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- HEI PARTS
MSD Ignition 121-ASY15917 Features:
High-Output Performance
Produce up to 8.5 amps of current with a direct plug-in MSD HEAT Digital HEI Module for 4-pin stock HEI distributors. This HEI module is digitally controlled for accurate timing and has a built-in adjustable rev limiter that ranges from 5,000-10,000 RPM.
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Features:
- Fits Stock & MSD HEI Distributors
- Built-in Adjustable Rev Limiter
- Digitally Controlled for Accuracy
- Direct Plug-in for 4-Pin HEI Housings
- Increased Racing Energy Continues Through 9,000 RPM
Compatible with the Following Coils:
- 121-8200
- 121-8202
- 121-8203
- 121-8223
- 121-8207
- 121-8225
Product LineMSD HEAT Digital HEI Module & Coil
BrandMSD IGNITION
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
