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Holley Diecast In-Tank Retrofit Fuel Module 450 LPH with Return 12-137 450 LPH Drop-In Retrofit EFI Fuel System w/Hydramat Supports up to 875 EFI or 1100 Carb HP (@ 60 PSI at 13.5 Volts / 16.9 AMP Draw) Of course there are many variables, estimates are...

Holley Dominator 130 GPH Inline Billet Fuel Pump 12-1200 Street/Strip Carb or EFI Applications Supports up to 1200 EFI or 1460 Carb HP Compatible with Pump Gas and Race Gas Features: Improved hot fuel handling Billet aluminum construction for...

Holley Dominator 160GPH Inline Billet Fuel Pump 12-1600 Street/Strip Carb or EFI Applications Supports up to 1600 EFI or 1800 Carb HP Compatible with Pump Gas and Race Gas Features: Improved hot fuel handling Billet aluminum construction for durability...

Holley Dominator 200 GPH Inline Billet Fuel Pump 12-1800-2 w/ Dual Inlet Street/Strip Carb or EFI Applications Supports up to 1800 EFI or 2100 Carb HP. Compatible with Pump Gas, Race Gas, Diesel or E85 Features: Billet aluminum construction for...

Holley EFI 105mm Plenum Top for HI-RAM 300-246 As Cast Finish HI-RAM 105MM Plenum Top for EFI Hi-Ram Manifolds- Bolt down through design Features: Top Only   SPECS Brand Holley EFI Color Natural Construction Cast Emission Code 3 ...

Holley EFI 105mm Plenum Top for HI-RAM 300-246BK - Black Black Finish HI-RAM 105MM Plenum Top for EFI Hi-Ram Manifolds- Bolt down through design Features: Top Only SPECS Brand Holley EFI Color Black Construction Cast Emission Code 3  ...

Holley EFI 4150 to 92mm LS Drive-By-Wire Throttle Body Intake Adapter 17-93 Wanting to run a drive by wire throttle body on your 4150 flanged intake manifold? Tired of stretching, adjusting, or breaking throttle cables? Look no further than the new...

Holley EFI 90mm Billet Throttle Body 112-589 LS 90mm TB w/cable drive and taper Holley went back to the drawing board and built the ultimate air valve for your LS engine! This all new design boasts a 90 millimeter bore and a low RPM drive friendly taper...

Holley EFI 95mm Plenum Top for HI-RAM 300-245 As Cast Finish HI-RAM 95MM Plenum Top for EFI Hi-Ram Manifolds- Bolt down through design Features: Top Only SPECS Brand Holley EFI Color Natural Construction Cast Emission Code 3   4 Fuel...

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...