Both of the red boots seem very loose. is this normal? I don't want to install it if they won't hold grease.

Make sure all the way against surface and fill w grease they will tighten up, them grease again after few miles

Anyone else have issues where these won't fill with grease? Just spills out the top and not enter zerk

No, not at all. That may be an installation issue. If you used the wrong tool you could smash the top n make it in greasable

Grease fitting thread size?

All I know it is a standard zerk fitting that came with my kit.

Rough Country Heavy Duty Replacement Ball Joints For Jeep Tj

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥47120

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛻 Upgrade your Jeep’s heartbeat with Rough Country’s heavy-duty ball joints—because every adventure deserves precision and power!

LIFETIME CONFIDENCE - Backed by Rough Country’s Limited Lifetime Replacement Warranty—drive worry-free
UNMATCHED DURABILITY - Chromoly ball stud resists wear and tear under extreme conditions
STAY CLEAN STAY SMOOTH - Polyurethane dust boot seals out dirt and debris for extended joint life
BUILT TO CONQUER EVERY TRAIL - Heavy-duty design engineered for lifted Jeeps and oversized tires
PRECISION FIT ZERO DRILLING - Direct factory replacement for Dana 30 & Dana 44 axles—no modifications needed

Rough Country Heavy Duty Replacement Ball Joints (model 10642) are a set of 4 (2 upper, 2 lower) designed specifically for Jeep TJ/XJ/YJ/ZJ models with Dana 30 & Dana 44 axles. Featuring a robust chromoly ball stud and a protective polyurethane dust boot, these ball joints provide enhanced durability and performance, especially for lifted Jeeps with oversized tires. They install as direct factory replacements without drilling and come with a Limited Lifetime Replacement Warranty, ensuring long-lasting reliability and smooth steering after a brief break-in period.

Specifications

ASIN	B0B4KJLBMQ
Best Sellers Rank	#56,334 in Automotive ( See Top 100 in Automotive ) #29 in Automotive Replacement Suspension Ball Joints
Brand	Rough Country
Construction	Drilling Required: No
Customer Reviews	4.3 4.3 out of 5 stars (312)
Date First Available	13 October 2022
Exterior	Painted
Item Weight	2.47 Kilograms
Item model number	10642
Manufacturer	Rough Country
Manufacturer Part Number	10642
Model	Rough Country Heavy Duty Replacement Ball Joints for Jeep TJ/XJ/YJ/WJ - 10642
Position	Front
Product Dimensions	33.02 x 10.8 x 6.35 cm; 2.47 kg
Special Features	There is a break-in period for metal on metal ball joints, typically during the first 100-500 miles the steering may be hesitant to return to center and have a heavier feel. After break-in, the steering will feel tight and smooth.

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