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
SALE
Autolite 3910X High-Performance Spark Plug for Stock Motors
Original price was: $7.72.$2.32Current price is: $2.32.
1000 in stock
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