Butler Performance Inc. » Holley

Holley
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. Find all your Holley products here at Butler LS.

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Items 1-30 of 34
500hp+ Pontiac Carbureted Muscle Car Engine on Pump Gas
Butler Pontiac Power at its best. Butler Core or customer block making over 500hp and 515 lbs tq on pump gas. Features Butler/Ross rotating assembly with Eagle crank and Butler...More Details »
500hp+ Pontiac EFI Muscle Car Engine on Pump Gas
This beautiful build features a Sniper QJet EFI system with a March Black Onyx Serpentine System. It's internal components are a Butler Ross BU assembly 4.181" bore and 4.250" stroke with a...More Details »
700hp+ 535ci Pump Gas Engine w/ IAII Cast Block
This build featured an IAII aftermarket black, Forged 4.5" stroke Crank, Custom Ross Pistons in 4.350" bore, Comp Solid Roller Cam, Edelbrock CNC Round Port Heads, Holley 950 Ultra XP Carb....More Details »
Air Cleaners/Filters
Top off your Pontiac engine with an air cleaner or new filter from Butler Performance.
Avenger
Performance calibrated street & off road carbs loaded with easy to use features Vacuum secondaries for use on wide variety of vehicles Available up to 870 CFM
Bellhousings
Carb Accessories
Carb Accessories is where you will find linkage, lines, plates, and more for carburetors and more.
Carb Gaskets
Dominator
The world famous Holley Dominator For big inch, high horsepower engines The ultimate big bore racing carburetor
Double Pumper
Tire turning power for hot street or race vehicles Mechanical secondaries means your foot controls rear throttle blade opening For light vehicles with low gearing and manual trans or automatics with high stall converter
Dual Sync / Hyperspark (EFI Ready)
Dual Sync Sensors generate two signals, one for crank and one for cam. Using this setup allows for individual timing control when using ignition boxes. These distributors have what is called a...More Details »
EFI Components
EFI Systems & Components
Ready to update your carbureted system to an electronic fuel injection system? Butler Performance has been installing and testing many systems from FAST, Edelbrock, Holley, and more for a long...More Details »
Fender Covers
Fender Covers
Fuel Filters
Fuel Pumps- In-line
Electric in-line fuel pumps for higher performance applications where more fuel is needed. Easy to install and maintain.
Fuel Pumps- In-Tank Carbureted
For Carbureted applications. These pumps can be installed in new tanks or retrofit for your existing stock or stock replacement tank.
Fuel Pumps- In-Tank EFI
For EFI and carbureted applications. These pumps can be installed in new EFI ready tanks or retrofit for your existing stock or stock replacement tank. With the addition of a fuel bypass regulator,...More Details »
Fuel Regulators
Holley Sniper & Sniper 2 EFI Systems
Holley just brought EFI within range! Introducing Sniper EFI! It's economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!...More Details »
Holley Sniper Quadrajet EFI Systems
Are you tired of rebuilding the 50+ year old Rochester Quadrajet™ (Q-Jet) on your classic Chevrolet, GMC, Buick, Oldsmobile, or Pontiac? Introducing Sniper EFI Quadrajet™. The first bolt on...More Details »
Holley Stealth 4150 EFI Systems
The Sniper Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications. The Sniper...More Details »
Holley Terminator Stealth EFI Systems
If you have been hesitant on switching to EFI because you like the traditional look of a carburetor? There is no more need to worry! Holley has you covered with the new Terminator Stealth Throttle...More Details »
Hose & Fitting Kits
HP
HP
The original race ready carb that started it all! Performance calibrated and race ready Up to 1000 CFM
Ignition Boxes
These boxes are are capable of producing full power sparks throughout the entire rpm range. It draws its energy directly from the battery where a custom wound transformer steps it up to over 460...More Details »
Items 1-30 of 34

Holley Products

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Items 91-120 of 135
Description: 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-518
Condition: New
Price: $1,557.95

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Description: Sniper EFI HyperSpark Ignition Coil
Item #: 556-152
Condition: New
Price: $49.95
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Description: Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Black
Item #: HLY-550-868
Condition: New
Price: $1,619.95


