Help is just a click away!
Click here to chat with a Speedway Team Member
Online - Chat with us!
Products to Compare (max of 3)
Compare These Parts
Talk to the Experts. Call 800.979.0122, 7am-10pm, everyday.
Customer Service
Since 1952
  • Expert Tech Support
  • Huge Inventory
  • Fast Shipping
Talk to the Experts. Call 800.979.0122
Shop By
Street Race Truck More... The Toolbox
Add to Cart
Dropped Semi-Elliptical Gasser Axle Kit, Chevy Spindle, 4 Inch Drop
Dropped Semi-Elliptical Gasser Axle Kit, Chevy Spindle, 4 Inch Drop

Dropped Semi-Elliptical Gasser Axle Kit, Chevy Spindle, 4 Inch Drop

Universal Fit, Straight Axle Front Suspension Type, 4 Inch Lowered Suspension Height Adjustment

2 Reviews | 13 Answered Questions
In Stock
Ships FREE
Select your vehicle to verify fitment.
Select Vehicle
Dropped Semi-Elliptical Gasser Axle Kit, Chevy Spindle, 4 Inch Drop
Dropped Semi-Elliptical Gasser Axle Kit, Chevy Spindle, 4 Inch Drop
Zoomed In Image
Part # 91639032
Add to Cart
Call to Order
Add to Buildlist

What's In The Kit
Videos & Articles

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Build Your Kit

You're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
Add to Cart


Front Suspension Type:
Straight Axle
Suspension Height Adjustment:
4 Inch Lowered
Shock Type:
Not Included
Spring Type:
Leaf Spring
Spindle Style:
Chevy/GM Stock
Dropped Spindles:
Dropped Axle:
Dropped Control Arms:
Front Leaf Spring Style:
Semi-Elliptical Gasser
Spindles Included:
MFG. Part #:


Black steel, universal application, professionally engineered. Spring pads to be welded to the axle by the builder and are therefore adjustable on the axle for different frame widths. For 1949-54 Chevy style spindles.

Gasser Build Info (PDF)

Kit includes:

  • 48" double bend tube axle w/ welded ends (0.250" wall tubing)
  • two axle pads and U-bolts
  • two 1-3/4" spring shackles w/ nylon bushings
  • two frame mounting brackets
  • two 32" 6-leaf springs
  • all hardware

916-3903 Instructions (PDF)

Item Details

'for ''49-''54 Chevy Spindles'


  • Spring Arch:  4-3/4"
  • Total Leaves:  6 (each 1/4" thick)
  • Spring Rate:  400 lbs/inch
  • Axle Tube:  2.00" O.D.
  • Axle Width:  48" kingpin center-to-center
Some parts are not legal for use in California or other states with similar laws/regulations

Related Products

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Dropped Gasser Front Axle, Chevy Spindle, 48 Inch Wide, 4 Inch Drop
    Qty x 1
  • Super Glide® Front Spring, 48 Inch Axle, Standard Eye, Plain
    Qty x 2
  • Semi-Elliptical Straight Axle Mounting Hardware
    Qty x 1

More Like This


Q & A

Videos & Articles
  • Speedway Motors and Classic Trucks joined teams to build a 1952 Chevy truck for the newest Week to Wicked build. Jason and Tom talk about the Speedway Motors Mustang II front suspension kit used on the build.
  • In this episode, Project Chevelle gets coilovers and a much-needed altitude adjustment. Watch as we install QA1 bolt-on coilover kits front and rear, then dial in the perfect stance and shock settings. Our old Chevelle is really starting to look mean!
  • AccuAir and Speedway Motors team up to bring you a video series explaining the basics of air suspension. Watch these videos to get a better understanding of air suspension.

You May Also Like