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Holley EFI Air/Fuel Wideband Gauge Kit 534-215 Standard 2-1/16" Wideband A/F Gauge, 8.5-18, Black Face. Includes gauge, wiring harness, and Bosch LSU 4.9 wideband O2 sensor. Holley EFI fully standalone 2-1/16" Air/Fuel Wideband O2 Gauge Kit. This...

Holley EFI Bypass Fuel Pressure Regulator Kit 12-846Kit (15-60 psi) 15-60 Psi - Fittings and Gauge Included Holley EFI Billet Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included 12-846...

Holley EFI Bypass Fuel Pressure Regulator Kit 12-882Kit (15-60 psi) 15-60 Psi - Fittings and Gauge Included Holley Die Cast EFI Bypass Style Fuel Pressure Regulator Kits are part of a complete line of fuel system products from Holley. The included...

Holley EFI CAN Input/Output Module Kit 554-166 The Holley EFI CAN Input/Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installation. This CAN module will add eight inputs and eight outputs to the system,...

Holley EFI Fuel Rails 534-203 Holley EFI Fuel Rails feature 1/2" diameter bore to accommodate high fuel flow and dampen fuel pulsations. Compatible with high horsepower applications. These rails also fit Holley EFI Hi-Ram and LS Single Plain Intake...

Holley EFI Fuel System Kit 526-9 Fuel system consisting of; 20ft of 3/8" Vapor Guard™ Fuel Hose, Filter, necessary hardware for a return-less system installation Holley EFI fuel kits are the perfect addition to your Sniper EFI or...

Holley EFI GM Gen V LT Lo-Ram Manifold Base w/Fuel Rails 300-711BK  Top-Feed - With Port Injection - Black Finish The Holley GM Gen V LT Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These...

Holley EFI GM Gen V LT Lo-Ram Top-Feed Manifold Base w/ Fuel Rails 300-711 Top-Feed - With Port Injection - Satin Finish The Holley GM Gen V LT Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads. These...

Holley EFI GM Gen V LT Lo-Ram Top-Feed Manifold Kit w/ Fuel Rails 300-718 Top-Feed - With Port Injection - Satin Finish The Holley GM Gen V LT Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads...

Holley EFI GM Gen V LT Ultra Lo-Ram Front-Feed Manifold Kit 300-716 Front-Feed - OE Direct Injection Only - Satin Finish The Holley GM Gen V LT Ultra Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads...

Holley EFI GM Gen V LT Ultra Lo-Ram Front-Feed Manifold Kit 300-717 Front-Feed - OE Direct Injection Only - Satin Finish The Holley GM Gen V LT Ultra Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads...

Holley EFI GM Gen V LT Ultra Lo-Ram Front-Feed Manifold Kit 300-717BK Front-Feed - OE Direct Injection Only - Black Finish The Holley GM Gen V LT Ultra Lo-Ram intake manifold kits are designed for GM Gen V LT engines equipped with GM LT cylinder heads...