Part Number: MV8V-1171
Keep your ignition system performing the way it was designed with the Ilmor MV8V-1172 Distributor Cap. This genuine OEM component is engineered specifically for Ilmor 5.7L MPI engines, delivering reliable spark distribution and consistent engine performance in demanding marine conditions.
Designed to provide maximum conductivity between the distributor towers and spark plug wires, this cap ensures clean, efficient ignition timing—helping your engine start quickly, run smoothly, and maintain optimal power output.
Built to Ilmor’s exact specifications, the MV8V-1172 is a direct replacement for the original factory-installed cap. Its precision fit eliminates guesswork during installation while maintaining proper alignment and electrical contact for long-term reliability. This makes it an ideal choice for routine maintenance or restoring peak performance during a tune-up.
Common Engine & Boat Fitments
This distributor cap is used on Ilmor 5.7L MPI and 5.7L MPI OPS engines, commonly found in:
- MasterCraft X2 (5.7L Ilmor-equipped models)
- MasterCraft XStar (select Ilmor engine configurations)
- MasterCraft ProStar 197
- MasterCraft ProStar 214
- Supra Launch 21 V (Ilmor-converted or select packages)
- Moomba Mobius LSV (Ilmor-equipped or repower applications)
It is also compatible with engines such as:
- Ilmor MV8 5.7L
- Ilmor 5000MPI (5.7L) direct drive and V-drive configurations
Fitment can vary by engine package and year, so confirming compatibility with part number MV8V-1172 is recommended before ordering.
Key Features
- Genuine Ilmor OEM distributor cap for precise fit and function
- Designed for 5.7L MPI and 5000MPI Ilmor engines
- Ensures strong, consistent spark distribution
- Improves ignition reliability and engine efficiency
- Durable construction built for marine environments
If your engine is experiencing rough idle, misfires, or hard starting, replacing the distributor cap is often one of the simplest and most effective fixes. The Ilmor MV8V-1172 restores proper ignition performance and helps keep your boat running smooth every time you head out.