ACCEL Shorty Resistor Racing Plug - (4 Pack) H778C31 7 in Diameter

7 in Diameter

Built-in stops on the jack prevent the handle from falling forward past the 12 o’clock position

rope-lay copper cable for best current carrying capabilities

SFI Rating 3

ACCEL Shorty Resistor Racing Plug - (4 Pack) H778C31 7 in DiameterACCEL U Groove Spark plugs have set the standard for High Performance Spark Plugs. ACCEL Engineers developed and patented the U Groove technology which permitted the spark to develop a much larger, hotter and fuller flash front. That effectively gave a more complete burn of the air fuel mixture in the combustion chamber. Over the past 25 years engine head design and fuel management technology has changed. As a result, ACCEL is moving away from the U