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Mallory Promaster Classic Series Coils 28720

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Ignition Coil, Promaster Classic, Canister, Square, Oil Filled, Black, Each

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  • Order this item and get free delivery and handling on your entire order! Offer excludes truck freight fees. Valid on orders shipped in the contiguous United States.

Brand: Mallory Ignition

Manufacturer's Part Number: 28720

Part Type: Ignition Coils

Product Line: Mallory Promaster Classic Series Coils

Summit Racing Part Number: MAA-28720

UPC: 769105017527

Coil Wire Attachment: Male/HEI

Coil Style: Canister

Primary Resistance: 0.700 ohms

Coil Internal Construction: Oil-filled

Coil Color: Black

Maximum Voltage: 50,000 V

Turns Ratio: 83:1

Secondary Resistance: 13 ohms

Inductance: 9.5 mH

Peak Current: 100 mA

Spark Duration: 1.5 mS

Mounting Bracket Included: Yes

Coil Wire Included: No

Ballast Resistor Included: Yes

Coil Shape: Square

Height (in): 5.295 in.

Length (in): 3.708 in.

Width (in): 3.829 in.

Quantity: Sold individually.

Notes: Not for use with ignition boxes such as the Mallory Hyfire.

CARB EO Number: D-70-12 (pdf)
To see a list of qualifying vehicles, enter CARB EO Number D-70-12

In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

These Promaster Classic series ignition coils from Mallory are designed to meet today's specialized ignition requirements. These coils feature a faster rise time and increased spark duration (compared to stock) to increase performance. They have a glass-filled polyester case and oil-filled construction to ensure a long life and no energy loss from arcing. This series also offers better wire retention with a spark plug type secondary post, and brass contact terminals.


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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