ACCEL Spark Plug - 14 mm Thread - 0.708 in R - Tapered Seat - Resistor - Set of 4 923214 Compact breather mounts in a

Compact breather mounts in a deck or bracket with a 7/16" hole and has a -4AN male end making it ideal for venting transmissions or rear ends

OEM quality natural finish die castings for clean looks and durability

For Powerglide Pro Tree Transbrake 628200 Valve Body

Smaller Housing With Improved Efficiency

Hi-Heat Metallic Coating

ACCEL Spark Plug - 14 mm Thread - 0.708 in R - Tapered Seat - Resistor - Set of 4 923214 Compact breather mounts in aACCEL 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