Mercruiser Tune Up Kit 391-5090Q1
This will fit Mercury Mercruiser V-8 sterndrives and Inboards with Mallory ignition
Will also fit the following inboard engines
Pleasure craft V-8 with Mallory distributor ignition and tall distributor
Contains points, condenser and rotor for Mallory conventional ignition systems found in Crusader and OMC
Also replaces OMC part number 173619