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.

Holley Categories

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Items 1-30 of 34
500hp+ Pontiac EFI Muscle Car Engine on Pump Gas
Pontiac V8 500hp+ Pontiac EFI Muscle Car Engine on Pump Gas Fuel Injection Without the Fight — 500hp+ Pontiac EFI Muscle Car Engine on Pump Gas for Pontiac V8s This is the same 500hp+...More Details »
700hp+ 535ci Pump Gas Engine w/ IAII Aluminum Block
Pontiac V8 700hp+ 535ci Pump Gas Engine w/ IAII Aluminum Block New Block, Big Inches — 700hp+ 535ci Pump Gas Engine w/ IAII Aluminum Block for Pontiac V8s This is Butler's 700hp+ 535...More Details »
700hp+ 535ci Pump Gas Engine w/ IAII Cast Block
Pontiac V8 700hp+ 535ci Pump Gas Engine w/ IAII Cast Block Iron and Attitude — 700hp+ 535ci Pump Gas Engine w/ IAII Cast Block for Pontiac V8s The IA II cast block is the iron...More Details »
Air Cleaner Assemblies
Pontiac V8 Air Cleaner Assemblies One Box, Whole Stack — Air Cleaner Assemblies for Pontiac V8s An air cleaner assembly is the complete stack in one box: base, element and lid, with...More Details »
Air Cleaner Assemblies
Pontiac V8 Air Cleaner Assemblies Base, Element and Lid in One Box — Air Cleaner Assemblies for Pontiac V8s An air cleaner assembly is base, element and lid sold together, already...More Details »
Air Cleaner Bases
Pontiac V8 Air Cleaner Bases Hood Clearance First — Air Cleaner Bases for Pontiac V8s The air cleaner base is the part that decides whether the hood closes. It seals to the 5-1/8"...More Details »
Air Cleaner Bases
Pontiac V8 Air Cleaner Bases Where the Filter Sits — Air Cleaner Bases for Pontiac V8s The air cleaner base is the piece that decides how tall the whole stack sits. It bolts to the...More Details »
Avenger
Pontiac V8 Avenger The Easy One — Avenger for Pontiac V8s The Holley Street Avenger is the easiest carburetor on this shelf to live with. It runs vacuum secondaries , so the...More Details »
Bellhousings
Pontiac V8 Bellhousings The Adapter That Makes the Swap — Bellhousings for Pontiac V8s The bellhousing is what makes a manual transmission swap possible on a Pontiac. Pontiac shares...More Details »
Carb Accessories
Pontiac V8 Carb Accessories The Parts Between the Carb and the Engine — Carb Accessories for Pontiac V8s Carb accessories are the parts that decide whether a new carburetor actually...More Details »
Carb Gaskets
Pontiac V8 Carb Gaskets Get the Flange Right — Carb Gaskets for Pontiac V8s A carburetor base gasket is a two-dollar part that decides whether your Pontiac idles clean or hunts for...More Details »
Dominator
Pontiac V8 Dominator The 4500 Flange — Dominator for Pontiac V8s The Holley Dominator is the only family here that changes the manifold. It uses the 4500 flange , not 4150, so it...More Details »
Double Pumper
Pontiac V8 Double Pumper Mechanical Secondaries — Double Pumper for Pontiac V8s The Holley Double Pumper is defined by two things: mechanical secondaries that open with the...More Details »
Dual Sync / Hyperspark (EFI Ready)
Pontiac V8 Dual Sync / Hyperspark (EFI Ready) Timing by ECU — Dual Sync / Hyperspark (EFI Ready) for Pontiac V8s Once a Pontiac V8 is running EFI , the distributor stops being a...More Details »
EFI Components
Pontiac V8 EFI Components Keep It Running — EFI Components for Pontiac V8s EFI Components are the pieces that keep an injection system alive after the kit is installed: oxygen...More Details »
