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Vehicle Info NeededMSD IGNITIONPART NUMBER: 121-8225
GM HEI Distributor Coil CARB E.O. #D-40-37
$12995
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GM
- GM HEI Distributor Coil
- CARB E.O. #D-40-37
Features: - Direct performance replacement for GM HEI coil-in-cap distributors
- 70:1 turns ratio and lower primary resistance produce high voltage output
- Full power sparks to 9,000 RPM (When used with 121-83647 Module)
- 50 State Legal
- CARB E.O Number D-40-37
- Special low induc-tance
- High temperature windings which charge faster for increased spark energy at higher rpm
- Designed to withstand harsh race applications as well as daily use wear and tear
- Delivers more spark energy to the spark plugs
- Mounts in the stock HEI cap and installs in minutesCoil Specs:
- Turns ratio: 70:1
- Primary resistance: .31 OHMs
- Secondary resistance: 9.2K OHMs
- Inductance: 3.5 mH
- Maximum voltage: 42,000 Volts (Tested with 6AL Ignition)
- Peak current: 200 mA
- Spark duration: 200 uS
- Direct performance replacement for GM HEI coil-in-cap distributors
- 70:1 turns ratio and lower primary resistance produce high voltage output
- Full power sparks to 9,000 RPM when used with 83647 MSD HEI Module
- Recommended for use with MSD HEI Module PN 83647
- CARB E.O. Approved
Reliable Factory Replacement Ignition Coils
MSD Blaster Series Coils work with a stock ignition or already MSD-equipped vehicles. These ignition coils directly bolt onto factory connections and provide an increased voltage output for improved performance.
Part TypeIgnition Coil
Product LineMSD Blaster Series Coils
BrandMSD IGNITION
Package Height3.0
Package Width6.38
Package Length8.13
Weight1.8 PG
Part CategoryPerformance Parts
Carb Eo NumberD-40-37 (pdf)
Primary Resistance0.600 ohms
Coil Wire AttachmentHEI in-cap
Coil StyleIn-cap
QuantitySold individually
Overall Length4 in (101.6 mm)
Ballast Resistor IncludedNo
Maximum Voltage42,000 V
Turns Ratio70:01:00
Peak Current200 mA
Coil ShapeSquare
Mounting Bracket IncludedNo
Inductance3.5 mH
Coil ColorBlack
Coil Wire IncludedNo
Spark Duration200 uS
Secondary Resistance8.9K ohms
Part FitmentDirect Fit
Coil Internal ConstructionEpoxy
Vendor Part Number8225
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
