GM Delco EST Ignition Upgrade kit for 4.3 V6 engines with the obsolete Mercruiser Thunderbolt IV ignition system.

Kit Contents:

Reman GM EST Distributor w/ GM D1965A module and cast gear

New EST style ignition coil w/ riveted marine bracket

AC Delco Spark plug wires/distributor cap/rotor

MMLLC coil harness

MMLLC distributor harness

MMLLC shift kill harness

MMLLC set timing harness

(1) 14-16 ga butt splice (coil/ shift kill power)

(1) 18-22 female bullet terminal (tachometer engine side)

(1) 28-22 male bullet terminal (tachometer gauge side)

(2) female bullet terminal (shift kill switch +12v)

(2) male bullet terminal (shift kill signal)

(2) 3/8”x 16 bolts, flat washers, lock washers

System upgrade label

MMLLC bumper sticker

Lifetime warranty to original purchaser in USA. All others 1 year!!!

Warranty covers parts only, labor and shipping excluded. Must return entire distributor/coil system for warranty replacement (do not remove sealed module).

To order, contact: sales@moccasinmarine.com