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Bolt-on carburetor style EFI for your classic car or truck.
Capability Range: Moderate
Price Point: $
Advanced throttle body injection systems capable of transmission control and more.
Capability Range: Advanced
Price Point: $$
Robust, feature-rich multi-port EFI systems offer easy plug-and-play late-model V8 engine swaps.
Capability Range: Advanced
Price Point: $$
EFI Systems based on Holley's world-class Dominator and HP ECU's.
Capability Range: Professional
Price Point: $$$
Whenever Holley produces a harness that doesn't neatly fit into any of the other harness categories, we put them here. Not to imply that they are any less important!
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