Allstar Performance Trailing Arm Bushing Insert — 50 Durometer Soft | ALL99400

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The Allstar Performance ALL99400 is a soft polyurethane bushing insert designed to fit the ALL56248 GM trailing arm bushing. Rated at 50 durometer, the insert is molded in green po lyurethane and sold each. Swapping inserts in the ALL56248 bushing housing changes the durometer without replacing the outer bushing, letting racers dial in more or less deflection for the trailing arm.Allstar Performance Spec Sheet (PDF)CompatibilityFits Allstar Performance ALL56248 GM trailing arm bushing housings.FAQWhat durometer is the ALL99400 bushing insert?The ALL99400 is rated at 50 durometer, the softest of the three insert options Allstar Performance offers for the ALL56248 trailing arm bushing.What material is the ALL99400 insert made from?The ALL99400 insert is molded from green polyurethane.What does the ALL99400 insert fit?The ALL99400 insert is designed to fit inside the Allstar Performance ALL56248 GM trailing arm bushing housing.How many inserts come in one ALL99400 package?The ALL99400 is sold each, as a single replacement insert.What is the difference between the 50DR, 60DR, and 80DR inserts?The durometer rating indicates hardness. The ALL99400 (50DR) is the softest, the ALL99401 (60DR) is medium, and the ALL99402 (80DR) is the hardest of the three interchangeable inserts for the ALL56248 bushing.{"@context":"https://schema.org","@type":"FAQPage","mainEntity":[{"@type":"Question","name":"What durometer is the ALL99400 bushing insert?","acceptedAnswer":{"@type":"Answer","text":"The ALL99400 is rated at 50 durometer, the softest of the three insert options Allstar Performance offers for the ALL56248 trailing arm bushing."}},{"@type":"Question","name":"What material is the ALL99400 insert made from?","acceptedAnswer":{"@type":"Answer","text":"The ALL99400 insert is molded from green polyurethane."}},{"@type":"Question","name":"What does the ALL99400 insert fit?","acceptedAnswer":{"@type":"Answer","text":"The ALL99400 insert is designed to fit inside the Allstar Performance ALL56248 GM trailing arm bushing housing."}},{"@type":"Question","name":"How many inserts come in one ALL99400 package?","acceptedAnswer":{"@type":"Answer","text":"The ALL99400 is sold each, as a single replacement insert."}},{"@type":"Question","name":"What is the difference between the 50DR, 60DR, and 80DR inserts?","acceptedAnswer":{"@type":"Answer","text":"The durometer rating indicates hardness. The ALL99400 (50DR) is the softest, the ALL99401 (60DR) is medium, and the ALL99402 (80DR) is the hardest of the three interchangeable inserts for the ALL56248 bushing."}}]} Show more