... automobile. 1.Small spark BOSCH 91112 BSX 175-176 2-BS 175-176 ,dynastart carbon brush,starter carbon ... 052-056,058-064,066-079 082-087,088,096 121,001-003,006-011,016-0199 000 081 ... never appears scratch, rough, ablation and so on. (2) With a good flow properties and set to change commutation ... the original manufacturer's specification. Any more than a 2 degree variation in the setting can cause arcing, ...