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Single Tower Coil, Isolated Ground

This Coil is specially designed with a higher turns ratio that is matched to the MSD’s CD output.

PART# 42921

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$126.00   Suggested Retail
$112.95   Your Price
Estimated shipping date: 04/22/2021
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Depending on your application, you'll have two, three or four of these coils. The result is a high voltage spark that is capable of full output through high racing rpm.


Emission Code4
Maximum Voltage30 KV
Primary Resistance0.2 Ohms
Product TypeTower Coil
Secondary ResistanceLess than 2000 OHMS
Turns Ratio70:1
WarrantyLimited 1 Year Warranty
Part Number42921



This part is legal for sale or use on Racing Use Only Vehicles

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

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