These bolts are copies of the factory bolts used to seal the 602 Crate Engine. Type : Break Off Seal Bolts. FOR DONALDSON P821575 & P822858 AIR FILTER SET FOR DONALDSON FPG05 AIR CLEANERS. AIR FILTER P821575 & P822858 AIR FILTER SET FOR DONALDSON FPG05 AIR CLEANERS.
