Autolite 3910X High-Performance Spark Plug for Stock Motors
Replacement racing spark plug used by many professional race car drivers
Unique, special designed shell with 'X-gap' groove to run cooler and allow for improved flame kernel development
3/4in reach gasket seat with 14mm threads
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Autolite 3910X High-Performance Spark Plug for Stock Motors
Autolite 3910X High-Performance Spark Plug for Stock Motors
Replacement racing spark plug used by many professional race car drivers
Unique, special designed shell with 'X-gap' groove to run cooler and allow for improved flame kernel development
3/4in reach gasket seat with 14mm threads
Original: $7.72
-65%$7.72
$2.70Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Replacement racing spark plug used by many professional race car drivers
Unique, special designed shell with 'X-gap' groove to run cooler and allow for improved flame kernel development
3/4in reach gasket seat with 14mm threads
