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Yukon Gear & Axle Yukon Positraction Internals for GM 12 Bolt, 33 Spline, Car and Truck
$299.89
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If you're diving into a rebuild or just need to replace some worn-out gears, the Yukon Gear & Axle spider gear kit is a solid choice. I've had my fair share of experiences with different gear sets, and I can tell you that this one stands out for a few reasons. First off, the quality of materials they use is top-notch. You can feel the difference right out of the box; these gears are built to last.

This kit is designed specifically for GM 12T and 12P differentials that come with Dura Grip positraction, which is a nice touch for those of us who enjoy a bit of off-road action or just want to ensure smooth performance on the street. It accommodates 33 spline axles, which means you’re getting a robust setup that can handle some serious torque without breaking a sweat.

What’s in the box? You’ll find everything you need to get your spider gear set replaced properly. It includes two side gears, two pinion gears, a cross pin shaft, roll pin, and even the spider gear thrust washers. Just a heads up, it doesn’t come with clutches, so if you’re replacing those too, you’ll need to grab them separately.

As for fitment, this kit is compatible with a wide range of classic rides. We’re talking about beauties like the '64-70 Buick Wildcat, '64-72 Chevrolet Bel Air, and even the '69-72 Pontiac Firebird. It's a list that spans decades of American muscle, so you can see why this kit is a favorite among restorers and enthusiasts alike.

In terms of specifications, you’re looking at a regular grade type, which means it’s reliable for everyday use without any frills. If you're serious about keeping your classic ride running smoothly, this spider gear kit from Yukon is definitely worth considering.

Proposition 65

WARNING: Cancer and Reproductive Harm
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Vehicle
1964-1970
Buick Wildcat
1964-1972
Chevrolet Bel Air
1964-1972
Chevrolet Biscayne
1969-1974, 1987
Chevrolet Blazer
1963-1986
Chevrolet C/K 10
1967-1972
Chevrolet Camaro
1966-1970
Chevrolet Caprice
1964-1973
Chevrolet Chevelle
1964-1968
Chevrolet Chevy II
1965-1972
Chevrolet El Camino
1975-1981
Chevrolet G10
1970-1974
Chevrolet G10 Van
1964-1972
Chevrolet Impala
1975-1986
Chevrolet K5 Blazer
1970-1972
Chevrolet Monte Carlo
1969-1972
Chevrolet Nova
1987
Chevrolet R/V 10
1963-1987
Chevrolet Suburban
1966-1978
GMC C/K 15
1979-1986
GMC C/K 1500
1983-1987
GMC G1500
1987
GMC R1500
1987
GMC V1500
1969-1972
Pontiac Firebird
1970-1972
Pontiac GTO
Yukon's mission is to build quality parts that exceed your expectations. We achieve this through state-of-the-art product design and an in-house engineering team. Our parts are then produced by leaders in OEM manufacturing and endure rigorous testing.
Yukon Gear & Axle ("Yukon") warrants the original retail purchaser that all Yukon products will be free from defects in materials and workmanship for the periods shown herein. Yukon makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the Yukon product has been installed and maintained in accordance with Yukon instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At Yukon's discretion, this warranty may be voided if installation of Yukon product(s) occurs on vehicles with tires that exceed Yukon Maximum Recommended Tire Size.

Upon notification of a warranty claim, Yukon shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product, replace it, or refund the purchase price.

This warranty does not cover, and Yukon shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the Yukon product)*. In addition, this warranty does not cover, and Yukon shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling Yukon Gear & Axle products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-Yukon component.

This agreement offers you specific legal rights. You may also have other rights which vary from state to state.

YUKON WARRANTY BY PRODUCT

Spool
  • Length:As long as original purchaser owns vehicle in which Spool is originally installed
  • Notes:It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear.
Super Joint
  • Length:As long as original purchaser owns vehicle in which Super Joint is originally installed
  • Notes:Warranty coverage is for breakage of cross section or caps only. Failure by wear or galling is not covered.
YP - Series Products (other than Spool and Super Joint)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturers defects.
Front Axle (1541H)
  • Length:Ten (10) Years
  • Notes:Covers parts for ten years against manufacturing defects.
Rear Axle (1541H)
  • Length:Ten (10) Years
  • Notes:Covers parts for ten years against manufacturing defects.
Rear Axle 4340 (YA W)
  • Length:Limited Lifetime
  • Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
Front Axle (Series YA W)
  • Length:Limited Lifetime
  • Notes:Limited Lifetime warranty covering manufacturing defects and axle breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace axle or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
Ring & Pinion Gear Set
  • Length:One (1) Year
  • Notes:Warrantied against manufacturing defects for one (1) year.
Positraction Differential
  • Length:One (1) Year
  • Notes:Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter.
Zip Locker (YZL)
  • Length:Six (6) Years
  • Notes:All Zip Lockers come with a six (6) year warranty against manufacturer defect, including any collaterally damaged parts and associated labor, up to $2,000*, for the first two (2) years. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.
Grizzly Locker (YGL)
  • Length:One (1) Year
  • Notes:Covers the replacement of the unit and any collaterally damaged parts and associated labor, up to $2,000. Collaterally damaged parts must be submitted for inspection. Receipts for parts and associated labor must be submitted as well. Only claims deemed reasonable by Yukon Gear & Axle will be accepted. Offer may be discontinued without advance notice.
Yokes
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Carriers (YC)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Tools (YT)
  • Length:One (1) Year
  • Notes:Covers parts for one year against manufacturing defects.
Install Kits
  • Length:One (1) Year
  • Notes:Includes BK, MK, PK, and YK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (YPK)
  • Length:One (1) Year
  • Notes:One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials.
YHC Drive Flanges
  • Length:Limited Lifetime
  • Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations.
Yukon Hardcore Locking Hubs
  • Length:Limited Lifetime
  • Notes:Limited Lifetime warranty covering manufacturing defects and breakage for as long as you own the vehicle. This warranty is not transferable to another party. "No Questions Asked" replacement for first warranty return, however, Yukon reserves the right to either replace the part or refund original purchase price after the first warranty claim. Yukon (through RANDYS Worldwide Automotive) makes final determination on warranty considerations
Driveshafts
  • Length:One (1) Year
  • Notes:Warrantied against manufacturing defects for one (1) year. Longer warranty is available through purchase of a Y.E.S. plan.

Installation Instructions

Click to view the Installation Instructions here

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