Tune Up Kit for GM V-8 Engines with Thunderbolt IV & V HEI Ignitions
Cross Reference
| Sierra 18-5273 |
| CDI Electronics E66-0012 |
| Mercruiser 805759Q3 |
| Mercruiser 805759T3 |
| Mercury 805759T6 |
| Mercury 805759T4 |
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Regitar Engine Application Chart