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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
$7.72
Autolite 3910X High-Performance Spark Plug for Stock Motors—
$7.72
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
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
