2004-2020 Ford F150 4WD Auto Spring 3 inch Rear Lift Kit | Part# BL1504WD

2004-2020 F150 4WD Auto Spring 3 inch Rear Block

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Part#:

BL1504WD

5 Review(s) Write a Review

9 Customer Q&A(s)

$196.25

0 in stock: Ships From Manufacturer. Average Time To Ship Is 2-3 Business Days

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Product Features
5 Customer Review(s)
9 Q&A(s)

Highlights:

Cast Steel Construction
Fit 35" Tires on Factory Wheels
Zinc-Plated Hardware and Nylock Nuts
4WD Trucks Only

OEM-Style Lift Block For Improved Quality

Everyone and their mother seem to have a rear lift block kit for F150s and, unfortunately, there are a lot of low-quality options out there when you get into the lower price point. Fortunately, "inexpensive" doesn't mean "cheap" to our friends at Auto Spring. Their 3" Rear Lift Block Kits feature an OEM-style design and high-quality construction, which makes it one of the toughest and highest-quality rear lift systems available on the market today. Auto Spring's Rear Lift blocks bump your truck's rear end up enough for you to fit on up to 35" tires on your truck's factory wheels to get you some extra ground clearance for any application you see fit.

Manufactured out of Cast Steel Instead of Iron

While most rear lift blocks on the market are made out of low-quality cast iron that may have a corrosion-resistant finish if you're lucky, Auto Spring's kit is designed with strength and long-term reliability in mind for your F150. Their kits are also created with convenience in mind and ease of installation as well. Their engineers use the highest quality materials, including Grade 8.8 Zinc-plated hardware and Nylock nuts. Auto Spring's 3" Rear Lift Block is fabricated from heavy duty 1/4" CNC laser-cut U.S. steel and 1/4" thick wall D.O.M tubing for indestructible strength and quality to last through even the toughest off-road action.

Drivetrain Fitment: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ford F150. This 3" Rear Lift Block is for 4WD trucks only and will not fit 2WD F150s.

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2015 Ford F-150 Lariot FX4

Identical to the factory block, only bigger. U-bolts and nylock nuts superior grade fit and finish. If you're looking to maintain some factory rake with a 2-3 lift on your F-150 this is the rear block kit to get...hands down. You won't be disappointed! Stage3 Motorsports competitive pricing, fast shipping and customer service is excellent.

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Reviewed by: Cameron G from Vancouver, WA. on 8/27/2016

2016 F150

Great quality blocks. Fit and finish were great. Easy install in about an hour. The description says the included nuts are nylok but the ones I received were just traditional grade 8 nuts. The hardware is also raw metal and starts to rust pretty quickly. I hit them with a quick coat of black paint and now it looks great!

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Reviewed by: Dan from MA on 6/18/2017

2105 F-150

Love these because they are factory style. I just installed them about 3 weeks ago. Did not think to paint them. Very happy with these when coupled with a 2.5" up front. Preserves enough rake to be able to tow without rear end droop.

2004-2020 F150 4WD Auto Spring 3 inch Rear Block Review Image!

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Reviewed by: Jason from Indiana on 4/8/2019

2018 F-150 XLT 4wd

The block itself is very high quality and like the other reviews stated, looks and feels just like an oversized OEM unit. What I don't like about the kit is that the hardware and U-bolts rusted almost immediately. I am going to have to swap out the hardware because I'm not comfortable with how pitted they are getting.

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Reviewed by: Steve from CA on 12/5/2019

2018 F150

Easy to install. It looks perfect with a 2 inch coil over system.

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Reviewed by: Joe G from Trabuco canyon, Ca on 6/9/2024

If you have airbags will I need to buy airbag spacers after installing this block?

Asked by: Taysn - 1/3/2023

That depends on what air springs/airbags you have. Some require spacers, but some do not. Give us a call directly at 623-434-5277 or email us at [email protected] so we can get more specific about your air spring kit.

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Answer provided by: Jason@Stage3 (1/3/2023)

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I have a 2014 F150 FX4 -4X4, i have recently purchase from you the Fox Stage 2 Suspension Kit. can the rear Fox IFP Shocks can handle the 3" Rear Block lift.

Asked by: Deng - 4/24/2019

The Fox 2.0 rear shocks are only rated to handle 1" of rear lift, and a 3" rear block adds a net 1.5" of lift. The maximum rear block size you could use would be a 2.50" rear block.

