
Thunderbolt Big Block Tri-Pak Tune-Up Kit
- Kit fits Mercruiser V8 454, 502, 540, and 572 cubic inch engines with Thunderbolt ignition systems
- Includes MEGA-MAG 8mm SSC silicone spark plug wire set, heavy-duty distributor cap and rotor with brass contacts, dielectric silicone grease, and wire separators
- Ignition coil wire included
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Wire set has 90 degree boots on each end