QA1 designed their 5252 Heavy-Duty Tie Rod Adjuster Sleeves for the GM 1970-81 F-Body, 73-77 A-Body, 77-96 B-Body, 71-87 C10, 73-81 C20/R20, and 88-98 C1500 Trucks, and 73-92 2WD Suburbans. Manufactured from solid steel hex stock, then zinc plated for durable good looks and corrosion resistance. QA1 5252 Heavy-Duty Tie Rod Adjuster Sleeves Features: Fits GM 1970-81 F-Body, 73-77 A-Body, 77-96 B-Body, and 73-92 2WD Suburbans Also fits GM 1971-87 C10, 73-81 C20/R20, and 88-98 C1500 Trucks Manufactured from Solid Steel Hex Stock Zinc Plated for corrosion resistance and good looks Plated Hex Nuts Stronger than stock OE split sleeves Interchanges to Moog: ES-2004S Sold in Pairs Form meets function - these solid steel Heavy-Duty Tie Rod Adjuster Sleeves look and perform great!