THIS IS FOR A NEW PAIR OF 1955-1956-1957 CHEVROLET REAR KYB EXCEL-G GAS SHOCK ABSORBERS. THESE FIT ALL MODELS. THESE ARE THE BEST SHOCKS WE HAVE FOUND TO GIVE YOUR CLASSIC BETTER HANDLING WITHOUT MAKING RIDE TOO STIFF. THESE SHOCKS REALLY HELP STOP THAT FREEWAY WANDERING OR WHAT I CALL THE "BOAT FLOAT". SKU#1505