*** IN STOCK SHIPS TODAY *** This rear main seal is the toughest in the industry and being it is made out of Buna rubber it can withstand nitro or alch.
Includes rear main seal and rear main cap side seals. Fits all Donovan 417 or Rodeck 392 Hemi engine blocks.
Rear main seal will also fit Ford FE 352-428 engines. Does not fit the iron 392 from Chrysler.