This 3" lowering block kit includes just what you need to drop your car's leaf spring rear suspension, Extruded aluminum lowering blocks are 2-1/2" wide and 5" long, U-bolts fit 3" diameter axle housings and are 10" long to fit a variety of applications, U bolts are a premium steel construction and are zinc plated for corrosion resistance, Drops the ride height on vehicles with the axle mounted on top of the leaf springs
Speedway Universal Leaf Spring Lowering Block Kit, 3 Inch Speedway Motors
Speedway Universal Leaf Spring Lowering Block Kit, 3 Inch
Sku # 91043810
Mfr. Part # 91043810
Condition
New
Brand
Speedway Motors
Sold
Kit
Details
Info

Kit includes 2 extruded aluminum lowering blocks complete with four 1/2" U-bolts and hardware. Blocks are 2-1/2" wide x 5" long. U-bolts fit 3" diameter axle housings and are 10" long. 9/16" pin diameter.

Charts

(PDF)

Specs
Material Type
Aluminum
Sold in Quantity
Kit
Notes
U bolt is 10" x 3".
Thread Pitch
1/2"-20
Overall Height
3.00
Overall Width
2.50
Overall Length
5.00
Thread Length
6.00
MFG. Part #
91043810
Reviews

I will definitely buy these again! Great price also!

Rated
Product Rating
by Dave helmuth on December 29, 2021

Summary: Built out of nice aluminum, included the perfect length I-bolts also

Pros: Shipping was fast, blocks are very Nicely made

Wrong u bolts for 53 chevy

Rated
Product Rating
by Tim's 53 on May 15, 2021

Summary: I ordered 3" block kit for a 53 Chevy... it takes square u bolts not round ones... not a problem just have to find them...

Yes, I recommend this product.

Worked great!

Rated
Product Rating
by Jim on December 19, 2020

Summary: Used on my 1955 ford Ranch Wagon. Easy install. U-bolts are tough hardened steel.

Yes, I recommend this product.

yes

Rated
Product Rating
by hay you on December 03, 2020

Summary: fit good

Yes, I recommend this product.

Pleased overall

Rated
Product Rating
by HSM on October 22, 2020

Summary: Always a good experience dealing with Speedway

Yes, I recommend this product.

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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.