The Atomic EFI outshines the competition in ease of installation and performance! The MSD annular ring injection design produces an air/fuel charge with much better mixture as well as an even distribution among the cylinders that our competition cannot match. Better AFRs equal better idle quality, better starting, and better overall drivability throughout the rpm range. You and your engine will be glad when you Go Atomic.
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MSD
Atomic EFI
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F.A.S.T.
EZ-EFI
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Holley
Avenger
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Professional Products
Powerjection III
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Required Connections
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8
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16
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18
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7
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Optional Connections
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5
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3
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4
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0
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Total Connections
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13
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19
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22
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7
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Returnless Design
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YES
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NO
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NO
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NO
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Handheld Controller
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YES
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YES
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YES
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NO
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NO Laptop Required
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YES
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YES
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YES
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NO
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Fan Control 1
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YES
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YES
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YES
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NO
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Fan Control 2
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YES
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NO
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YES
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NO
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Timing Control
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YES
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NO
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YES
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NO
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Integrated Sensors
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YES
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NO
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NO
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YES
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Maximum Horsepower
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620
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600
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600
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600
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Best Looking*
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YES
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NO
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NO
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NO
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* We might be biased - but really, look at them!
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