Sierra International Inc. Boating Accessories Mercruiser Tune Up Kit For V8 Thunderbolt Hei Ignitions 18-5273, Medium

Description

The Sierra 18-5273 Tune Up Kit fits GM V-8 Engines with Thunderbolt IV and V HEI ignitions. It is interchangeable with the following: GLM 71780, Mallory 9-29350, Mercury 805759T3, 805759Q3. Contains 18-5431 Rotor Assembly, 18-5395 Distributor Cap. Each component meets or exceeds the original part it replaces. Fit specific, check part numbers before purchase to ensure proper fit.