7 1/2 Inch GM Ring Gear Spacer with Bolts
7 1/2 Inch GM Ring Gear Spacer with Bolts
Speedway Motors

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#91048305

7 1/2 Inch GM Ring Gear Spacer with Bolts

  • Specs: 7.50? dia. ring gear; 1.438? dia. pinion 27-spline
  • Note: When using a carrier from an original 3.23 or numerically lower, you need to use the ring gear spacer 91048305
  • All GM models except H body Monza, Vega and Starfire ?77-?99
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$45.99

/each

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Product Summary

GM 7.5 Inch 10-Bolt, 4.640" Inside Diameter, Painted

  • Specs: 7.50? dia. ring gear; 1.438? dia. pinion 27-spline
  • Note: When using a carrier from an original 3.23 or numerically lower, you need to use the ring gear spacer 91048305
  • All GM models except H body Monza, Vega and Starfire ?77-?99
  • Camaro, Firebird ?82-?99
  • S-10, S-15, Astro Van ?83-?99
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Key Specs

MFG. Part #91048305
BrandSpeedway Motors
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Speedway Motors 91048305 Details

Allows you to install a bigger series gear set onto a smaller series carrier. Precision ground to ensure trueness and provide proper backlash. Fits 7.50" diameter ring gear with 1.438" diameter pinion (27 spline). Longer, LH thread ring gear bolts are included with this spacer.

Item Details

'''82-''99 Camaro/Firebird
''83-''99 S-10/Astro Van'

Application

  • '77-'79 GM Models (Except H-Body Monza, Vega and Starfire)
  • '82-'99 Camaro/Firebird
  • '83-'99 S-10, S-15, Astro Van

 

  • GM 7.5" case series:
    • 3.08 & Numerically lower fit "2 series" carrier
    • 3.23 & Numerically higher fit "3 series" carrier

Speedway Motors 91048305 Specifications

KEY SPECS
MFG. Part #91048305
BrandSpeedway Motors
GENERAL
Inside Diameter4.640"
Outside Diameter6.600"
Overall Thickness.315"
FinishPainted
Material TypeSteel
Hardware IncludedYes
Sold in QuantityEach
NotesRing gear bolts are included. 91048304 (7/16-20 x 1.25" left hand grade 8 hex head 10 pc)

Ratings & Reviews

4.8

4 Reviews

Overall Assessment

Customers are appreciating the featured product for its quality and practicality. Its perfect fitability, inclusive of all necessary hardware, has been a recurring highlight, aiding in seamless operations. Despite some challenges with setting the pin, the product's performance still delivered well, even in more demanding uses, such as in race cars. This proves its superior quality and function compared to the alternatives.

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4.8

4 reviews

5

3

4

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Great product

5.0

3 years ago

Jason

Kenosha, Wi.

Verified

I realized I needed this adapter last minute because I was unaware that the carrier I had was too small for the gear set I was installing. It fit perfectly and allowed me to finish the job with no issue.

Would Recommend

Yes

5.0

8 years ago

?

Valley City NorthDakota has

Verified

fit perfectly and all hardware included

Would Recommend

Ring gear spacer

5.0

9 years ago

Jacob

Goodland KS

Verified

Works good. But makes set pin hard too get in!

Would Recommend

I WOULD BUY THIS PRODUCT AGAIN

4.0

14 years ago

RONNIE

ALABAMA

Verified

USED ON A RACE CAR AND IT WORKED.

Would Recommend

Showing 4 of 4 reviews

Questions & Answers

2 Questions • 2 Answers

I have a small carrier also 3.42 ring gear is this spacer what I need to combine the two? I plan on ordering this in the morning...

by dad

• 10 years ago

1 answer

View Answer

Are these left handed bolts.

by wesley85

• 15 years ago

1 answer

View Answer

2 of 2 questions shown

Fitment

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