4.5" to 4.0" 90° Silicone Elbow Color:BLACK Spark Plug Wires

Spark Plug Wires

These high quality made in the USA flanges are 1/2" thick made from 1018 steel

The stainless steel outside keeps the inner diameter uniform

If you get any steel in the threads

3" Down-Pipes

4.5" to 4.0" 90° Silicone Elbow Color:BLACK Spark Plug WiresApplications: Joining your intake pipe to the throttle body assembly, air metering assembly, intercooler, BOV pipe, or turbo inlet outlet. Custom compressor, intercooler or inlet piping for turbo supercharged car Custom cold air intake for nonturbo car Replacement of all factory rubber parts These silicone parts can be used in trucks, recreational vehicles, boats, or anything else with an engine.