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#91032505
1955-1957 Chevy Car Power Steering Box, 14:1 Ratio
- This new 500 Series power steering box for 1955-1957 Chevy cars is just the ticket to update your ride
- Uses rotary valve technology to give you a superior road feel and driver feedback
- Use with your original Pitman arm or with our replacement Pitman arm 91032507
$633.99
/each
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Product Summary
Power Steering Box Type, OEM/Stock Steering System Type
- This new 500 Series power steering box for 1955-1957 Chevy cars is just the ticket to update your ride
- Uses rotary valve technology to give you a superior road feel and driver feedback
- Use with your original Pitman arm or with our replacement Pitman arm 91032507
- 14:1 steering ratio provides confident and predictable steering
- Input shaft is 3/4”-30 spline for connecting a rag joint or U-joint
Key Specs
| MFG. Part # | 91032505 |
| Steering Box Type | Power |
| Steering Box Orientation | Front Steer |
| Steering System Type | OEM/Stock |
| Finish | Painted |
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Speedway Motors 91032505 Details
This new 500 Series power steering box for 1955-1957 Chevy cars is just the ticket to update your ride. Uses rotary valve technology to give you a superior road feel and driver feedback eliminating leaky, sloppy steering! The 500 Series is truly the best of its kind. It is the only box on the market today manufactured with a one piece housing (no welding), all new parts, uses original pitman arm, and has a 14:1 ratio.
- 3/4"-30 input spline
- Steering ratio is 14:1
- Easy replacement for GM 605 box
- Input shaft is 3/4”-30 spline (the same as the 605 box)
- Sector shaft is 1” 36-4 tapered spline, the same as the original 1955-64 pitman shaft
- Pressure fitting is 7/16" tube (11/16"-18 inverted flare port)
- Return fitting is 3/8" tube (5/8"-18 inverted flare port)
Specs
- Overall distance from top of adjuster to end of pitman shaft is 14"
- Length of housing where it bolts to the frame in a 3-bolt pattern is 6-3/8"
- Bolt pattern is 3-3/16" center to center on two holes parallel with pitman shaft
- Bolt pattern is 3-1/8" center to center on two holes perpendicular to pitman shaft
- Overall length of main body from input shaft to end of housing is 11-3/4"
- From tip of input shaft to center of output housing is approx 7-1/2"
- From end of pitman shaft to center of input housing is approx 10-3/4"
Speedway Motors 91032505 Specifications
Speedway Motors 91032505 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91032505 |
| Brand | Speedway Motors |
| Steering Box Type | Power |
| Steering Box Orientation | Front Steer |
| Steering System Type | OEM/Stock |
| Finish | Painted |
| GENERAL | |
| Steering Ratio | 14:1 |
| Input Shaft Spline Count | 30 |
| Input Shaft Diameter | 0.75" |
| Overall Length | 11.75" |
| Sold in Quantity | Each |
Ratings & Reviews
4.8
9 Reviews
Customers highly appreciate the product for its confirmed qualities such as sturdiness, superior casting, and improved functionality over previous versions. Its immediate fit and enhanced steering have been particularly lauded. Despite requiring additional information for installation and separate purchase of necessary fittings, customers recommend this product for its tangible improvement over competitors, notably for making a significant difference in performance in vehicle models like the 55 bel-air. They are excited about the conversion to power steering and anticipate further enjoyment from cruising.
Ratings & Reviews
4.8
9 Reviews
Customers highly appreciate the product for its confirmed qualities such as sturdiness, superior casting, and improved functionality over previous versions. Its immediate fit and enhanced steering have been particularly lauded. Despite requiring additional information for installation and separate purchase of necessary fittings, customers recommend this product for its tangible improvement over competitors, notably for making a significant difference in performance in vehicle models like the 55 bel-air. They are excited about the conversion to power steering and anticipate further enjoyment from cruising.
4.8
9 reviews
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Filter by Ratings
Nice piece but not CPP
4.0
a year ago
56chevy
AL
Verified
Speedway does not expressly state this is a CPP500, but alludes to it. Either way, looks like a nice box and I purchased with a Holiday Discount so I'm satisfied.
Would Recommend
Good fit, works great
5.0
2 years ago
Mike
NY
Perfect replacement for my 57 Chevy steering box. Works perfectly.
Would Recommend
Works as needed!
5.0
3 years ago
Vintage RPM
Texas
Verified
A improvement over stock steering
Would Recommend
I would buy this again.
5.0
3 years ago
Charlie
Lee's Summit, MO
Verified
It needs more information about installation.
Would Recommend
Good quality steering box
5.0
4 years ago
Ted55
ClearLake MN
Verified
This unit is very stout. A previous box I had from another source flexed and leaked. This box has a larger body and superior casting.
Would Recommend
Yes I would buy this power steering box again fits my 57
5.0
5 years ago
Dirty Harry
Chelsea Alabama
Verified
Fits perfect but had to buy fittings to go from flared to o ring. Couldn't find them on Speedway and bought them from WARR
Would Recommend
A MUST BUY
5.0
7 years ago
Mizfit
Greeley,Co
Verified
It made a huge difference on my 55 bel-air
Would Recommend
Power steering
5.0
8 years ago
Jamey
Ohio
Verified
No core charge woohoo
Would Recommend
From Manual to Power Steering
4.0
12 years ago
47Willie
Stone Mountain, GA 30083
Good improvement from manual steering box. I am excited about the conversion to power steering and look forward to more cruising
Would Recommend
Showing 9 of 9 reviews
Questions & Answers
Questions & Answers
7 Questions • 9 Answers
I have a 57 bel air with 3 speed column shifter and the original manual gear box what are the isometrics of this power steering box How much longer or closer is it towards the column shaft than the original manual gear box or are they the same length as one another also can i use it with my with my original power steering pump thats mounted to the back of the generator
by RAY
• 7 years ago
1 answer
View Answer
My car is all original manual steering set up can the original column shaft be cut and used with a rag joint kit? Is there a certain pump and hose that works best with this?
by windy
• 8 years ago
2 answers
View Answers
What u-joint connects to the gear? Is it a D-shaft and what size?
by Randy
• 9 years ago
1 answer
View Answer
Will this conversion box work with a small block with fenderwell headers? I see that the box is longer which will require that the steering shaft and mast be cut but will the box clear the 5 &7 tubes of a fenderwell header?
by brent
• 9 years ago
1 answer
View Answer
We have 57 Bel air with a gear box stamped number 7819688, will the 500 series box worl as a replacement for this one/
by shop scott
• 9 years ago
1 answer
View Answer
I have a 348 big block in my 55 hardtop, current power steering box is hitting the factory headers, will this unit offer more clearance? Will it work? 1955 chevy hardtop, with 348 tripower, power steering box has been shaved to fit, now leaking. Will the model 500 you sell solve this issue?
by Tomtune
• 12 years ago
2 answers
View Answers
does it work with the 1/2 ton pickup
by coryR
• 14 years ago
1 answer
View Answer
7 of 7 questions shown
Fitment
Fitment
1955-1957 Chevy Bel Air
1957 Chevy Del Ray
1955-1957 Chevy Nomad
1955-1957 Chevy One-Fifty Series
1955-1957 Chevy Sedan Delivery
1955-1957 Chevy Two-Ten Series