Autolite 45 Copper Resistor Spark Plug #AUTL45 4829118 koken - 1/2"dr flex-head ratchet

koken - 1/2"dr flex-head ratchet - 450mm

quickly restores or creates internal / external threads

NHRA/IHRA approved Reverse Lockout

50mm Internal pitch threading insert

surface finish and tool life

Autolite 45 Copper Resistor Spark Plug #AUTL45 4829118 koken - 1/2"dr flex-head ratchetAutolite Copper Core spark plugs deliver quick starts, good fuel economy, and smooth acceleration. The copper glass seal bonds insulator and terminal post center electrode together to ensure full required voltage at spark gap, creating a gas tight seal that is 100 percent leak proof. Copper Core spark plugs feature a cold formed steel shell and precision rolled threads, and a one piece terminal post that adds strength. The multi rib insulator reduces