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#9103548
Gasser Straight Axle, Ford Spindle and Brake Kits, 56-1/4 Hub-to-Hub
- Old school gasser axle kit has a 48" axle and features a 56-1/4" hub to hub measurement, wheel mounting surface to wheel mounting surface
- 11" vented rotors resist heat and brake fade and have a 5 on 4-1/2" bolt pattern with 1/2"-20 studs
- Features common '78-'88 GM metric calipers with a 2-1/2" bore offers easy serviceability and proven performance
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$1,133.99
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Product Summary
Universal Fit, Straight Axle Front Suspension Type
- Old school gasser axle kit has a 48" axle and features a 56-1/4" hub to hub measurement, wheel mounting surface to wheel mounting surface
- 11" vented rotors resist heat and brake fade and have a 5 on 4-1/2" bolt pattern with 1/2"-20 studs
- Features common '78-'88 GM metric calipers with a 2-1/2" bore offers easy serviceability and proven performance
- New Forged 4140 steel '37-'48 Ford round back spindles provide strength and dependability for years of service
- Universal design to fit multiple vehicle applications, will require welding and fabrication
Key Specs
| MFG. Part # | Select Caliper Type and Brake Kit |
| Front Suspension Type | Straight Axle |
| Suspension Height Adjustment | Stock Height |
| Control Arm Style | Not Included |
| Shock Type | Not Included |
Need To Know
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Details
These kits include our gasser straight front axle, semi-elliptical springs, spindles, king pins, steering arms, tierod kit, brake kit, and hardware. Choose either 5 on 4-1/2" or 5 on 4-3/4" bolt pattern with standard brake kit or Wilwood brake kit. Standard brake kits use new rotors and GM metric style calipers. Wilwood brake kit includes dual-drilled hub. Brake lines not included. Shocks not included, but shock mounts are included. Assembly required.
- 48 inch
Note: Wilwood brakes increase hub-to-hub width by 1/2".
Item Details
37-41 Ford Spindles, Specify bolt pattern,
48" Wide axle - 56 1/4" hub to hub.
- Not For Off-Road Race Use
Charts
910-3548 Instructions (PDF)
Gasser Info (PDF)
Specs
Gasser Kit w/ "Ford" Spindles
- Leaf springs, 31-1/4" long x 1-3/4" wide
- 6 leaf, 1/4" thick
- 400 lbs/inch spring rate
- Ford-style spindles (drop forged 4140 steel)
- Modeled after the 1937-41 round-back design
- Uses 1937-41 Ford king pins (included)
"Ford" Spindle Standard Brake Kit
- 5 x 4-1/2" Ford/Mopar bolt pattern
- 11" vented iron rotor, 1" thick
- Hub flange (hat) diameter -
- 1/2" Fine wheel studs
- GM Metric '78-'88 calipers, 2-1/2" piston
- 7/16"-20 banjo bolt to AN-3 line adapter kit
- 5 x 4-3/4" GM bolt pattern
- 11" vented iron rotor, 1" thick
- Hub flange (hat) diameter - 6-1/4"
- 7/16" Fine wheel studs
- GM Metric '78-'88 calipers, 2-1/2" piston
- 7/16"-20 banjo bolt to AN-3 line adapter kit
"Ford" Spindle Wilwood Brake Kit (must use 15"+ wheels)
- Forged Dynalite 4-piston Calipers
- 11.00" x .810" Ultralite HP 30 Vane iron rotors
- Wilwood BP-10 SmartPads - low noise, low dust
- Lightweight anodized aluminum Pro Street hubs
- 1/2"-20 wheel studs
Guides & Documents
Specifications
Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | Select Caliper Type and Brake Kit to see |
| Brand | Speedway Motors |
| Front Suspension Type | Straight Axle |
| Suspension Height Adjustment | Stock Height |
| Control Arm Style | Not Included |
| Shock Type | Not Included |
| Spring Type | Leaf Spring |
| Finish | Natural |
| Bolt Pattern | Select Caliper Type and Brake Kit to see |
| Rotor Diameter | 11 Inch |
| Spindle Style | Ford Custom |
| Dropped Spindles | No |
| Dropped Axle | No |
| Dropped Control Arms | No |
| Front Leaf Spring Style | Semi-Elliptical Gasser |
