4.88 Ratio Differential Ring and Pinion for 7.8 (Inch) (Dropout)


Motive Gear stock performance ring and pinions are excellent replacements for OE. Experienced installers prefer our ring and pinions for easy setup, superior strength, quality, and our vast ratio selection. Motive Gear produces the industry’s widest range of OEM replacement ring and pinions. Engineered to the highest standards, every Motive Gear product goes through rigid quality control processes in our in-house lab. In combination with Motive Gear’s performance and axle divisions: Motive Gear Performance and TEN Factory, there simply isn’t a better value in drivetrain components.

T488 Application Notes

  • For Toyota 8"
  • 4.88 Ratio
  • 3.90 Ratio Carrier and Higher
  • Factory 4.88 Housings Will Not Accept Aftermarket Ring and Pinions


1 Year or 50,000 Miles

T488 Specifications

Cover Bolt Quantity Dropout
Differential Carrier Break 3.90 and Higher
Differential Case Design Type Toyota 8
Pinion Gear Tooth Quantity 8
Pinion Shaft Diameter 1.378 (Inch)
Pinion Spline Count 27
Ring & Pinion Gear Ratio 4.88
Ring Gear Bolt Quantity 10
Ring Gear Diameter 7.8 (Inch)
Ring Gear Material 8620 Steel
Ring Gear Rotation Standard
Ring Gear Tooth Quantity 39
Taxonomy A Differential LD
Taxonomy B Ring and Pinion
Taxonomy C Toyota 8.0 4-cylinder
Taxonomy D Both
Where to buy

Vehicle Applications

  • 1979 – 1995 Toyota Pickup
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