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Ships within 48 hours · Estimated delivery Oct 27 - Nov 1
It can be adjusted from 0° per pound of boost to 3° per pound
100 percent vinyl construction with non-skid backing ensures a rugged and safe product
and reverse
biodiesel up to B-100
Autolite Ar3923-4Pk High Performance Racing Resistor Spark Plug, Pack Of 4 ABS It can be adjusted fromAutolite Racing Spark Plugs are used by many professional race car drivers. These spark plugs contain an Yttrium Enhanced Alloy, which enables up to 8 percent reduction in side wire temperature for improved durability and less pre ignition. Autolite racing plugs are available in colder heat ranges than most plug manufacturers to support modified engines and feature a cut background electrode for improved ignitibility and faster flame kernel growth.
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