Air and Fuel Delivery

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Holley EFI

66 lb/hr Performance Fuel Injectors - Set of 8

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$877.95 $834.05

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...

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Holley EFI

Holley EFI Fuel Injector - Individual

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$119.95 $113.95

Holley EFI Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity with no discernible...

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Holley EFI

Dual Tank Fuel Pump Kit

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$175.95 $167.15

This kit is designed to allow the use for all Holley MPI / TBI / Terminator EFI systems on vehicles equipped with dual fuel...

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Holley EFI

2 Port VR Series Fuel Pressure Regulator

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$538.95 $512.00

The Holley VR Series billet fuel pressure regulators are part of the VR1 and VR2 Series brushless fuel pump systems product line. These regulators...

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Holley EFI

Holley Terminator X Fuel Injectors - Set of Eight

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$956.95 $909.10

Terminator X fuel injectors are dynamic flow matched within 1%, resulting in extremely precision and consistent injector characteristics. These injectors provide excellent linearity with...

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Holley EFI

Dual Tank Fuel Pump Kit

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$658.95 $626.00

This kit is designed to allow the use for all Holley MPI / TBI / Terminator EFI systems on vehicles equipped with dual fuel...

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Holley EFI

HI-RAM 95MM Fabricated Side Mount Plenum Top

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$562.95 $534.80

HI-RAM 95MM Fabricated Side Mount Plenum Top for EFI Hi-Ram Manifolds Holley now has fabricated aluminum plenum to options for those of us with...

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Holley EFI

Holley EFI Fuel System Kit

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$449.95 $427.45

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They 're engineered using a Holley fuel filter...

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Holley EFI

Holley EFI Fuel System Kit

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$292.95 $278.30

Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. They are engineered using a Holley fuel filter...

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Holley EFI

BILLET 105mm LS Throttle Body w/low RPM Taper

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$1,012.95 $962.30

Holley's BILLET LS Throttle Bodies are the BIGGEST BORE - MOST FEATURE LOADED available. Holley went back to the drawing board and built the...

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Holley EFI

Universal 4BBL 1000CFM Throttle Body

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$701.95 $666.85

Holley's new 1000 CFM throttle body shares the same air entry area design that powers every NASCAR Sprint Cup Series™ car. The throttle body...

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Holley EFI

BILLET 90mm LS Throttle Body w/low RPM Taper

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$1,012.95 $962.30

Holley's BILLET LS Throttle Bodies are the MOST FEATURE LOADED available. Holley went back to the drawing board and built the ultimate air valve...

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Holley EFI

Universal 4BBL Billet 2000 CFM Throttle Body

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$2,081.95 $1,977.85

If you're thinking of building either a high performance or race multi-point fuel Injection system for your engine, look no further than Holley for...

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Holley EFI

Holley EFI Chrysler HEMI Drive-By-Wire Dual Throttle Body Harness

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$449.95 $427.45

The Holley EFI Dominator ECU has built in capability to control dual Drive-By-Wire Chrysler Throttle Bodies - OEM P/N 53034251AB Additionally, this harness requires...

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Holley EFI

Terminator Stealth 2x4 Main Harness

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$598.95 $569.00

Introducing 2x4 Terminator Stealth EFI upgrade components. The wait is over. These upgrade components allow you to use your current Terminator Stealth EFI throttle...

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Holley EFI

Terminator Stealth 2x4 Primary Throttle Body Sub Harness

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$281.95 $267.85

The 2x4 main harness is functionally the same as the previous terminator stealth main harness. The normal Terminator Stealth instructions should be used to...

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Holley EFI

HOLLEY EFI 1/8NPT SENSOR BLOCK

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$78.95 $75.00

Rigidly mounting pressure transducers to your engine is never a good idea. Introducing the Holley EFI sensor block! Compatible with all transducers that utilize...

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Holley EFI

160 lb/hr Performance Fuel Injectors - Set of 8

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$1,687.95 $1,603.55

Holley EFI 160lb/hr Flow Matched Fuel Injectors feature a precision lapped disc valve, high-quality brass windings, and high-temp O-rings. These injectors provide excellent linearity...

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Holley EFI

Gen III HEMI Drive-By-Wire Harness - Early Pedal

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$321.95 $305.85

Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks...

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Holley EFI

Gen III HEMI Drive-By-Wire Harness - Late Pedal

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$299.95 $284.95

Similar to the changes with the cam and crank sensors, the Drive-By-Wire throttle pedal connector was changed in 2008 on cars while the trucks...

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Holley EFI

Holley EFI GEN III HEMI VVT Harness

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$150.95 $143.40

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs...

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Holley EFI

Holley EFI GEN III HEMI VVT and SRV Harness

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$195.95 $186.15

2009+ Gen III Hemi engines rolled off the showroom floor with Variable Valve Timing (VVT). Now, both Terminator X and Terminator X Max ECUs...

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Holley EFI

Throttle Body Wiring Harness

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$52.44 $49.82

Closed Loop Wiring Harness for Digital 2 bbl Pro-Jection

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Holley EFI

Holley EFI LS Main Harness to LS3-style MAP Sensor Adapter

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$48.23 $45.82

Holley EFI LS main harnesses have a MAP sensor connecter designed for use with an LS1/2 style MAP sensor. The 558-416 is an adapter...

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Holley EFI

Pro-Jection Computer Data Cable

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$10.86 $10.32

Computer Data Cable for All Digital Interactive Pro-Jection Systems

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Holley EFI

HP EFI Universal MPI Retrofit Kits

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$4,443.95 $4,221.75

Do you have a Mopar, Ford, or other type engine you want to install multi-port fuel injection on? The Holley HP universal retrofit EFI...

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Holley EFI

HP EFI Universal MPI Retrofit Kits

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$5,624.95 $5,343.70

Do you have a Mopar, Ford or other type engine you want to install multi-port fuel injection on? No, problem, the Holley HP universal...

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Holley EFI

Holley EFI Stealth 4150 Fuel Log

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$90.95 $86.40

The Holley EFI Stealth 4150 Fuel Log is designed to be used with either Sniper EFI Stealth 4150 or Terminator X Stealth 4150 systems....

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Holley EFI

Fuel Pressure Regulator Diaphragm

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$99.95 $94.95

Regulator Rebuild Kit for 1 bbl, 2 bbl, & 4 bbl Holley TBI regulators. Holley's regulator rebuild kits include everything needed to rebuild your...

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Holley EFI

Connector Kit for Holley EFI Stealth Ram Power Pack Kits

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$67.95 $64.55

Complete connector and pin kit for use with Holley EFI Stealth Ram Power Pack kit. Includes connector and pins for Manifold Absolute Pressure (MAP)...

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Holley EFI

90mm, 95mm, and 105mm Throttle Body Cable Bracket

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$39.44 $37.47

Bracket has allowance for throttle pedal adjustment or the addition of a nitrous plate. This bracket works with throttle cables from 1998-2002 5.7L Chevrolet...

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Holley EFI

Terminator Ford Transmission Kickdown Bracket Kit

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$28.37 $26.95

Spring and bracket kit needed when using a Ford automatic transmission with a Terminator EFI kit.

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Holley EFI

Holley EFI Ultra Lo-Ram Manifold 105mm Throttle Cable Bracket

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$39.47 $37.50

This throttle bracket is designed specifically for the Holley Modular Ultra Lo-Ram EFI Manifold 300-621 and 300-621BK front-feed intake manifolds using the 105mm throttle...