SOLD For sale is a half set of 1.5 ratio early Oldsmobile Adjustable Rockers. From my research they are Isky/McGurk since there aren't any markings on them. Here is a comparison to stock 1.8 ratio rocker on the left: $150 obo plus shipping (if you only need the rockers, no shaft or stands, shipping is included) Accepted payments: paypal as gift or check Let me know if you need more info or pictures.