| Spindles Included | Yes |
| Brakes Included | Yes |
| Steering Included | Yes |
| Caliper Pistons | Select Caliper Type and Brake Kit to see |
| Caliper Finish | Select Caliper Type and Brake Kit to see |
| Welding Required | Yes |
| GENERAL | |
| Straight Axle Style | Tube |
Ratings & Reviews
4.8
16 Reviews
Product proves excellent quality, practicality and easy to use as noted by multiple customer reviews. The kit is well-engineered, complete, cost-effective and has been called the "most complete kit out there". It provides "the best bang for the buck" and a great time-saver compared to "scratch" builds. Notable features include providing more room for customization and being suitable for different car models. Speedway's targeted at 50's cars but can handle 30's cars with slight challenges. On usability, the kit could improve by providing better instructions, and clearer, detailed directions. Some users replaced its Heim joints with ones from ''Rod End Supply'' but overall satisfaction high. Despite minor dislikes, product’s recommended for projects due to speed and overall quality.
Ratings & Reviews
4.8
16 Reviews
Product proves excellent quality, practicality and easy to use as noted by multiple customer reviews. The kit is well-engineered, complete, cost-effective and has been called the "most complete kit out there". It provides "the best bang for the buck" and a great time-saver compared to "scratch" builds. Notable features include providing more room for customization and being suitable for different car models. Speedway's targeted at 50's cars but can handle 30's cars with slight challenges. On usability, the kit could improve by providing better instructions, and clearer, detailed directions. Some users replaced its Heim joints with ones from ''Rod End Supply'' but overall satisfaction high. Despite minor dislikes, product’s recommended for projects due to speed and overall quality.
4.8
16 reviews
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Filter by Ratings
Yes
5.0
4 months ago
Rolando
Prescott AZ
Verified
Installing on 1961 ford falcon 2 door station wagon 468 cu in FE Gasser
Would Recommend
Excellent product!
5.0
4 years ago
Racer Rick
Joshua,Tx
Verified
Can't wait to finish my project!
Would Recommend
Yes
5.0
5 years ago
Tex
Papillon,Ne
Verified
Fit like it should
Would Recommend
Great product I will buy again
5.0
5 years ago
Dave
Winsted Mn.
Verified
I have personally found that speedway put a lot of time and effort into there kits like this and that really helps the end user. I have purchased a lot of stuff from speedway and I have yet to be disappointed.
Would Recommend
Instructions would be nice.
4.0
5 years ago
Jiga's Junkyard Gasser
Temecula Ca
Verified
Because no instructions are included the end buyer either has to A) go back to the Speedway motors website and download/ print. Or B) guess how things are supposed to be torqued, welded, and installed.
Would Recommend
package was complete,fast delivery
5.0
6 years ago
71 KADART
ST.LEON, IN.
Verified
DIRECTIONS COULD BE A BIT MORE DETAILED
Would Recommend
Gasser Straight Axle for a 64 falcon
5.0
6 years ago
Outlaw
Mimbres,New Mexico
Verified
the straight axle will give me more room which I'll need.
Would Recommend
Very nnice kit!!!!!!!!!!!!
5.0
6 years ago
gasserup
falls city ne
Verified
gasser
Would Recommend
Very complete kit. Well thought out and engineered.
5.0
6 years ago
MoparDan
Webberville Michigan
Verified
Using this to replace the parallel leaf setup for my 1929 DeSoto. I substituted a 4" drop axle, and it lets the car sit right.
Would Recommend


I've bought & installed this kit 4 times...and will again.
5.0
6 years ago
Doug
Las Vegas
Verified
This is, by far, the most complete kit out there. Easy to install, and cost effective.
Would Recommend
Showing 10 of 16 reviews

