Brand: Allstar Performance Manufacturer's Part Number: ALL56250 Part Type: Ball Joint Replacement Components Product Line: Allstar Performance Ball Joint Sleeves Automotive Fittings Part Number: AAF-ALL56250 UPC: 848238030334 Ball Joint Component Type: Mounting sleeve Quantity: Sold individually. Notes: Small upper ball joint screw-in sleeve. Description: Allstar Performance ball joint sleeves allow for the custom fabrication of lower and upper control arms. These sleeves are made with high tensile strength steel and come in various applications to offer a precision fit.