Skip to product information
  • Photo - Primary
  • Photo - Primary
  • Photo - Primary
  • Photo - Unmounted
  • Photo - Primary
  • Photo - Primary
  • Photo - Primary
  • Photo - Unmounted

Eaton 1988-2002 Chevrolet C4-C5 Corvette Posi Differential 28 Spline 1.20in Axle Shaft Diameter 3.23 & Up Ratio Rear 7.5in/7.625in/8.5in/8.6in/9.5in

$964.99
$964.99
Shipping calculated at checkout.
The Eaton Posi limited-slip differential is the perfect way to control traction in street rods, light duty pickups and all types of tarmac running race cars. Featuring pyrolytic carbon clutches, rebuildable design, net-forged gears for added strength and seamless, automatic operation.

This Part Fits:

Year Make Model Submodel
1988-2002 Buick Century Custom
1988-1989 Buick Century Estate Wagon
1988-1993,1996-2002 Buick Century Limited
1991-1996 Buick Century Special
1991-1996 Buick Commercial Chassis Base
1988-1989 Buick Electra Estate Wagon
1988-1990 Buick Electra Limited
1988-1990 Buick Electra Park Avenue
1989-1990 Buick Electra Park Avenue Ultra
1988-1990 Buick Electra T-Type
1988-1991 Buick LeSabre Base
1988-2002 Buick LeSabre Custom
1988-1990 Buick LeSabre Estate Wagon
1988-2002 Buick LeSabre Limited
1991-2002 Buick Park Avenue Base
1991-2002 Buick Park Avenue Ultra
1988-1991 Buick Reatta Base
1998 Buick Regal 25th Anniversary Edition
1988-1996 Buick Regal Custom
1989-1996 Buick Regal Gran Sport
1997-2002 Buick Regal GS
2000 Buick Regal GSE
1988-1996 Buick Regal Limited
1997-2002 Buick Regal LS
2000 Buick Regal LSE
1996 Buick Regal Olympic Gold Edition
1995-1999 Buick Riviera Base
1988-1993 Buick Riviera Luxury
1988-1989 Buick Riviera T-Type
1992-1995 Buick Roadmaster Base
1996 Buick Roadmaster Collector's Edition
1991-1995 Buick Roadmaster Estate Wagon
1996 Buick Roadmaster Estate Wagon Collector's Edition
1992-1995 Buick Roadmaster Limited
1996 Buick Roadmaster Limited Collector's Edition
1988-1989 Buick Skyhawk Custom
1988-1989 Buick Skyhawk SE
1990-1991 Buick Skylark Base
1988-1998 Buick Skylark Custom
1990-1997 Buick Skylark Gran Sport
1988-1989,1993-1997 Buick Skylark Limited
1990-1991 Buick Skylark Luxury Edition
1996 Buick Skylark Olympic Gold Edition
1988-2005 Chevrolet Astro Base
1988-1995 Chevrolet Astro CL
1988-1995 Chevrolet Astro CS
1996-2005 Chevrolet Astro LS
1988-2005 Chevrolet Astro LT
1988-1996 Chevrolet Beretta Base
1989-1993 Chevrolet Beretta GT
1990-1993 Chevrolet Beretta GTZ
1990 Chevrolet Beretta Indianapolis 500 Pace Car
1994-1996 Chevrolet Beretta Z26
1988,1993-2002 Chevrolet Camaro Base
1993 Chevrolet Camaro Indianapolis 500 Pace Car
1988-1990 Chevrolet Camaro Iroc-Z
1989-1992,1996-1997 Chevrolet Camaro RS
1992 Chevrolet Camaro RS Heritage Edition
1991-2002 Chevrolet Camaro Z28
1992 Chevrolet Camaro Z28 Heritage Edition
1998-2002 Chevrolet Camaro Z28 SS
1988-1992 Chevrolet Caprice Base
1988-1996 Chevrolet Caprice Classic
1988-1990 Chevrolet Caprice Classic Brougham
1993-1994 Chevrolet Caprice Classic LS
1988-1990 Chevrolet Caprice Classic LS Brougham
1991-1993 Chevrolet Caprice Classic LTZ
1988-1990,1995-2002 Chevrolet Cavalier Base
1995-2002 Chevrolet Cavalier LS
2002 Chevrolet Cavalier LS Sport
1988-1994,1997-1999 Chevrolet Cavalier RS
1988-1994 Chevrolet Cavalier VL
1988-2002 Chevrolet Cavalier Z24
1988-1990 Chevrolet Celebrity Base
1989 Chevrolet Celebrity CL
1988-1990 Chevrolet Celebrity Eurosport
1988-1989,1994-1996 Chevrolet Corsica Base
1988,1990-1993 Chevrolet Corsica LT
1989-1990,1992 Chevrolet Corsica LTZ
1988 Chevrolet Corvette 35th Anniversary Edition
1993 Chevrolet Corvette 40th Anniversary Edition
1988-2002 Chevrolet Corvette Base
1996 Chevrolet Corvette Collector's Edition
