ACCEL Shorty Resistor Racing Plug - (4 Pack) CHOP2 Race proven - approved by

Race proven - approved by NASCAR

340LPH @ 73 PSI (30 psi boost)

1987-1989 GMC V2500 Suburban

The Club III uses a proprietary honeycomb architecture not found in other devices at this price point

a brass Nomex-backed zipper with a double overlap for a secure front opening

ACCEL Shorty Resistor Racing Plug - (4 Pack) CHOP2 Race proven - approved byACCEL 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