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Developed for Holley by Improved Racing
The Classic Full Polished Wheels Feature a Fully Machine Polished Front Side and As-cast /Machined Backside
meaning a perfect balance between boost control and flow
Fits Model Number 4150
OEM Style TPS/IAC and fuel pressure regulator
Holley Dominator EFI ECU Only (HO554-114) drews Developed for Holley by ImprovedHO554 114 DOMINATOR ECU ONLY EFI With USB & Software Part Number: HO554 114 Dominator EFI Vehicle Management Systems are intended for all engine applications, from street to unlimited high end racing applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options, Dominator systems have nearly unlimited capabilities to control any power adder, input, or output you can throw at them. Need to run a