Fender Covers
Pontiac V8 Fender Covers Protect the Paint — Fender Covers for Pontiac V8s Fender covers are the cheapest insurance in the shop. A dropped socket or a belt buckle against a painted...More Details »
Fender Covers
Pontiac V8 Fender Covers Cheap Insurance on Good Paint — Fender Covers for Pontiac V8s A fender cover is cheap insurance on a car you have already spent money painting. It keeps...More Details »
Fuel Filters
Pontiac V8 Fuel Filters Pre-Pump and Post-Pump — Fuel Filters for Pontiac V8s Fuel filters are the cheapest insurance in the whole fuel system and the part most often installed in...More Details »
Fuel Pumps- In-line
Pontiac V8 Fuel Pumps- In-line On the Frame Rail — Fuel Pumps- In-line for Pontiac V8s An in-line electric fuel pump mounts on the frame rail near the tank and pushes fuel forward....More Details »
Fuel Pumps- In-Tank Carbureted
Pontiac V8 Fuel Pumps- In-Tank Carbureted Quiet and Submerged — Fuel Pumps- In-Tank Carbureted for Pontiac V8s An in-tank carbureted fuel pump puts the pump inside the tank,...More Details »
Fuel Pumps- In-Tank EFI
Pontiac V8 Fuel Pumps- In-Tank EFI Inside the Tank — Fuel Pumps- In-Tank EFI for Pontiac V8s An in-tank EFI fuel pump is the pump a fuel injected Pontiac V8 wants: submerged in fuel...More Details »
Fuel Regulators
Pontiac V8 Fuel Regulators Controlling the Pump — Fuel Regulators for Pontiac V8s A fuel pressure regulator is what keeps the pump from overwhelming what it feeds. Too much pressure...More Details »
Holley Sniper & Sniper 2 EFI Systems
Pontiac V8 Holley Sniper & Sniper 2 EFI Systems The Common Answer — Holley Sniper & Sniper 2 EFI Systems for Pontiac V8s Holley Sniper and Sniper 2 are the self-tuning throttle body...More Details »
Holley Sniper Fuel Tanks-EFI Ready
Pontiac V8 Holley Sniper Fuel Tanks-EFI Ready One Part Number — Holley Sniper Fuel Tanks-EFI Ready for Pontiac V8s A Holley Sniper EFI fuel tank system is the whole tank question...More Details »
Holley Stealth EFI Systems
Pontiac V8 Holley Stealth EFI Systems Looks Like a Carburetor — Holley Stealth EFI Systems for Pontiac V8s Holley Sniper Stealth systems are built for the owner who wants fuel...More Details »
Holley Terminator Stealth EFI Systems
Pontiac V8 Holley Terminator Stealth EFI Systems Four Injectors or Eight — Holley Terminator Stealth EFI Systems for Pontiac V8s Holley Terminator X Stealth systems are 4150-flange...More Details »
Hose & Fitting Kits
Pontiac V8 Hose & Fitting Kits One Box, One Job — Hose & Fitting Kits for Pontiac V8s Hose and fitting kits exist so you are not standing at the bench holding a hose end that does...More Details »
Hose Kits & Accessories
Pontiac V8 Hose Kits & Accessories Everything In Between — Hose Kits & Accessories for Pontiac V8s Hose kits and accessories are everything between the tank and the carburetor that...More Details »
HP
HP
Pontiac V8 HP Race Calibration — HP for Pontiac V8s The Holley HP is where the range stops pretending to be a street carburetor. There is no choke , the calibration is a race...More Details »
Ignition Boxes
Pontiac V8 Ignition Boxes Full Power Every Fire — Ignition Boxes for Pontiac V8s An ignition box stores voltage in a capacitor and dumps it into the coil on command, so the spark is...More Details »
Items 1-30 of 34

