Track OrderOrder Status & ReturnsHelpGift CardsHelpHelp CenterPhone1-800-345-4545
Shop by Category

Most Popular

Restoration

Shop All Categories

Shop New ProductsShop ALL BrandsTech ArticlesDeals
MY ACCOUNT
Order Status & Returns
CONTACT USHELP CENTER
Logo
Cart0
$000
USA Standard ZG GM8.5-342 Ring & Pinion Gear Set, For GM 8.5 in., 3.42 Ratio
InfoVehicle Info Needed
YUKON GEARPART NUMBER: 807-ZG GM8.5-342

USA Standard ZG GM8.5-342 Ring & Pinion Gear Set, For GM 8.5 in., 3.42 Ratio

$27699
ShippingShips on Sep 03, 2026
Lowest PriceLowest Price Guarantee

GM 8.500 in./8.600 in.
USA Standard Ring & Pinion Gear Set
  • For GM 8.5 in.
  • 3.42 Ratio

    USA Standard ZG GM8.5-342 (ZG GM8.5-342) Features:

    • Fits GM 8.5 in. and 8.6 in.
    • 8.50 in. ring gear diameter
    • 30 spline pinion
    • 10 ring gear bolts
    • 3.42 ratio
      • USA Standard Gear offers a variety of ring and pinion gear sets for street, off road and track use that deliver superior quality and performance, even in the harshest of conditions. Made to meet or exceed OE specifications, USA Standard Gear uses the latest manufacturing technology for factory fit consistency that ensures the strongest, coolest and quietest gear available. These ring and pinion gear sets are heat treated to provide superior hardening for maximum strength, and include a smooth surface finish for durability.
    Part TypeRing and Pinion
    Product LineUSA Standard Gear Ring and Pinion Gear Sets
    BrandYUKON GEAR
    Package Height6.0
    Package Width12.0
    Package Length16.0
    Weight17.52 PG
    Vendor Part NumberZG GM8.5-342
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file

    Items You Need

    12-Ton Hydraulic Shop Press

    JEGS

    12-Ton Hydraulic Shop Press

    Part Number : 555-81515
    $17898
    W41065 Shop Press Accessory Kit

    JEGS

    W41065 Shop Press Accessory Kit

    Part Number : 555-W41065
    $11899$130.99
    You Save$12.00
    75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]

    JEGS

    75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]

    Part Number : 555-28050
    $1299$14.99
    You Save$2.00
    Limited Slip Additive [4oz Bottle]

    JEGS

    Limited Slip Additive [4oz Bottle]

    Part Number : 555-60120
    $959$10.49
    You Save$0.90
    Fluid Extraction and Fill Pump [200 cc]

    JEGS

    Fluid Extraction and Fill Pump [200 cc]

    Part Number : 555-W54173
    $2699$29.99
    You Save$3.00
    Penetrating Oil [11 oz. Aerosol Can]

    LUCAS OIL

    Penetrating Oil [11 oz. Aerosol Can]

    Part Number : 639-11043
    $854$9.49
    You Save$0.95
    Brake and Parts Cleaner [14 oz. Aerosol Can]

    JEGS

    Brake and Parts Cleaner [14 oz. Aerosol Can]

    Part Number : 555-72312
    $679$7.99
    You Save$1.20
    Fender Cover with Pocket [23 in. W x 31 1/2 in. L]

    JEGS

    Fender Cover with Pocket [23 in. W x 31 1/2 in. L]

    Part Number : 555-65010
    $1499$16.99
    You Save$2.00
    LED Drop Light with Built-In 120V Outlet

    JEGS

    LED Drop Light with Built-In 120V Outlet

    Part Number : 555-W2237
    $2899$31.99
    You Save$3.00
    60 LED Work Light

    JEGS

    60 LED Work Light

    Part Number : 555-81927
    $2569$31.99
    You Save$6.30
    2-Ton Low-Profile Aluminum Floor Jack [4,000 lbs. Capacity]

    JEGS

    2-Ton Low-Profile Aluminum Floor Jack [4,000 lbs. Capacity]

    Part Number : 555-80006
    $24499$269.99
    You Save$25.00
    6-Ton Jack Stands

    JEGS

    6-Ton Jack Stands

    Part Number : 555-80037
    $8099
    Wheel Chock [Solid Rubber]

    JEGS

    Wheel Chock [Solid Rubber]

    Part Number : 555-W41001
    $1299$14.99
    You Save$2.00
    Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]

    JEGS

    Heavy-Duty Steel Workbench [59.5 in. x 27.5 in. Bench Top]

    Part Number : 555-81440
    $32498
    Workbench Utility Mat [24 in. x 16 in.]

    JEGS

    Workbench Utility Mat [24 in. x 16 in.]

    Part Number : 555-80170
    $2569$31.99
    You Save$6.30

    ITEM YOU MAY ALSO CONSIDER

    GM85B1007 Ring & Pinion w/Installation Kit Bundle for 1988-2002 GM Trucks, SUVs 8.5 Posi Differential [3.42 Ratio]

    LIBERTY AUTOMOTIVE

    GM85B1007 Ring & Pinion w/Installation Kit Bundle for 1988-2002 GM Trucks, SUVs 8.5 Posi Differential [3.42 Ratio]

    Part Number : 748-GM85B1007
    $26619
    GM85B1005 Ring & Pinion w/Installation Kit Bundle for 2009-2017 GM Trucks, SUVs 8.6 Differentials [3.42 Ratio]

    LIBERTY AUTOMOTIVE

    GM85B1005 Ring & Pinion w/Installation Kit Bundle for 2009-2017 GM Trucks, SUVs 8.6 Differentials [3.42 Ratio]

    Part Number : 748-GM85B1005
    $23709
    GM85B1008 Ring & Pinion w/Installation Kit Bundle for 1999-2008 GM Trucks, SUVs 8.6 Differentials [3.42 Ratio]

    LIBERTY AUTOMOTIVE

    GM85B1008 Ring & Pinion w/Installation Kit Bundle for 1999-2008 GM Trucks, SUVs 8.6 Differentials [3.42 Ratio]

    Part Number : 748-GM85B1008
    $21529
    GM85B1006 Ring & Pinion w/Installation Kit Bundle for 1988-2002 GM Trucks, SUVs 8.5 Differentials [3.42 Ratio]

    LIBERTY AUTOMOTIVE

    GM85B1006 Ring & Pinion w/Installation Kit Bundle for 1988-2002 GM Trucks, SUVs 8.5 Differentials [3.42 Ratio]

    Part Number : 748-GM85B1006
    $18929
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!