GM HEI Extreme Output Distributor Cap, Coil Cover

Name: GM HEI Extreme Output Distributor Cap, Coil Cover
Brand: MSD IGNITION
SKU: 121-84113
Price: 83.48 USD
Availability: InStock

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Ships on Sep 08, 2026

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GM Distributor Caps

GM HEI Extreme Output Distributor Cap/Coil Cover

For MSD 121-83653

Black

MSD 84113 Features:

With the introduction of our 20 Amp Extreme HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit our HEI Pro-Billet Distributor, PN 83653.

Part TypeDistributor Cap

BrandMSD IGNITION

Package Height5.0

Package Width7.4

Package Length9.5

Weight1.2 PG

Part CategoryPerformance Parts

Part FitmentSemi Universal

Vendor Part Number84113

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

GM HEI Extreme Output Distributor Cap, Coil Cover

MSD 84113 Features:

⚠️ Warning

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