Spark Plug

Product Info:
Experience improved ignition, quick starts, good fuel economy and smooth acceleration with Autolite spark plugs. Autolite has been manufacturing spark plugs since 1936 and are your go-to industry standard.
The Autolite copper range are manufactured with a full copper core electrode, designed to give you better performance in all operating conditions. A copper glass seal bonds the ceramic insulator and centre post together ensuring strong spark and a 100 percent leak proof seal. Coupled with a cold formed steel shell and precision rolled threads, Autolite spark plugs exhibit great durability and anti-seize properties.
HANDY ACCESSORIES:
Spark Plug Gap Gauge Coin
Spark Plug Gap Gauge Coin
Dielectric Grease
Dielectric Grease
Spark Plug Tools
Spark Plug Service Tools
Features:
Full copper core electrode with high nickel alloy shell provides great performance in all conditions
Designed to deliver quick starting, smooth acceleration and good fuel economy
Copper-glass seal is 100 percent leak proof, assuring full voltage is delivered to spark gap
Insulator ribs increase surface length, reducing the chance of spark leakage and misfire
Note: Requires gap to be set prior to installation
Tech specs:
Autolite Spark Plug 5503
Thread Size: 14mm X 1.25
Reach: 3/4"
Hex Size: 5/8" (16mm)
Seat Type: Gasket
Tip Configuration: Mid Projection
Resistor: Resistor
Gap: .044"/1.1mm
Heat Range Chart Row: 22
Metal Type: Copper
Terminal Type: Solid
Package Qty: 1