80% of units with MSD can start with black stop bushing and one light silver , one light blue spring and be right on The way they send them out the door they are almost unusable Also spray WD40 on the reluctor --they are some odd metal and will corrode making unbelievable mess-- stopping you in the middle of the road

FBO plate should get Mopar product of the decade--awesome problem solver backed by a smart patient guy Wish I had invented it