Description
A high-output ignition system demands a distributor cap that can reliably handle elevated voltage without breakdown or performance loss. The MSD Extreme Output HEI Distributor Cap 84111 delivers the electrical integrity and mechanical security your GM HEI V8 needs to maintain consistent spark timing under extreme boost, nitrous, or high-RPM conditions. The non-vented housing and aluminum terminals resist tracking and carbon fouling, ensuring your ignition stays dialed in when it matters most.
- GM HEI V8 compatible
- HEI style aluminum terminals
- Twist-lock secure design
- Non-vented red housing
- High-voltage insulating material
- Extreme output rated
- Sold individually
- MPN: 84111






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