Autolite 45 Copper Resistor Spark Plug #AUTL45 4829118 An in depth study by

An in depth study by the UNIVERSITY of PAVIA

NHRA/IHRA approved Reverse Lockout

surface finish and tool life

4 4G64 2001-2005 (Front)

50mm Internal pitch threading insert

Autolite 45 Copper Resistor Spark Plug #AUTL45 4829118 An in depth study byAutolite 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