Distributor Cap Tune Up Kit With Rotor And Gasket For GM V8 HEI Ignition Thunderbolt IV And Thunderbolt V Systems Ready To Install Replaces 187523 805759Q3 805759T3 Includes Cap Rotor And Gasket
✔️ 1-pack kit with cap, rotor, gasket for GM V8 HEI Thunderbolt IV/V
This distributor cap tune-up kit is a direct replacement for MerCruiser GM V8 engines with Thunderbolt IV and V ignition systems. It includes the cap, rotor, and gasket to restore proper spark routing and help prevent misfires during routine maintenance.
✅ Compatible with GM V8 HEI Thunderbolt IV & V ignition systems
✅ Includes cap, rotor, gasket and mounting bolts for quick install
✅ Replaces part numbers 18-5723, 805759Q3, 805759T3 and related codes
✅ Not for Point Ignition systems; HEI only
✅ 2-year warranty from AA Ignition
💡 What is the purpose of a distributor cap kit for GM V8 HEI engines with Thunderbolt IV/V?
It’s a handy replacement set that restores spark routing and engine reliability on Thunderbolt IV and V systems.
- Routing high voltage to each cylinder in GM V8 HEI engines
- Includes cap, rotor, gasket and mounting bolts for quick install
- Designed for Thunderbolt IV and V ignition systems on MerCruiser GM V8 engines
- 2-year AA Ignition warranty