Speedmaster® - High Output External Ignition Coil

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In Stock - Ships in 24 to 48 hrs
Custom Built / Racing
Fitment Notes:
  • Not Vehicle Specific. May require professional installation. Typically used with custom built or racing vehicles
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Product Details

High Output External Ignition Coil by Speedmaster®. The Speedmaster™ high output technology coil produces up to 70% more spark energy than stock coils with outstanding reliability. This unit is recommended for street, strip, circle track and drag racing. Internally the coil also has large gauge wire windings for maximum spark current and voltage with better heat dissipation at high rpm. High voltage arcing is minimized through screw on connectors and a high tension tower. Ideal for use with capacitive discharge (CD) ignition systems and all of SpeedmasterTM range of High Output Ignitions.



Coil Style: Ignition Block
Peak Current: 280 mA
System Voltage: 12 Volts
Max Voltage: 60,000 Volts
Ballast Resistor Included: No
Coil Wire Included: No
Coil Shape: Square
Coil Wire Attachment: Male/HEI
Coil Internal Construction: Epoxy
Turn Ratio: 100:1
Primary Inductance: 6.6 mH
Primary Resistance: 0.450 Ohms
Secondary Resistance: 3.80K Ohms
Spark Duration: 225 uS
Quantity: 1 Piece


  • Created by professionals to meet your requirements
  • Superior longevity and dependability
  • Expertly Crafted using premium-grade materials

Founded in 1979, Speedmaster® has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. It began as a small speed workshop building engines for customers as a hobby, and now the company has grown from a one-man bricks-and-mortar business into a worldwide high-performance powerhouse known for assembling, manufacturing and racing high-performance engine parts. Speedmaster’s mission is to push innovation boundaries to create visually distinctive DNA, by blending old and new technology into functionality and aesthetics. Its empowered work forced drives innovation not only in the products it makes but with the way it goes about doing it. The ultimate token of precision, Speedmaster is the world’s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters. Surviving the longevity of road, race and recreation is mandatory for all Speedmaster “Track Proven” products, bringing you closer to product perfection.


Limited Worldwide Warranty

All Speedmaster Products limited warranties are extended to the original purchaser only. This limited warranty is not assignable or otherwise transferable. There are no warranties that extend beyond those stated herein. Speedmaster Products offers no other warranties expressed or implied beyond this limited warranty and are only applicable within the first 12 months of the purchase date.

In the event of an alleged defect in material or workmanship, Speedmaster Products responsibility is strictly limited to repair or replace the defective product. Speedmaster has no other obligation expressed or implied. Final warranty determination will be in the sole discretion of Speedmaster. Speedmaster shall not be responsible for actual or alleged consequential or other damages incurred by use of any product of Speedmaster.

To initiate the warranty process, the customer must return the alleged defective product to the place of purchase.

Speedmaster limited worldwide warranty specifically does not apply to products, which have been; (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Speedmaster Products. Speedmaster Products also does not warrant, and disclaims all liability for products used in racing activities and /or applications other than those specifically recommended.

All Speedmaster products are not subject to warranty when used for marine or racing application.

*When a spool is fitted, it is considered racing only.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More
Low Prices Price match guarantee
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