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

Yukon Super Joints offer an upgrade in strength over factory u-joints and excel in extreme 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 caps 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 and therefor considerably stronger than to conventional u-joints. This is because the Super Joint design eliminates the needle bearings. The trade-off is these joints require frequent maintenance as sealed needle bearings contain their grease for a lifetime and Super Joints require regreasing, so we do not recommend installing them in daily driven vehicles.

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; larger; stronger trunnion; and 4140 steel caps.

Part Type

Universal Joint

Product Overview

Yukon Super Joints offer an upgrade in strength over factory u-joints and excel in extreme 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 caps 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 and therefor considerably stronger than to conventional u-joints. This is because the Super Joint design eliminates the needle bearings. The trade-off is these joints require frequent maintenance as sealed needle bearings contain their grease for a lifetime and Super Joints require regreasing, so we do not recommend installing them in daily driven vehicles.

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
• Includes two complete 297X Super Joints and eight full circle snap rings
• Not recommended for daily driven use
• Two Complete Joints And Eight Full Circle Snap Rings
• Uses Ultra High Grade Anti-Seize For Lubrication
• 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