RICHMOND
More Information for RICHMOND 4901001
{Alternate Inventory Numbers: 49-0111-1, 69-0064-1, 49-0100-1, 49-0101-1, 69-0065-1}
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RICHMOND 4901001  
Choose Gear Ratio Below
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Choose Gear Ratio:
  •  
  • 4.62 Gear Ratio (Only 1 Remaining) ($241.79) Delay2 Day DelayWarehouse
  • 4.11 Gear Ratio ($269.79) Delay2 Day DelayWarehouse
  • 3.80 Gear Ratio ($275.79) Warehouse
  • 3.55 Gear Ratio (Only 1 Remaining) ($278.79) Warehouse
  • 3.00 Gear Ratio ($306.79) Warehouse
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RICHMOND 4901001 Specifications
Cover Bolt QuantityDropout
Differential Case Design TypeFord 8
Pinion Gear Tooth Quantity13
Pinion Shaft Diameter (IN)1.188
Pinion Spline Count25
Ring & Pinion Gear Ratio3.00
Ring Gear Bolt Quantity10
Ring Gear Diameter (IN)8
Ring Gear Material8620 Steel
Ring Gear RotationStandard
Ring Gear Tooth Quantity39
Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring and pinions handle the extreme torque from high horsepower engines. Extensive engineering, computer controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios available, make Richmond Gear the clear winner! Winners Run Richmond!

Features & Benefits:
  • Made in Italy, at the highest quality manufacturing facilities
  • Made from Richmond's highest quality steel and cut from first run steel forgings
  • Longer lapping times ensure smother tooth face, lower drag, and less noise
  • Computer controlled heat treatment to ensure an even heat treat depth
Differential Identification Guide

To order the correct ring & pinion, it's crucial to know the differential type and gear ratio on your vehicle.
  • First, determine your Differential Type.
  • Next, determine the gear ratio on your vehicle using one of the following methods:
    • Count The Teeth: Divide the number of teeth on the ring gear (big gear) by the number of teeth on the pinion gear (small gear). If you have 37 teeth on your ring gear and 12 teeth on your pinion gear, you have a 3.08 Gear Ratio (37 ÷ 12 = 3.08).
    • Verify Through A Dealer: Verify the ratio using your VIN number. This will only be accurate if the differential has not been previously modified.
Additional Resources

Installation Instructions

Attention California Customers - Cancer and Reproductive Harm - www.P65Warnings.ca.gov


RICHMOND Warranty Information:
12 Months