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GM 10-Bolt Ring & Pinion with Install Kit 8.5" Diameter Ring Gear (Corporate/New Style)
InfoVehicle Info Needed
JEGSPART NUMBER: 555-60031K

GM 10-Bolt Ring & Pinion with Install Kit 8.5" Diameter Ring Gear (Corporate/New Style)

$33455
1 left in stock
ShippingShips on Nov 09, 2026
Lowest PriceLowest Price Guarantee

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GM 10-Bolt 8.5" (Corporate)
GM 10-Bolt Ring & Pinion with Install Kit
  • 8.5" Diameter Ring Gear (Corporate/New Style)
  • 3.73 Ratio
  • 41-11 Teeth
  • 30 Spline Pinion

    • When replacing a stock 2.56 and numerically lower ratio, the carrier must be replaced with a carrier of 2.73 or higher
    • Does not work with pinion-mounted ABS sensor
    • 1.626" Pinion Diameter
    • 30 Spline Pinion
    • 10-Bolt Cover

      Fits: (with new-style 10-bolt housing)
    • 1970-76 Bel-Air/Caprice/Impala/Chevelle/Olds F-85
    • 1973-76 El Camino
    • 1970-75 Nova
    • 1970-81 Camaro/Firebird/GTO
    • 1972-81 Z-28/Trans-Am
    • 1977-87 K10/K20 (front)
    • 1977-91 Blazer (front)
    • 1980-02 C10/K10/Blazer/C1500/K1500 (rear)
    • 1980-96 Suburban (rear)
    • 1977-91 Suburban (front)
    • 1979-96 G10/G20 Van

      Includes:
    • Pinion and carrier bearings & shims
    • Pinion nut & seal
    • Crush sleeve
    • Cover gasket or RTV
    • Ring gear bolts
    • 75W-90 synthetic differential lube (2 quarts)
    • Limited slip additive (4 ounces)
    • Thread locker sealant
    • Marking compound
    • Application Brush
    • Installation instructions

      • With high-quality grade steel to provide durability for street, highway, and occasional race use, JEGS Gear Sets are made utilizing modern machining and heat treating for added strength and miles of trouble-free service.

      Show More

      Also Available: JEGS Ring & Pinion Setup Tool Kit

      By having the option to buy a JEGS installation kit with the JEGS gear sets, it has never been easier to install a ring and pinion.

    Part TypeRing and Pinion Installation Kit
    Product LineJEGS GM Ring & Pinion Sets and Kits
    BrandJEGS
    Part CategoryReplacement Parts
    Package Qty1
    Package TypeEA
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning