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Posi Traction Differential for GM Truck 12-Bolt 8.875 in. Rear, 30-Spline [2.76-3.42 Ratio]
InfoVehicle Info Needed
JEGSPART NUMBER: 555-62832

Posi Traction Differential for GM Truck 12-Bolt 8.875 in. Rear, 30-Spline [2.76-3.42 Ratio]

$40099$441.99You Save$41.00
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GM Truck 12-Bolt 8.875"
Posi Traction Differential
  • Fits 1961-1987 Chevrolet/GMC 1/2 & 3/4 Ton Trucks
  • GM Truck 12-Bolt Rear
  • 8.875 in. Diameter Ring Gear
  • 30-Spline
  • 2.76-3.42 Ratios
  • Clutch Style Limited-Slip Design
  • Fully Rebuildable

    JEGS 555-62832 Posi Traction Differential

    JEGS 555-62832 Posi Traction differential for use in 1961-1987 Chevrolet/GMC 1/2 & 3/4 Ton Trucks with GM 12-bolt rear differential provides smooth limited-slip operation and aggressive traction on a wide variety of terrains. This Posi unit is manufactured using a high-strength nodular case, forged 4320 chromoly spider gears, and Raybestos composite clutches for strength, durability, and long life. Whether you're pulling a trailer, hauling a load, or enjoying a ride on the street you will experience incomparable positraction performance.

    Technical Note: JEGS recommends the use of high-grade Non-Synthetic GL-5 Gear Oil and LSD (Limited-Slip Differential) additive 555-60120 for smooth operation and long life. The use of Synthetic oil is not recommended and may result in noisy or aggressive operation.

    FAQ

    Is a 12 bolt rear end what I need for my application?

    • The JEGS 555-62832, designed for GM trucks, provides a 12-bolt rear end solution suitable for various applications, ensuring enhanced performance.

    How do I know if my rear end is posi?

    • The JEGS 555-62832 GM Truck Posi Traction Differential features posi-trac, delivering improved traction and stability; check for enhanced wheel grip during acceleration.

    What is the difference between a GM 10 bolt and a 12 bolt?

    • The JEGS 555-62832's 12-bolt design offers increased strength and durability compared to a GM 10 bolt, making it an ideal choice for demanding applications.
  • Part TypeDifferential Carrier
    BrandJEGS
    Package Height10.3
    Package Width10.5
    Package Length10.9
    Weight22.95 PG
    Part CategoryPerformance Parts
    Aftermarket Carrier StyleLimited slip
    Differential Case Design TypeGM 8.875 (Truck)
    Quantity1
    Cover Bolts12
    Differential Carrier Break2.76 to 3.42
    Carrier MaterialNodular iron
    Bearings IncludedNo
    Part FitmentSemi Universal
    Axle Shaft Spline Quantity30
    Vendor Part NumberPVTJEGPOSGM12T330
    Package Qty1
    Package TypeEA
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