REPLACES BUSHING IN STOCK GM UPPER TRAILING ARM MOUNTS & LOWER TRAILING ARMS IN THE FOLLOWING APPLICATIONS:*1978-88 CHEVROLET CHEVELLE, EL CAMINO, MONTE CARLO, & MALIBU (FIT BOTH UPPER MOUNTS & LOWER ARM)*1982-87 CHEVROLET CAMARO, BERLINETTA, & Z28 (FITS LOWER ARMS ONLY)*1978-87 BUICK CENTURY, LUXUS, REGAL, & SPECIAL (FITS BOTH UPPER MOUNTS & LOWER ARMS)*1978-88 OLDSMOBILE CUTLASS, F85, VISTA CRUISER, 4-4-2, & CALAIS (FITS BOTH UPPER MOUNTS & LOWER ARMS ONLY)*1978-81 PONTIAC GTO, LEMANS, GRAND AM, GRAND LEMANS, TEMPEST, & T37 (FITS BOTH UPPER MOUNTS & LOWER ARMS)*1978-87 PONTIAC GRAND PRIX (FITS BOTH UPPER MOUNTS & LOWER ARMS)*1982-87 PONTIAC FIREBIRD & TRANS AM (FITS LOWER ARMS ONLY)*1982-86 PONTIAC BONNEVILLE, CATALINA, EXECUTIVE, GRANDVILLE, & STARCHIEF (FITS BOTH UPPER MOUNTS & LOWER ARMS) ALSO FITS THE SOUTHWEST SPEED METRIC 9" FORD REAR END HOUSING1.925" O.D..510" I.D.2.410" LONGSOLD EACH