ABRASIVE: COMPOUND,15OZ, USE 91893=37

91893 abrasive compound replaces Champion 533 abrasive in all Champion spark plug cleaner units. Cleaners formerly using the #533 abrasive will require two bags of 91893 to fully charge the unit. The following guidelines should be followed when replacing abrasive: 1. Use two bags of 91893 abrasive to fully charge Champion 2400, 800H, 800E and 700 cleaners. 2. Use one bag of 91893 to fully charge the CT475AV cleaner/tester. #622 Teflon nozzle tip sold separately.