HEI Ignition Coil for MerCruiser Thunderbolt IV V (V6 V8 4.3–8.2 350 454)

Includes: - HEI Ignition Coil

Fits Models: - MerCruiser Thunderbolt IV

Model Years: - Check fitment before purchase

Submodels: - Applies to listed models

Engine Options: - 4.3L V6, 5.0L V8, 5.7L V8, 7.4L V8, 8.2L V8, 350, 454

Description: This HEI Ignition Coil is designed for use with MerCruiser Thunderbolt IV systems, providing reliable ignition performance for a range of V6 and V8 marine engines. It enhances spark delivery, ensuring optimal engine efficiency and performance on the water.

Features: - Direct replacement for MerCruiser Thunderbolt IV ignition systems - Compatible with V6 and V8 engines ranging from 4.3L to 8.2L - Improves ignition timing and fuel efficiency - Durable construction for marine environments - Simple installation with standard tools