QA1 Ultimate Adjustable Upper Ball Joint - 4-Bolt For GM Large (K5208) - 1970-1981 Pontiac Firebird D350 Muller MSC 1-Way Coilovers for

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Part Number KDT907 Part Name Subframe Mount Bushing Vehicle 2011-2014 Subaru WRX STI Limited Chassis Code GR/GV Installation Difficulty Difficult Installation Time (hrs) 4 Kit Contents 8 Bushings

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QA1 Ultimate Adjustable Upper Ball Joint - 4-Bolt For GM Large (K5208) - 1970-1981 Pontiac Firebird D350 Muller MSC 1-Way Coilovers forQA1's 4 Bolt Style Ultimate Ball Joint for the 1970 1981 Pontiac Firebird is ideal for a variety of racing applications. Exclusive to QA1, this patented, self lubricating design is 100% owner rebuildable. Multiple stud lengths are also available, allowing for easy geometry changes. Infinite preload adjustment allows breakaway torque to be set as low as 0 ft. lbs. for a completely smooth, bind free operation. Precision tolerance ball to race conformity