Box of 4 Genuine Autolite 306 Copper Resistor Spark Plugs Drop Ship 61 & 66 Models That

61 & 66 Models That Require This Part #

Brand New Genuine MTD Hex Flange Lock Nut…

LC153HD & LC121P Models

DESCRIPTION Silver Streak Toothed Blade

746-04173B

Box of 4 Genuine Autolite 306 Copper Resistor Spark Plugs Drop Ship 61 & 66 Models ThatBrand New Box of 4 Genuine Autolite Spark Plugs Brand New Box of 4 Autolite Spark Plugs Genuine Autolite Part # 306 Copper glass seal bonded insulator, terminal post, and center electrode provide a tight seal that is 100 percent leak proof Multi rib insulator reduces danger of "flash over" to prevent misfires Full copper core electrode improves heat transfer and optimizes plug life Copper core center electrode provides higher thermal conductivity