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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: $$$
Because of the extremely fine and high-quality atomization of the Holley Water-Methanol Injection sp..
$39.32 $34.95
This system is designed for use with Holley HP and Dominator EFI systems. It is not a stand-alone sy..
$298.95 $264.95
Holley Water/Methanol injection solenoids (PN’s 557-103, 557-105, & 557-106) are required to be driv..
$463.95 $411.95
Water-Methanol Injection Solenoid/Nozzle 1000cc/min (800HP) Not Sure? Review this product documentat..
$463.95 $411.95
This module is designed to allow any spare PWM output on the Holley HP or Dominator ECU to be used t..
$176.95 $156.95