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Richmond Gear 6903501 Ring and Pinion Set 4.10 Ratio GM 8.875" 12-Bolt Truck

(GMC G2500 1979-81, K1500 1979-82, C1500 1979-82, Jimmy 1970-81, C15/C1500 Pickup 1967-74, 1979-81, C2500 1979-81, K1500 Suburban 1979-82 + 56 more models)

Part of: Richmond Gear Excel Differential Ring and Pinion Set

Other options in this family: Richmond Gear F9411 Richmond Gear F88410 Richmond Gear 4900391 Richmond Gear 12BC373T Richmond Gear 6903041

Manufacturer

Picture for manufacturer Richmond Gear

Part Number

6903501
6 reviews
Sale Price

$376.10

1 left at this price

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Usually delivered within 2 days

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Product Details

The Richmond Gear 69-0350-1 Street Gear Ring and Pinion Set delivers professional-quality performance for GM 8.875-inch 12-bolt truck differentials. Engineered with a 4.10:1 gear ratio, this matched ring and pinion set features 37 ring gear teeth and 9 pinion teeth for optimal power transfer and improved acceleration.

Key Features:

  • 4.10:1 gear ratio for enhanced off-the-line acceleration and towing performance
  • Fits GM 8.875-inch (12-bolt) truck differentials with 3 Series carrier (3.40 and lower)
  • 30-spline pinion shaft with 1.438-inch diameter
  • Manufactured from first-run steel, never recycled material for maximum strength
  • Ground pinion threads to gage quality for trouble-free installation
  • Computer-controlled heat treatment process for superior durability
  • Thick gear design for heavy-duty applications
  • 12-bolt ring gear mounting pattern

Richmond Gear ring and pinion sets are manufactured using state-of-the-art CNC equipment with precision tolerances measured to 1/1000th of an inch. Each set is a matched pair with corresponding identification numbers on both the ring gear and pinion. Made from premium-grade steel with advanced heat treating, these gears are engineered to handle high torque loads from modified engines while providing reliable street performance. Backed by Richmond's 2-year/100,000-mile warranty for street applications.

Products specifications

Fits

GMC G2500 1979-81, K1500 1979-82, C1500 1979-82, Jimmy 1970-81, C15/C1500 Pickup 1967-74, 1979-81, C2500 1979-81, K1500 Suburban 1979-82, G25/G2500 Van 1967-81, C1500 Suburban 1979-81, K15/K1500 Pickup 1966-74 + 53 more models

Calculator

Gear Ratio Calculator

Carrier Series

3

Cover Bolts

12

Installation Kit Included

No

Notes

3.40:1 or numerically lower carrier.

Pinion Gear Teeth

10

Pinion Shaft Diameter (in)

1.438 in.

Pinion Spline Count

30

Quantity

Sold as a set.

Ring and Pinion Ratio

4.10:1

Ring Gear Bolts

12

Ring Gear Diameter (in)

8.875 in.

Ring Gear Rotation

Standard

Ring Gear Teeth

41

Tool

Transmission Lookup

Ring Gear Bolt Quantity

12

Ring Gear Material

8620 Steel

Differential Carrier Break

3.40 and Lower

Cover Bolt Quantity

12

Pinion Gear Tooth Quantity

9

Pinion Shaft Diameter

1.438

Ring Gear Diameter

8.875

Differential Case Design Type

GM 8.875 Truck

Ring Gear Tooth Quantity

37

Ring and Pinion Gear Ratio

4.10

Prop 65

WARNING: Cancer - www.p65warnings.ca.gov

Position

Rear

Good seller, less expensive products compare to other online store, and fast shipping too, I ordered last Sunday July 29, and it will gonna be here tomorrow , so excited.. Highly recommended !

ugg... the description was lacking

Order 18232. Everything came quicker than expected! Packed well and in excellent condition. Definitely recommended. Already did to one of my friends looking for parts.

Super fast shipping, great price, and items arrived perfect.

great customer service! best prices and ships fast!

Best place to find good products for cheap. I just got a jet programmer for almost $100 below the normal price. I also appreciate the fact that they gave me a call to make sure I was the one ordering.

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