ACCEL Spark Plug - 14 mm Thread - 0.708 in R - Tapered Seat - Resistor - Set of 4 923214 Smaller Housing With Improved Efficiency

Smaller Housing With Improved Efficiency

Inside Is Braided E-Glass Insulation

OEM quality natural finish die castings for clean looks and durability

For Powerglide Pro Tree Transbrake 628200 Valve Body

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

ACCEL Spark Plug - 14 mm Thread - 0.708 in R - Tapered Seat - Resistor - Set of 4 923214 Smaller Housing With Improved EfficiencyACCEL 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