This is a New Original Genuine GM Rear Clutch Drum Bushing GM# 8618133 and Reverse Center Gear Bushing GM# 8618136 for the 1948-1956 Pontiac and 1946-1955 Oldsmobile Hydramatic Transmissions. This is from a Former Pontiac Dealership Parts Stock. The Bushings are in Good Condition. The Hydramatic Boxes are NOT included. Good Items to have on hand for your Hydramatic Rebuild. FREE SHIPPING IN THE US.