Toyota, 29 Spline, Nitro Fit Kit

Price $88.00
In-stock. Qty: 10+ available. Item ships in 1-2 business days.
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Nitro Gear and Axle strives to provide the highest quality differential and axle 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 applications. At Nitro we know differentials, and know what it takes to provide you with high quality components.

  • Nitro Fit Kit
  • Differential: Toyota 8 Inch|8 Inch Reverse|8 Inch Clamshell|9.5 Inch
  • Pinion Spline: 29
  • Pattern: 66MM x 66MM|60MM x 60MM (Dual Drilled)
  • Material: Steel
  • Manufacturer: Nitro Gear and Axle
  • Warranty: 1 Year
  • Sold As Each


  • Pinion Flange x1
  • Pinion Nut x1
  • Pinion Seal x1

Tech Note:

  • Replaces Toyota OE Part number 41204-35100 and 41204-35110.
  • Required to fit Nitro 29 Spline 8 inch or 9.5 inch Ring and Pinions to 2002 and older vehicles.
  • In 2002, Toyota started using 29 Spline pinion and flange on the 8 inch and 9.5 inch differentials.
  • Following the Toyota lead for an upgrade, Nitro Gear and Axle has been upgrading much of their line of Ring and Pinions for Toyota to 29 Spline.
  • This means, if you are fitting the newer 29 Spline Ring and pinion to a 2002 or Older diff, you will need this flange.


  • 2003 and Newer OEM 8 inch Gears
  • 1984 and Newer with Nitro 8 inch or 9.5 Inch Diffs w/29 Spline OEM Ring and Pinions


Differential: Toyota 8" Rear, 8" Reverse 8" Clamshell, Land Cruiser 9.5"

Pinion Splines: 29

Pattern: 66x66 & 60x60 mm (Double-Drilled)

Manufacturer: Nitro Gear & Axle


2003 & Newer OEM 8" Gears

1984 & Newer with Nitro 8", 29 Spline Gears


*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: 2.2 lb

Box Dimensions: 1 x 1 x 1 in

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