- Pair of Drag Specialties spark plugs with a unique design, featuring a black ceramic body and a bright red logo/script
- The insulator is made of 95% pure alumina, offering high resistance to thermal shock and superior insulation.
- The multi-rib design of the insulator eliminates flashover
- Nickel-plated housing prevents rust and corrosion
- Multi-layer gaskets and heat-pressing process ensure a tight, leak-free seal
- The copper core electrode prevents oxidation and corrosion, has good electrical and thermal conductivity, and prolongs the life of the spark plug.
- Thermal range 6
- For 1957-1978 XL models
- Replaces OEM: 32301-60 31629-78 4R
-22%
High Performance Spark Plugs for Harley Davidson Sportster Ironhead 1957-1978
$7.53 Save:$2.00(22%)
Description