1996 Chevrolet Corvette Grand Sport
1995,1998 Chevrolet Corvette Indianapolis 500 Pace Car
2001-2002 Chevrolet Corvette Z06
1990-1995 Chevrolet Corvette ZR-1
2000-2002 Chevrolet Impala Base
2000-2002 Chevrolet Impala LS
1994-1996 Chevrolet Impala SS
1990-2001 Chevrolet Lumina Base
1990-1994 Chevrolet Lumina Euro
1995-1999 Chevrolet Lumina LS
1997-1999 Chevrolet Lumina LTZ
1991-1994 Chevrolet Lumina Z34
1997-2002 Chevrolet Malibu Base
1997-2002 Chevrolet Malibu LS
1998-2000 Chevrolet Metro Base
1998-2001 Chevrolet Metro LSi
1988 Chevrolet Monte Carlo Base
1999 Chevrolet Monte Carlo Indianapolis 500 Pace Car
1988,1995-2002 Chevrolet Monte Carlo LS
1988,2000-2002 Chevrolet Monte Carlo SS
2002 Chevrolet Monte Carlo SS 35th Anniversary Edition
2002 Chevrolet Monte Carlo SS Dale Earnhardt Signature Edition
1995-1999 Chevrolet Monte Carlo Z34
1988 Chevrolet Nova Base
1988 Chevrolet Nova CL
1988 Chevrolet Nova Twin Cam
1998-2002 Chevrolet Prizm Base
1998-2002 Chevrolet Prizm LSi
1991 Chevrolet S10 Baja
1988-2003 Chevrolet S10 Base
1988-1990 Chevrolet S10 Durango
1992-1993 Chevrolet S10 EL
1994-2004 Chevrolet S10 LS
1988-1989 Chevrolet S10 Sport
1994-1998 Chevrolet S10 SS
1988-1992 Chevrolet S10 Tahoe
1999-2003 Chevrolet S10 Xtreme
1994-2003 Chevrolet S10 ZR2
2002-2004 Chevrolet S10 ZR5
1988-1994 Chevrolet S10 Blazer Base
1988-1989 Chevrolet S10 Blazer High Country
1994 Chevrolet S10 Blazer LT
1988-1990,1992 Chevrolet S10 Blazer Sport
1988,1990-1994 Chevrolet S10 Blazer Tahoe
1991-1994 Chevrolet S10 Blazer Tahoe LT
1999-2002 Chevrolet Silverado 1500 Base
1999-2002 Chevrolet Silverado 1500 LS
1999-2002 Chevrolet Silverado 1500 LT
2002 Chevrolet Silverado 1500 WT
2001-2002 Chevrolet Silverado 1500 HD LS
2001-2002 Chevrolet Silverado 1500 HD LT
1988 Chevrolet Spectrum Base
1988 Chevrolet Spectrum CL
1988 Chevrolet Spectrum CL Plus
1988 Chevrolet Spectrum Express
1988 Chevrolet Spectrum Turbo
1988 Chevrolet Sprint Base
1988 Chevrolet Sprint ER
1988 Chevrolet Sprint Metro
1988 Chevrolet Sprint Turbo
1988-1990 GMC S15 Base
1988 GMC S15 Gypsy
1988-1990 GMC S15 High Sierra
1988-1990 GMC S15 Sierra Classic
1988-1991 GMC S15 Jimmy Base
1988-1990 GMC S15 Jimmy Gypsy
1988-1990 GMC S15 Jimmy Sierra Classic
1991 GMC S15 Jimmy SLE
1991 GMC S15 Jimmy SLS
1991 GMC S15 Jimmy SLT
1988-1989 GMC S15 Jimmy Timberline
1988-1997 GMC Safari Base
1993 GMC Safari GT
1995-1999 GMC Safari SL
1988-1999 GMC Safari SLE
1988-1999 GMC Safari SLT
1988-1990,1994-1998 GMC Safari SLX
2002 GMC Sierra 1500 Base
2002 GMC Sierra 1500 Denali
2002 GMC Sierra 1500 HT
1999-2002 GMC Sierra 1500 SL
1999-2002 GMC Sierra 1500 SLE
1999-2002 GMC Sierra 1500 SLT
2002 GMC Sierra 1500 WT
2001-2002 GMC Sierra 1500 HD SLE
2001-2002 GMC Sierra 1500 HD SLT
1991-1993 GMC Sonoma Base
1992 GMC Sonoma GT
1994-2004 GMC Sonoma SL
1991-2001 GMC Sonoma SLE
1993-2004 GMC Sonoma SLS
1991 GMC Syclone Base
1988-1992 Isuzu Pickup 1 Ton
1988-1992 Isuzu Pickup LS
1988-1995 Isuzu Pickup S
1989-1990 Isuzu Pickup XS
1991-2002 Isuzu Rodeo LS
1999-2002 Isuzu Rodeo LSE
1991-2002 Isuzu Rodeo S
2001-2002 Isuzu Rodeo S V6
1991-1992 Isuzu Rodeo XS
1999 Oldsmobile 88 50th Anniversary Edition
1992-1999 Oldsmobile 88 Royale
1992-1999 Oldsmobile 88 Royale LS
1995 Oldsmobile 88 Royale LSS
1988-1990,1992-1994 Oldsmobile 98 Regency
1988-1990 Oldsmobile 98 Regency Brougham
1991-1996 Oldsmobile 98 Regency Elite
1988-1990 Oldsmobile 98 Regency Touring
1991-1993 Oldsmobile 98 Touring
1992-1996,1998 Oldsmobile Achieva S
1992,1994,1996-1997 Oldsmobile Achieva SC
1992-1993 Oldsmobile Achieva SCX
1992-1997 Oldsmobile Achieva SL
1999-2002 Oldsmobile Alero GL
1999-2002 Oldsmobile Alero GLS
1999-2002 Oldsmobile Alero GX

