Autolite Spark Plugs - Set of 8 - LSx Model:104 we simply remove the factory

we simply remove the factory Regal vacuum pump and install a block off plate in its place

Nominal Flow Rate – 1065cc/min @ 3

What this does is allow the spark to more quickly ignite the mixture

It is intended to connect to our 257 turbo

Lubricate the stud threads

Autolite Spark Plugs - Set of 8 - LSx Model:104 we simply remove the factoryThe Autolite 103 plugs are the ZZP team's preferred plug. They need to be changed out more often then the NGKs but performance and KR reduction is excellent. The racing version of the 103's has a back cut electrode and they feature nickle plating. Mixture of nickel and copper glass seal that bonds the insulator, terminal post and center electrode together, assuring full voltage Chromium nickel alloy ground electrode resists gap erosion Copper core