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Answer provided by: Jason@Stage3 (4/25/2019)

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I purchased the Bilsteiin 5100 kit from you for my 18 platinum. I am very happy with the results and set the lift to 1.75. I have a topper on order and in anticipation of a little sag, I want to order 3” rear blocks (leaning toward auto spring) to correct. I saw a couple brands are offering tapered blocks. Is this necessary? My OEM blocks are 1.25, so I will be increasing the spacing +1.75” Thank you!

Asked by: Lee - 1/16/2019

Tapered blocks aren't 100% necessary, though they do help you truck's pinion angle which can help prevent driveline noise. The bad news is that the Bisltein 5100 rear shocks are only rated to handle 1" of rear lift over stock, and the Auto Spring block will push you beyond that. Your safer bet would be the Halo Lifts 2" to 2.50" Rear Block Kit, and the maximum rear block you could use would be the 2.50" variant.

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Answer provided by: Jason@Stage3 (1/17/2019)

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So does this lift block replace the stock block? What does this add for lift In total?

Asked by: Reilly - 1/7/2019

This block replaces your factory block and gets you either 1.50" or 1.75" of net rear lift, depending on the size of your factory block (which is either 1.25" or 1.50" depending on year and submodel).

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Answer provided by: Jason@Stage3 (1/9/2019)

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Would the rear shocks on the Icon Stage 2 Coil Over package or the Boss Ultimate Package be adequate for mild off-roading with these blocks?

Asked by: Zach - 12/22/2018

Yep. Both shocks can handle the height of this 3" block for mild off-roading.

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Answer provided by: Jason@Stage3 (12/28/2018)

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If I use this in conjunction with a 2" Autospring front level kit, will I need longer shocks or can I re use the stock ones? My trucks is a 2014 F150 STX SuperCrew, 5.5' bed.

Asked by: Lenny - 2/9/2016

Aftermarket shocks aren't strictly required for a 3" block, however, if you're going to be using the truck off-road and fully articulating the rear end on a regular basis, then we strongly recommend aftermarket rear shocks. A street truck or on-road towing vehicle will be fine with the factory shocks.

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Answer provided by: Jason@Stage3 (2/9/2016)

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Auto Spring's website describes these blocks are black polyurethane finished, but this image looks like uncoated steal. Are the blocks coated or no? Thanks.

Asked by: Robert - 7/30/2015

They absolutely do come in a black polyurethane finish. Unfortunately, we haven't had these blocks in for our own images as of yet, and the unfinished cast blocks was the only image provided by Auto Spring.

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Answer provided by: Jason@Stage3 (7/31/2015)

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Will I need longer rear brake lines or shocks with these 3" blocks in the rear ?

Asked by: 2011FX4 - 4/21/2015

You don't need extended brake lines for a 3" block, and you really only need longer aftermarket shocks if you plan on doing off-roading where your suspension will fully articulate. For a generally street application, you'll usually be fine with the factory shocks, though upgrading can be beneficial to your ride quality and handling.

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Answer provided by: Jason@Stage3 (4/21/2015)

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On the autospring website i read this " Our newest version 3 inch Tall(4WD) blocks are cast steel and identical to the factory blocks in design." So the ones you have for sale on your website would they be considered there newest version or are they the previous design?

Asked by: Vito 2012 ford f150 fx4 - 3/10/2014

These are the latest rear block designs from AutoSpring and are made from OE-Style cast steel.

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Answer provided by: Jason@Stage3 (3/14/2014)

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2004-2020 Ford F150 4WD Auto Spring 3 inch Rear Lift Kit | Part# BL1504WD

BL1504WD

OEM-Style Lift Block For Improved Quality

Manufactured out of Cast Steel Instead of Iron

If you have airbags will I need to buy airbag spacers after installing this block?

I have a 2014 F150 FX4 -4X4, i have recently purchase from you the Fox Stage 2 Suspension Kit. can the rear Fox IFP Shocks can handle the 3" Rear Block lift.

So does this lift block replace the stock block? What does this add for lift In total?

Would the rear shocks on the Icon Stage 2 Coil Over package or the Boss Ultimate Package be adequate for mild off-roading with these blocks?

If I use this in conjunction with a 2" Autospring front level kit, will I need longer shocks or can I re use the stock ones? My trucks is a 2014 F150 STX SuperCrew, 5.5' bed.

Auto Spring's website describes these blocks are black polyurethane finished, but this image looks like uncoated steal. Are the blocks coated or no? Thanks.

Will I need longer rear brake lines or shocks with these 3" blocks in the rear ?

On the autospring website i read this " Our newest version 3 inch Tall(4WD) blocks are cast steel and identical to the factory blocks in design." So the ones you have for sale on your website would they be considered there newest version or are they the previous design?

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