ACCEL Shorty Resistor Racing Plug - (4 Pack) CHOP2 Available in either mechanical or

Available in either mechanical or pneumatic styles

Race proven - approved by NASCAR

1-1/4 in OD Lower Control Arm

150 PSI peak pressure

ACCEL Shorty Resistor Racing Plug - (4 Pack) CHOP2 Available in either mechanical orACCEL 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