Product Summary

Buick, Chevy, GMC, Oldsmobile, Pontiac, Rear Position

  • These rear coil springs are desgined to lower your car or truck while still maintaining a proper spring rate to keep your suspension from bottoming out
  • 4" drop for 1960 to 1972 Chevy and GMC trucks
  • 2" drop for 1967 to 1972 GM A body cars such as Chevelle
  • 300 pound spring rate works well for light duty truck applications but may not be suited for towing , Panel trucks, or Suburbans
  • Direct bolt in replacement spring makes this the simple way to drop your ride
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Key Specs

MFG. Part #91006034
PositionRear
Spring Rate300 lbs.
Free Height10.5"
Outside Diameter7"
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91006034 Details

These rear coils are desgined to lower your truck, while still maintaining a proper spring rate to keep your suspension from bottoming out. They work great on six-cylinder and V8 trucks, but may not be suited for panels, Suburban or heavy duty towing applications.

The manufacturer says that this spring has the same "rate" as the stock spring, app. 300 lbs.

Note: The drop rate is different on the A-Body cars than it is on the trucks. There is a 4" drop in the truck and 2" drop on the small block A bodies.

Application:

  • 1967-1972 GM A-Body Cars
  • 1960-1972 Chevy Trucks
  • 1967-1972 Chevelle

Speedway Motors 91006034 Specifications

KEY SPECS
MFG. Part #91006034
BrandSpeedway Motors
PositionRear
Spring Rate300 lbs.
Free Height10.5"
Outside Diameter7"
Inside Diameter3.5"
Material TypeSteel
FinishPowder Coated
ColorBlack
Spring Rate Range300 - 399 lbs.
GENERAL
Sold in QuantityPair
Rear Suspension Height4.0 Inch Lowered
Progressive Rate SpringNo
Coil Spring End (A)Pigtail
Coil Spring End (B)Pigtail
Wire Diameter0.6"

Ratings & Reviews

5

17 Reviews

Overall Assessment

Customers highly appreciate the product for its quality, practicality, and easy installation. It is especially praised for providing the desired lowering effect and improved vehicle handling. Users are happy that it fits perfectly in the spring pockets, meeting the advertised lowering measurements. They have found the springs to be a direct replacement for originals, showcasing high material quality and effective performance. The product also stands out for its competitive price point. This product enjoys broad customer recommendations due to its noticeable performance upgrades compared to competition.

5

17 reviews

5

17

4

0

3

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Filter by Ratings

Quality product

5.0

a year ago

Frosty

Wv

Verified

Fit well

Would Recommend

Good quality

5.0

3 years ago

C10 rebuild

Colorado

Verified

Easy install. Lowered the truck nicely.

Would Recommend

Awesome

5.0

3 years ago

Jay

Diamond

Verified

Great product

Would Recommend

I will being purchasing these springs again in the future

5.0

5 years ago

Boss Vette

Mass

Verified

Swapping the rear springs on a Chevelle is easy ,so dropping your ride with these springs is no brainer.

Would Recommend

Yes

5.0

5 years ago

Greg

Colorado

Verified

Was as advertised

Would Recommend

Perfect fit

5.0

5 years ago

N Chris

Brentwood Ca

Verified

The springs worked to perfection

Perfect, height, with a very good ride.

5.0

6 years ago

Bassmanron

Modesto, California

Verified

These springs fit perfectly in the spring pockets. Lower rear of Chevelle a pleasant 2", while suppling a very nice ride.

Would Recommend

Nice product

5.0

7 years ago

70 chevelle guy

Beach park IL

Verified

Direct replacement for originals

Would Recommend

I would recommend this product

5.0

7 years ago

Hot rod

Lancaster pa

Verified

Springs fit perfectly and lowered 4 inches like they said love them

Would Recommend

Excellent Spring coil

5.0

8 years ago

Dangolo

Laredo Tx

Verified

Good product

Would Not Recommend

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Showing 10 of 17 reviews

Questions & Answers

4 Questions5 Answers

what shocks would work with #91006034 4" rear drop coils?

by Bob

3 years ago

1 answer

Do lowering blocks need to be used with this installation. Do I use stock height U bolts for 2 inch drop on 1972 C 10

by christopher

7 years ago

2 answers

Do I need to consider an el camino as a chevelle or a truck with this coil?

by Yogi

9 years ago

1 answer

Are these dropped springs strong enough for me to be able to put a load in my truck bed, w/o my bumper dragging on the street?

by ChevyChris

11 years ago

1 answer

4 of 4 questions shown

Fitment

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