Holley Products

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Items 61-90 of 113
Description: Brawler Street carburetors are machined and assembled by craftsman right here in the USA. 850 CFM - 4150 - Mechanical Secondaries - Shiny - Gasoline
Item #: HLY-BR-67214
Condition: New
Price: $699.95

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Description: Holley Stud Kit (GM Long)
Item #: HLY-37-11QFT
Condition: New
Price: $14.89
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Description: Carburetor Diaphragm 50cc GFLT w/o Screws GFLT Diaphragms Are Compatible For Use w/All Alcohol Base Fuels
Item #: HLY-135-9
Condition: New
Price: $63.95

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Description: Clear Bowl Sight Plugs for Holley Carbs
Item #: MOR-65226
Condition: New
Price: $12.99
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Description: 255 LPH Drop-In Retrofit Carbureted Fuel System Supports up to 700 Carb HP (HP Rating @ 6 PSI at 13.5 Volts / 10.4 AMP Draw), Returnless
Item #: HLY-12-129
Condition: New
Price: $415.95

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Description: Dual fuel lines for Holley 4150 Ultra XP Carburetors w -8 O-ring XP Bowls. Fuel line with single 8AN inlet, fittings with Pro-Lite 350 hose Features: The fuel lines are 9.75” long (standard fuel...More Details »
Item #: HLY-34-43
Condition: New
Price: $259.95

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Description: Dual fuel lines for Holley 4150 Ultra XP Carburetors w -8 O-ring XP Bowls. Fuel line with single 6AN inlet, fittings with Pro-Lite 350 hose Features: The fuel lines are 9.75” long (standard fuel...More Details »
Item #: HLY-34-42
Condition: New
Price: $191.95

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Description: Carb Fuel Line Kit Fits Holley 4150 Carb 3/8'' NPT Female Inlet -06 AN Stainless Steel Hose Endura Finish Fittings
Item #: HLY-34-6000SSQFT
Condition: New
Price: $138.95

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Description: 10 micron post filter with dual 3/8" barbs
Item #: HLY-562-1
Condition: New
Price: $43.63
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Description: Holley EFI universal bypass fuel pressure regulators are for use with fuel systems in street or track applications.
Item #: HLY-12-894KIT
Condition: New
Price: $249.95

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Description: Chrome Die Cast Fuel Regulator - 60 PSI
Item #: HLY-12-882
Condition: New
Price: $103.95

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Description: Includes complete fuel system consisting of; 40ft of 3/8” Vapor Guard™ Fuel Hose, NO PUMP, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
Item #: HLY-526-10
Condition: New
Price: $399.95

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Description: Includes complete fuel system consisting of; 40ft of 3/8” Vapor Guard™ Fuel Hose, 12-920 Fuel Pump, Filters, necessary hardware and bulkhead fitting to return fuel into the tank!
Item #: HLY-526-7
Condition: New
Price: $571.95

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Description: Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Anti-Seize pre-applied to sensor threads. Service Oxygen Sensor for Sniper EFI Systems Service Oxygen Sensor for Terminator X Systems
Item #: HLY-554-155
Condition: New
Price: $169.95

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Description: Street/Strip Carbureted Applications Two Port Adjustable from 4.5 to 9 PSI
Item #: HLY-12-803
Condition: New
Price: $51.95

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Description: Pontiac HyperSpark distributor- plug and play with all Holley Sniper EFI systems
Item #: HLY-565-314BK
Condition: New
Price: $531.95


Description: Pontiac HyperSpark distributor- plug and play with all Holley Sniper EFI systems
Item #: HLY-565-314
Condition: New
Price: $478.95


Description: Holley Kickdown Throttle Bracket for 700R-4 Transmissions
Item #: HLY-49-121QFT
Condition: New
Price: $41.81
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Description: Open Carburetor Flange Gasket 1050 Carbs
Item #: HLY-108-84-2
Condition: New
Price: $23.87
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Description: Open Carburetor Flange Gasket Standard Holley Carbs
Item #: HLY-108-10
Condition: New
Price: $14.87
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Description: Holley EFI distributors are designed to plug and play with Holley EFI systems. The design includes dual Hall Effect sensors for the crankshaft and camshaft signals.
Item #: HLY-565-207BK
Condition: New
Price: $623.95


Description: Holley EFI distributors are designed to plug and play with Holley EFI systems. The design includes dual Hall Effect sensors for the crankshaft and camshaft signals.
Item #: HLY-565-207
Condition: New
Price: $623.95


Description: The #1 EFI conversion system just got better! Now choose Finish, Bluetooth or Handheld, Power Distr. Module, and Fuel System
Item #: HLY-550-511-3
Condition: New
Price: $1,449.95


Description: Billet Sniper EFI Fuel Pressure Regulator with Bracket
Item #: HLY-19-392
Condition: New
Price: $189.95

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Description: Sniper EFI HyperSpark Ignition Coil
Item #: 556-152
Condition: New
Price: $65.25

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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: $1,799.95


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: $369.95

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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: $1,649.95


Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-872
Condition: New
Price: $1,649.95


Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-870
Condition: New
Price: $1,599.95


Items 61-90 of 113