the rear springs which were very tired so the posie super slides were ordered for the rear. I was going to use the same rear-end with my modified mountings, I didn't need the posie offsets. They worked well together. Thank You Speedway
Most Liked Negative Review
1.0
Not the Right Application
These springs are for trucks with a stock rear axle, the description did not mention that. I have a late model rear axle that has pads on the axle. This spring pack moves my rear axle 3" forward from where is should be. There is another part number for the rigt spring, but it is not available online or in the catalog. We are working with Posies to get the right spring. This has put us 4 weeks out on our project and we still dont have the right springs yet. The description does not say anything about the fact that this is for stock rear axles only.
Filter by Ratings
Yes
5.0
a year ago
Mr.W
Wyoming
Verified
Everything was pretty much straight forward. Make sure you got heavy duty Jack stands! And good jacks!
Would Recommend
No
3.0
3 years ago
Mike
Reseda
Verified
Had to grind approximately 1/32" off both springs front eyes
I would buy from Speedway again!!
5.0
5 years ago
smitty
oakley,ca
Verified
Installed on my 53 Chevy truck. Fit perfect.
Would Recommend
look good… very heavy duty
5.0
5 years ago
The colorful carpenter
PVB, FL
Verified
I haven't installed them yet but I am hoping to have them in this week.
Would Recommend
Awesome quality!
5.0
5 years ago
Handy Randy
Yellville Arkansas
Verified
All in all they are awesome springs!
Would Recommend
I would buy Posies Super Slide Springs again.
5.0
6 years ago
Pops
Glassboro, NJ
Verified
I had no issues installing Posies Super Slide Springs. The bare rear aligned easily before welding on the axle brackets and all the associated Posies and Speedway spring parts fit perfectly.
Would Recommend
My 1954 V-8 Chevy 3100 pickup sits & rides fine.
5.0
7 years ago
Mr "D"
Chula Vista, CA
Verified
30 years ago when I converted from a closed drive line to an open I set up my rear-end housing mounting to allow for the offset thus not needing to change the springs. Well after several years of running the modified 235 cu in six cylinder with a Muncie 4-speed I converted to a SBC 327 and a turbo 400. When I retired a few years ago I started another idea with the pickup and built a mild 340 hp 327 with tri-power & borg warner t-5 speed. In this process I installed new Posie super slide in the front along with power disc brakes and power steering thus keeping the original axle. When measuring for the drive shaft I took a good look at the rear springs which were very tired so the posie super slides were ordered for the rear. I was going to use the same rear-end with my modified mountings, I didn't need the posie offsets. They worked well together. Thank You Speedway
Would Recommend
Needed adjustment!
3.0
10 years ago
Coop
Portland, OR
Verified
Should have fit the hanger as it is stock. Fronts no problem.
Would Recommend
Fit like a glove
5.0
11 years ago
Wheat
Knoxville TN
Verified
great fit. and seems to be a good ride height.
Would Recommend
Not the Right Application
1.0
11 years ago
51 Chevy Truck
Colorado
Verified
These springs are for trucks with a stock rear axle, the description did not mention that. I have a late model rear axle that has pads on the axle. This spring pack moves my rear axle 3" forward from where is should be. There is another part number for the rigt spring, but it is not available online or in the catalog. We are working with Posies to get the right spring. This has put us 4 weeks out on our project and we still dont have the right springs yet. The description does not say anything about the fact that this is for stock rear axles only.
Would Not Recommend
Showing 10 of 10 reviews
8 Questions • 9 Answers
Can you tell me which way round these springs go. My originals had the two eyelets facing up - these have one up and down? Thanks
by Glenn
• 6 years ago
1 answer
View Answer
I bought part #440a for my 1953 Chevy truck do these band's on the springs stay on or do you remove them
by mike
• 8 years ago
1 answer
View Answer
What is the true arch on these springs?
by exec
• 8 years ago
1 answer
View Answer
will these work on 3/4 trucks
by brian
• 10 years ago
2 answers
View Answers
Will these leaf work with a s-10 Rearend in my 54' 1/2 ton I am installing a s-10 rearend in my vintage pickup and I am looking for the right springs to use on my stock chassis so that I may lower the truck. Can I use these with stock shackles or do I need to purchase s-10 springs for this?
by freddycarnut
• 12 years ago
1 answer
View Answer
spring width and lenght what is the spring width and the bolt to bolt center length of the spring. I have a 50 studebaker that i am lowering and wonder if these will fit my application?
by bkadmire
• 12 years ago
1 answer
View Answer
can I use the original shackles that are on the truck with the new rear dropped springs? Will they work with a 10 bolt rear?
by jumpman
• 12 years ago
1 answer
View Answer
do these springslower the truck by the number of leafs being less or by the eyes being reversed
by terrell
• 15 years ago
1 answer
View Answer
8 of 8 questions shown
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