Description: Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Classic Gold
Item #: HLY-550-869
Condition: New
Price: $1,619.95


Description: Rochester Quadrajet™ (Q-Jet) 4-Barrel Fuel Injection Conversion - Self-Tuning System with Handheld EFI Controller - Shiny Finish
Item #: HLY-550-867
Condition: New
Price: $1,557.95


Description: It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
Item #: HLY-550-511
Condition: New
Price: $1,259.95

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Description: Master Kit with Fuel System It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
Item #: HLY-550-516K
Condition: New
Price: $1,589.95

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Description: It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
Item #: HLY-550-516
Condition: New
Price: $1,291.95

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Description: It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
Item #: HLY-550-510
Condition: New
Price: $1,259.95

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Description: Full master kit. It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
Item #: HLY-550-511k
Condition: New
Price: $1,589.95

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Description: Full master kit. It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride!
Item #: HLY-550-510k
Condition: New
Price: $1,589.95

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Description: 900 CFM supports up to 800HP N/A with 4x 120 Lb/Hr Injectors
Item #: HLY-550-841
Condition: New
Price: $2,152.95

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Description: 340 LPH Drop-In Retrofit Carbureted Fuel System-E85 Compatible Supports up to 900 Carb HP (HP Rating @ 8 PSI at 13.5 Volts / 10.4 AMP Draw)
Item #: HLY-19-365
Condition: New
Price: $325.95

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Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Finish
Item #: HLY-550-871
Condition: New
Price: $1,424.95

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Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Finish with Fuel System Master Kit
Item #: HLY-550-871K
Condition: New
Price: $1,729.95

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Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-872
Condition: New
Price: $1,424.95

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Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish Master Kit w/Fuel System
Item #: HLY-550-872K
Condition: New
Price: $1,773.95

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Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-870
Condition: New
Price: $1,363.95

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Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish Master Kit w/Fuel System
Item #: HLY-550-870K
Condition: New
Price: $1,691.95

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Description: Braided Stainless Steel Lines Rugged Billet Construction AN and NPT Alum. Fittings For Holley Carbs Centerline to centerline = 9.5
Item #: HLY-101176ERL
Condition: New
Price: $165.95

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Description: Supports up to 900 EFI or 1050 Carb HP Compatible with Pump Gas*, Race gas, Diesel or E85
Item #: HLY-12-170
Condition: New
Price: $198.95

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Description: The 12-920 universal in-line fuel pump is intended for Throttle Body EFI, Multipoint EFI and Forced Induction Multipoint EFI systems
Item #: HLY-12-920
Condition: New
Price: $289.95

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Description: Carburetor looks with the drivability of EFI 250-600 horsepower Fully self-tuning - No laptop required Includes full color, 3.5” for both basic and advanced tuning Includes complete fuel system
Item #: HLY-550-441K
Condition: New
Price: $3,479.95

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Description: Carburetor looks with the drivability of EFI 250-600 horsepower Fully self-tuning - No laptop required Includes full color, 3.5” for both basic and advanced tuning Includes complete fuel system
Item #: HLY-550-440K
Condition: New
Price: $3,406.95

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Description: Carburetor looks with the drivability of EFI 250-600 horsepower Fully self-tuning - No laptop required Includes full color, 3.5” for both basic and advanced tuning
Item #: HLY-550-441
Condition: New
Price: $2,910.95

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Description: Carburetor looks with the drivability of EFI 250-600 horsepower Fully self-tuning - No laptop required Includes full color, 3.5” for both basic and advanced tuning
Item #: HLY-550-440
Condition: New
Price: $2,839.95

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Description: The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications
Item #: HLY-550-1002
Condition: New
Price: $1,942.95

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Description: The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications
Item #: HLY-550-1003
Condition: New
Price: $1,942.95

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Description: The Terminator X Stealth 4150 EFI system from Holley features 4, 100LB/HR Fuel Injectors capable of supporting up to 650 HP naturally aspirated or 600 HP on forced induction applications
Item #: HLY-550-1001
Condition: New
Price: $1,942.95

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Description: Holley Throttle Ball Assortment Pack
Item #: HLY-20-2
Condition: New
Price: $19.61
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Items 91-120 of 135