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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
fuel economy
Action Plus
9 wide-band oxygen sensor provides real-time fuel map learning
The impeller also limits high rpm cavitation (air in the water) and will not crack
Holley recognizes and calibrates for the unique loads that boats endure and uses 4-corner adjustments through dual metering blocks
Holley Hi-Flow EFI Fuel Rails Chev LS1 LS2 LS3 LS6 & L99 Intakes # HO534-209 Rate_Engine fuel economyHolley Hi Flow EFI Fuel Rails Chev LS1 LS2 LS3 LS6 L99 Intakes # HO534 209 Fuel Rail Material: Aluminum Fuel Rail Finish: Black anodized Inlet Size: 8 AN O ring Fittings Included: Yes Hardware Included: Yes Quantity: Sold as a kit. These machined aluminum EFI fuel rails are capable of handling 1,100+ hp engines. They feature a 1 2 in. diameter inner bore to decrease fuel pressure drop and help cancel out back pulses.
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