Customer Care

Frequently Asked Questions

Q: Is my personal information kept private? Is it safe to use my credit card?

A: Yes, your personal information is kept private and it is safe to use your credit card.

Q: How much will shipping cost?

A: Unfortunately, the cost of shipping is a real expense. Our goal is to minimize your shipping costs. Shipping is calculated at checkout based on the items in your cart and will be displayed prior to you placing an order. Please note that oversized items may be subject to additional charges, which will be noted on the product page.

Q: How do I track my order?

A: Once your order ships, you will receive a tracking notification via email.  You are not required to purchase, download or use the Route app to track your order - this is an optional feature of the Route Package Protection service.  

Q: Can someone outside of the United States place an order?

A: Yes, we are happy to provide worldwide service for our customers. Your shipping charges will be calculated during the checkout process. Customs and duty fees are the responsibility of the buyer.

Blog posts

View the blog
  • Corvette Generations C1-C8 Explained: Every Generation, Every Engine

    Corvette Generations C1-C8 Explained: Every Generation, Every Engine

    Seventy-plus years, eight generations, one nameplate. A full walk through every Corvette generation — what Chevrolet changed at each break, which engines went in, which special models matter, and what each car is like to live with now. Includes the modern C8 range from the 670-hp Z06 through the 1,250-hp ZR1X, the all-new 6.7L LS6 that arrived for 2027, a field guide to telling the generations apart, and the six best-selling pieces for each one.

    Read more
  • "We Doubled Down": What GM's Own Engineers Say About the V8 — and What It Means for the C9

    "We Doubled Down": What GM's Own Engineers Say About the V8 — and What It Means for the C9

    GM engineers explain the 2027 Corvette's LS6, LT6 and LT7 V8s in Chevrolet's own newsroom — and why reports say the LS6 could carry into the C9. Click to read the full story!

    Read more
  • The 2027 Corvette Grand Sport X Configurator Is Live

    The 2027 Corvette Grand Sport X Configurator Is Live

    Chevrolet switched on the Build & Price configurator for the 2027 Corvette Grand Sport X on August 25, which makes the entire 2027 lineup configurable at last. The 1LT coupe starts at $112,195 with carbon-ceramic brakes, Magnetic Ride Control and 721 combined horsepower standard. Inside: what you can spec, the one $500 performance package, two options showing that the order guide says can't be ordered yet, every confirmed spec on the car, and a side-by-side of all six 2027 Corvettes.

    Read more