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Electronic Spark Control Module

Used on 1985-89 TPI systems w/ MAF sensors and 1987-1993 TBI's. Filters signal from the knock sensor so that ECM can retard spark advance when spark knock is present. ESC is part of Mem-cal in 1990 and later TPI systems.
PN Details Special
Shipping		 Engine Model(s) Years List Price Your Price Add to
85442 used on 1987-92 TBI and 1986-89 TPI systems All All All 83.69 70.95/each