GM 8.5" Nitro Master Install Kit, Aftermarket LSD

Price $140.00
In-stock. Qty: 3 available. Item ships in 1-2 business days.
accept payment


GM 8.5" Use with aftermarket limited-slip Nitro Front or Rear Master Install Kit

Recommended: 3 quarts of Nitro Synthetic Plus Gear Lube

Tech Note:

This kit includes bearings which fit onto any aftermarket traction device such as Eaton Posi, Auburn Pro Posi, Auburn Ected, Detroit Locker, Detroit Truetrac, ARB Air Locker, Eaton E-Locker, Nitro Gear Positraction. The inside diameter of side bearings is larger than the OEM bearings.

Does not include inner axle seals for front Fits.

Kit Contents:

Pinion Bearing & Race x2

Carrier Bearing & Race x2

Pinion Nut x1

Pinion Seal x1

Pinion Shims

Carrier Shims

Crush Sleeve x1

Ring Gear Bolt x10

Gasket x1

Marking Compound x1

Brush x1

Loctite x1

The kits assembled by Nitro Gear & Axle only use the highest quality bearings available from Timken & Koyo. Nitro Gear & Axle does not use any cheap Chinese bearings. By using only Timken & Koyo bearings just like all of the OEM vehicle manufacturers you can be assured that your differential will be reliable, durable, & quiet for years to come.

Nitro Gear & Axle strives to provide the highest quality differential components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and Fits. At Nitro we know differentials, and know what it takes to provide you with high-quality components.


Differential: GM 8.5"

Ring Gear Bolts: 10 (included)

Manufacturer: Nitro Gear & Axle


1970-1981 Chevy Camaro

1970-1981 Pontiac Firebird & Trans Am

1971-1996 Chevy Caprice

1971-1985 Chevy Impala

1994-1996 Chevy Impala SS

1970-1979 Chevy Nova

1970-1977 Chevy Monte Carlo

1973-1977 Chevy El Camino

1973-1977 Chevy Chevelle

1973-1977 Buick Regal

1975-1979 Buick Skylark

1973-1975 Buick Apollo

1975-1979 Olds Omega

1971-1977 Pontiac Ventura

1982-1987 Buick Grand National GN

1982-1987 Buick Regal T-Type

1987 Buick GNX

1984-1984 Oldsmobile Hurst Olds

1978-1996 Chevy G10 G20 Van

1978-1996 GMC G10 G20 Vandura

1981-1994 Chevy K5 Blazer

1995-1999 Chevy Tahoe

1981-1991 GMC K5 Jimmy

1992-1999 GMC Yukon

1998-2000 GMC Yukon Denali

1981-1999 Chevy GMC Suburban 1/2 Ton

1981-1987 Chevy GMC C10 K10 Pickup

1988-1998 Chevy GMC C1500 K1500 Pickup


*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion - Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to:


Box Weight: 5.6 lb

Box Dimensions: 1 x 1 x 1 in

Shopper Approved Review

Related Products
  • Toyota 10.5" 36 Spline Rear E-Locker by Eaton
    SKU :
    Price $1,809.99
    * Free Shipping
  • Chrysler 8.25" Left Rear Axle Shaft for Dodge Dakota 2005-2011
    SKU :
    Price $335.56
    * Free Shipping
  • Nitro Ring & Pinion 8.875" 12 Bolt 12P 4.56 Ratio Thick
    In stock
    SKU :
    Price $366.67
    * Free Shipping
  • Nitro Gear & Axle 8" 30 Spline Full Spool
    In stock
    SKU :
    Price $194.44
    * Free Shipping
  • Nitro Gear & Axle Strap Yoke 1480 37 Spline for Dana 80
    In stock
    SKU :
    Price $178.89
    * Free Shipping
  • Nitro Gear & Axle Ford 8" & 9" Trac Lock 4 tab Clutch Kit
    In stock
    SKU :
    Price $111.10
  • Need Help?

    Contact Us

    To Top