Throttle body shaft seal set. Fits all 86-87 Turbo Regal 89 TTA and 84-85 Turbo Regal and Turbo Riviera. Direct replacement. Easy to change. If you have noticed a lot of oil and dirt around the throttle arm and spring and TPS than it's time for new shaft seals. Leaking shaft seals are also the cause of vacuum leaks which can cause bad readings on your scan tool.
We also carry all of the gaskets and parts you'll need to overhaul your throttle body