Rotor Thunderbolt V8 - Trigger Wheel | Sierra 18-5431
V8 Thunderbolt Rotor - Trigger Wheel | Sierra 18-5431
Rotor fits Mercruiser V8 marine engines with Thunderbolt ignition systems.
- Rotor and trigger wheel for V8 Mercruiser Thunderbolt marine distributors
- Replaces Mercury 13524A5 and 13524T1
