I have four brand new lowering springs in the box for sale .... 2" lowering springs bought for my 62' Pontiac that I did not install. Four springs $100. Should fit full size GM cars from 1958 to 1964
1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)