Yukon Gear Chrome Moly Superjoint Kit / Replacement For Dana 30 / Dana 44 & GM 8.5in

Yukon Super Joints offer an upgrade in strength and durability over factory u-joints and excel in off-road applications. Designed for Dana 60, Dana 44, Dana 30, and GM 8.5” differentials, Yukon Super Joints feature a 4340 chromoly cross and include an installation manual, sticker, grease gun, high-quality anti-seize grease, small parts, joint or joints, and caps.

The caps are made from 4140 steel to isolate the wear to the caps not the cross because it’s a lot more convenient and less expensive to replace the caps. The end of each trunnion is home to a reservoir for the grease. You’ll notice the trunnion is larger in circumference compared to conventional u-joints. This is because the Super Joint eliminates the needle bearings. These joints were never designed for daily drivers so we do not recommend installing them in a vehicle that does not have locking hubs.

Additional Information

Yukon Super Joints offer an upgrade in strength over factory u-joints and excel in extreme off-road applications. They feature a 4340 chromoly cross and kits include an install manual; grease gun; anti-seize grease; small parts; and caps.

Part Type

Universal Joint

Product Overview

Yukon Super Joints offer an upgrade in strength and durability over factory u-joints and excel in off-road applications. Designed for Dana 60, Dana 44, Dana 30, and GM 8.5” differentials, Yukon Super Joints feature a 4340 chromoly cross and include an installation manual, sticker, grease gun, high-quality anti-seize grease, small parts, joint or joints, and caps.

The caps are made from 4140 steel to isolate the wear to the caps not the cross because it's a lot more convenient and less expensive to replace the caps. The end of each trunnion is home to a reservoir for the grease. You'll notice the trunnion is larger in circumference compared to conventional u-joints. This is because the Super Joint eliminates the needle bearings. These joints were never designed for daily drivers so we do not recommend installing them in a vehicle that does not have locking hubs.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 4340 Chromoly Cross
• Design eliminates needle bearings resulting in larger trunnion for added strength
• Eliminated Needle Bearings Results In Larger Trunnion For Added Strength
• Features stout 4340 chromoly cross
• Fits Dana 30, Dana 44, and GM 8.5" front differentials
• Fits Dana Spicer 30 And 44 And GM 8.5 in. Front
• Not recommended for daily driven use
• Two complete joints, eight full circle snap rings, grease and grease gun
• Two Complete Joints; Eight Full Circle Snap Rings; Grease And Grease Gun
• Uses ultra high grade anti-seize for lubrication

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information