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Richmond Gear 49-0034-1 Ring and Pinion Set 3.90:1 Ratio GM 8.5/8.6 10-Bolt

(Chevrolet Silverado 1500 1999-2020, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 1995-2014, Camaro 1970-81, Tahoe 1995-2015 + 150 more models)

Manufacturer

Part Number

4900341
Sale Price

$345.56

3 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Richmond Gear 49-0034-1 Street Gear ring and pinion set delivers professional-grade performance for GM 8.5 and 8.6-inch 10-bolt rear differentials. Featuring a 3.90:1 gear ratio with 39 ring gear teeth and 10 pinion gear teeth, this set provides excellent acceleration and power delivery for street and performance applications.

Key Specifications:

  • 3.90:1 gear ratio for improved acceleration
  • Designed for GM 8.5/8.6-inch 10-bolt rear ends
  • 39 ring gear teeth, 10 pinion gear teeth
  • 30-spline pinion shaft
  • 10 ring gear bolts, 10 cover bolts
  • Requires 2.73:1 or numerically higher ratio carrier
  • Standard rotation ring gear

Premium Manufacturing:

Richmond Gear ring and pinion sets are manufactured using computer-controlled precision equipment with cutting tolerances of 1/1000th of an inch. Each gear undergoes specialized heat treatment for maximum strength and durability. The superior quality results from decades of racing development, outstanding engineering design, and state-of-the-art manufacturing methods.

Important Installation Notes:

  • Not compatible with factory ABS reluctor rings
  • Must use 2.73:1 or numerically higher ratio carrier
  • Professional installation recommended
  • Sold as a matched set with identification numbers on ring and pinion

With over 80 years of racing heritage, Richmond Gear's "Double Diamond" brand has been proven at both the Daytona 500 and NHRA U.S. Nationals, delivering championship-winning performance on the track and reliable service on the street.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2020, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 1995-2014, Camaro 1970-81, Tahoe 1995-2015, S10 1994-2004, Impala 1971-85, 1994-96, Colorado 2007-13, Malibu 1973-77, C1500 1988-99 + 145 more models

Calculator

Gear Ratio Calculator

Carrier Series

3

Cover Bolts

10

Installation Kit Included

No

Notes

2.73:1 or numerically higher ratio carrier. Will not work with factory ABS reluctor ring.

Pinion Gear Teeth

10

Pinion Shaft Diameter (in)

1.626 in.

Pinion Spline Count

30

Quantity

Sold as a set.

Ring and Pinion Ratio

3.90:1

Ring Gear Bolts

10

Ring Gear Diameter (in)

8.500 in.

Ring Gear Rotation

Standard

Ring Gear Teeth

39

Tool

Transmission Lookup

Differential Case Design Type

GM 8.625

Ring Gear Material

8620 Steel

Pinion Gear Tooth Quantity

10

Ring Gear Tooth Quantity

39

Ring and Pinion Gear Ratio

3.90

Ring Gear Diameter

8.5

Differential Case Design Type

GM 8.5

Cover Bolt Quantity

10

Ring Gear Bolt Quantity

10

Differential Carrier Break

2.76 and Higher

Pinion Shaft Diameter

1.626

Prop 65

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hope product is as nice as portrayed

Thanks

good price

Wow it was shipped so quickly it arrived the next day. Will be ordering again.

Cheapest place to buy the tires I was looking for. Fast shipping as well.

A little hard to find exactly what you're looking for but good prices.. I placed an order for two products that were shipped separately. One was delivered quite quickly and the other took a lot longer. The orders were correct and the products were correct

Great price

Great Price, shipped 2 days later though.

easy so far

easy to order and fast response on shipping.

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