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#91913
GM 10 Bolt 7.5 Inch Ring and Pinion, 27 Spline, 3 Series
- Change the gear ratio of your GM car with these 7.5" 10 bolt gear sets
- These ring and pinion sets are manufactured to meet exact specifications to ensure a quality product every time
- 3.23 and numerically higher ring & pinion ratios are designed for use with a "3 series" carrier
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Product Summary
- Change the gear ratio of your GM car with these 7.5" 10 bolt gear sets
- These ring and pinion sets are manufactured to meet exact specifications to ensure a quality product every time
- 3.23 and numerically higher ring & pinion ratios are designed for use with a "3 series" carrier
- If you intend to install these ratios with a "2 series" carrier, you need to use ring gear spacer #910-48305
- The 3.08 ratio ring and pinion set is for use with a "2 series" carrier
Need To Know
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Details
IMPORTANT NOTE: 3.23 and numerically higher ring & pinion ratios are designed for use with a "3 series" carrier. If you intend to install these ratios with a "2 series" carrier, you need to use ring gear spacer #910-48305. 3.08 ratio ring and pinion sets fit a "2 series" carrier and do not use a ring gear spacer.
- 7.50" diameter ring gear
- 1.438" diameter pinion
- 27 splines
Application
- 1975-79 Omega
- 1982-99 Camaro/Firebird
- 1983-99 S-10/S-15/Astro Van
- 1976-79 Skylark
- 1977-90 Fullsize Olds/Buick/Pont
- 1977-96 Fullsize Chevy
- 1978-81 Century/Phoenix/Ventura
- 1978-87 Cutlass/Grand Prix
- 1978-87 Monte Carlo/Regal
Warranty Information
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Warranty Information
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Specifications
Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | Select Ratio to see |
| Brand | Speedway Motors |
| Ratio | Select Ratio to see |
| GENERAL | |
| Ring Tooth Count | Select Ratio to see |
| Pinion Tooth Count | Select Ratio to see |
| Shaft Diameter | 1.438" |
| Outside Diameter | Select Ratio to see |
| Spline Count | 27 |
| Material Type | Steel |
| Sold in Quantity | Set |
Ratings & Reviews
4.6
8 Reviews
Customers highly praise the product for its high quality, remarking on its excellent fit and easy assembly. Many were impressed by the robustness and durability, having used it repeatedly without any issues. The product's feature of easy installation was recurrently emphasized, suggesting simplicity of use. Positive remarks about the material quality and good packaging reinforce the perception of a top-notch, professional design. Compared to similar items from competitors, customers affirmed they would prefer this product again, appreciating its timely delivery and true-to-description qualities.
Ratings & Reviews
4.6
8 Reviews
Customers highly praise the product for its high quality, remarking on its excellent fit and easy assembly. Many were impressed by the robustness and durability, having used it repeatedly without any issues. The product's feature of easy installation was recurrently emphasized, suggesting simplicity of use. Positive remarks about the material quality and good packaging reinforce the perception of a top-notch, professional design. Compared to similar items from competitors, customers affirmed they would prefer this product again, appreciating its timely delivery and true-to-description qualities.
4.6
8 reviews
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Filter by Ratings
Yes
5.0
4 years ago
Walt
Walt Wabash ind
Verified
Works great
Would Recommend
Great parts and fit without any problems. Thanks
5.0
5 years ago
Kooldaddyo
Tooele Ut
Verified
Everything assembled with no problems. Thanks
Would Recommend
great transaction
5.0
10 years ago
Nate
wa
Verified
My first gm rear end set up and install not sure how quiet i got it cant here it over my bbc 427 lol
Would Recommend
I would buy this product again
5.0
10 years ago
Ben
Mooresville In
Verified
Had no problem with this gear
Would Recommend
GOOD PRODUCT
5.0
10 years ago
MIKEYDOG
LAWTON IA.
Verified
GOOD PRODUCT
Would Recommend
good deal
4.0
11 years ago
lewis
cortex colorado 81321
Verified
the gear set that was deliverd was exactly what I had ordered and got it in a great time frame. the gears looked great and were packaged securely. looks like quality material went into the product all the way around even in the packaging
Would Recommend
good gear easy to install
4.0
11 years ago
jason
oklahoma
Verified
easy to install
Would Recommend
ran ring and pinion before they held up
4.0
16 years ago
jeff
new york
Verified
good parts
Showing 8 of 8 reviews
Questions & Answers
Questions & Answers
18 Questions • 10 Answers
will the 456 gears fit in the stock carrier of a 1985 z28
by z28
• 8 years ago
1 answer
View Answer
i have a 1986 s10 chassis and I also need a posi carrier can you recommend a carrier that speedway carries to go with this gear set?
by Jeremy ratrod
• 8 years ago
1 answer
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Will this set work in my 95 Camaro 10 bolt
by Andrew
• 8 years ago
1 answer
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Will the 4.56's work in a 7.5 10 bolt out of a 91 camaro? I have 3.73s right now but wanting more gear.
by Matthew
• 8 years ago
1 answer
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will these work on a 80 caprice gm 10 bolt 7.5 currenty has 2.41 27 spline pinion and 26 spline axles
by thomas
• 9 years ago
1 answer
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Will these gears work if I run a stock carrier in a gm 7.5 10 bolt in a 88 monty carlo ss and are these thick gears
by stinky pinky
• 9 years ago
1 answer
View Answer
Is the 3.73 a thick or thin gear?
by Tyler
• 9 years ago
1 answer
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Who is the manufacturer of these gear sets?
by Dave
• 9 years ago
1 answer
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Will this gear work in my 1985 delta 88? I believe I have 2:73 gears right now. the differential is a GM 10 bolt and I BELIEVE a 7.5. I would like to put 4:10 or 3:90. thanks.
by kal
• 9 years ago
1 answer
View Answer
Will this work on a 80 Chevy monza
by Jbell
• 10 years ago
1 answer
View Answer
10 of 18 questions shown