8 NEW Autolite racing spark plugs part# AR3932X that fits primarily high-performance/racing applications. The "X" plug is similar to the regular AR3932... but has  a specially machined four-corner firing surface gap style instead of the normal single electrode. Specs. are 5/8" hex, 3/4" reach, 14mm thread, nickel plated shell, gasket seat, non-resistor. These high performance spark plugs were designed specifically for the Nascar racing engines. Try these out and feel the difference. No gapping required!

Like us on Facebook! Eatmon Race Parts