Yukon YDGGM7.5-3-28-SM Dura Grip Posi LSD for GM 7.5/7.625 28-Spline 3.23-Up Cam

Regular price: $390.95
Regular price
Sale price: $390.95

Shipping calculated at checkout.

In Stock: 4

Orders by 1pm PST ship same business day

Free Shipping w/3-4 Day Delivery

Authorized Dealer

Fitment Guarantee

30-Day Hassle Free Returns

Product Specification:

SKU:YUKYDGGM7.5-3-28-SM

MPN: YDGGM7.5-3-28-SM

UPC: 883584260189

Weight: 16.6 lb

Inventory: 4

Type: Differentials

Vehicle Fitment

1982-2002 Chevrolet Camaro (RWD, All Engines - 28-spline axle models)
1982-2002 Pontiac Firebird / Trans Am (RWD, All Engines - 28-spline axle models)
1982-2004 Chevrolet S10 / S10 Blazer (2WD/4WD, All Engines)
1982-1990 GMC S15 / S15 Jimmy (2WD/4WD, All Engines)
1991-2004 GMC Sonoma (2WD/4WD, All Engines)
1992-2005 GMC Jimmy (2WD/4WD, All Engines)
1985-2005 Chevrolet Astro Van (2WD/AWD, All Engines)
1985-2005 GMC Safari Van (2WD/AWD, All Engines)
1995-2005 Chevrolet Blazer (2WD/4WD, All Engines)
1982-1996 Chevrolet Caprice (RWD, All Engines)
1988-1996 Chevrolet Impala SS (RWD, All Engines)
1991-1994 Oldsmobile Bravada (AWD, All Engines)
1996-1999 Oldsmobile Bravada (AWD, All Engines)
2003-2004 Oldsmobile Bravada (AWD, All Engines)

Fitment Notes

Fits GM 7.5" and 7.625" 10-bolt rear differential with 28-spline axles and 3.23 and numerically higher gear ratios (Series 3 carrier) only
Does not fit 2-Series carriers (2.73 and numerically lower ratios) - verify your existing gear ratio before ordering
Does not fit 26-spline axle applications - a separate unit (YDGGM7.5-3-26-SM) is required for 26-spline axles
Does not fit GM 8.5" or 8.6" 10-bolt differentials - those require a different carrier entirely
Synthetic gear oil is not recommended - use high-grade non-synthetic GL-5 gear oil with Yukon LSD additive (part OILADD) for proper clutch break-in and long-term smooth operation

Features

Yukon Dura Grip clutch-style limited slip differential providing smooth yet aggressive traction across a wide range of terrains and driving conditions
High-strength nodular iron case for superior rigidity and durability compared to standard open carriers
Forged 4320 chromoly spider gears machined for maximum tooth strength - significantly stronger than cast alternatives
Raybestos composite clutch pack design delivers consistent, long-lasting lockup with smooth engagement - not overly aggressive for street use
4-spring preload design for reliable and consistent clutch engagement under varying load conditions
Fully rebuildable design - clutch packs and internals can be replaced without purchasing a new unit, extending service life
Assembled in the USA for quality control and consistency
Direct drop-in replacement for GM 7.5"/7.625" 10-bolt 28-spline Series 3 carrier applications

Specifications

Differential Application: GM 7.5" / 7.625" 10-Bolt Rear
Differential Type: Clutch-Type Limited Slip (Positraction)
Axle Spline Count: 28
Carrier Series: Series 3 (fits 3.23 and numerically higher gear ratios)
Case Material: Nodular Iron
Spider Gear Material: Forged 4320 Chromoly Steel
Clutch Type: Raybestos Composite
Spring Design: 4-Spring Preload
Cover Bolts: 10
Axle Retention: C-Clip Style
Assembly Location: USA
Position: Rear Differential

Included Components

1x Dura Grip Limited Slip Differential Carrier (fully assembled)

Product Description

The Yukon YDGGM7.5-3-28-SM Dura Grip is a high-performance clutch-type limited slip differential built for the GM 7.5" and 7.625" 10-bolt rear axle with 28-spline axles and 3.23-and-up gear ratios. Designed as a direct replacement for the open carrier in F-body Camaros and Firebirds, S10/S15 trucks, Blazers, Astros, Caprices, and a wide range of other GM rear-wheel and all-wheel drive platforms, the Dura Grip delivers meaningful traction improvement over an open differential without the harshness of a full locker. Whether the build is a street performance car, a light off-road truck, or a daily driver looking for better wet-weather traction, this unit provides the right balance of lockup and drivability.

At the core of the Dura Grip are forged 4320 chromoly spider gears and a Raybestos composite clutch pack housed in a high-strength nodular iron case. The 4-spring preload design ensures consistent clutch engagement across a wide range of driving inputs, while the composite clutches provide smooth, progressive lockup rather than the sudden bite of cheaper clutch-style units. Unlike disposable limited slip differentials, the Dura Grip is fully rebuildable - clutch packs can be replaced when worn, making this a long-term investment rather than a consumable.

Before installing, confirm your GM 7.5"/7.625" axle uses 28-spline axle shafts and a Series 3 carrier (3.23 and numerically higher ratios). Synthetic gear oil is not recommended - use a high-grade non-synthetic GL-5 gear oil combined with Yukon LSD additive (part OILADD) to ensure proper clutch seating and smooth long-term operation. Carrier bearings are sold separately and should be replaced during installation for best results.