I’ve not checked for sizes or whether anything they have is reasonable quality, but the Repco site has spark leads on clearance for surprisingly low prices; singles for under $1 and sets from $2. My guess is they’ve been on clearance for ages (hence 20c) and finding a useful size would be super lucky, but hey if anyone’s lookin’ …
Repco spark leads on clearance
Grab sets that would be longer and cut them?
Cheap if $2, get spare ends of the type needed.
JFTR, Bosch lead kits and part numbers from the Bosch catalog:
