Butler Performance Inc. » 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.
Browse EFI Systems & Components Products
Items 1-30 of 40
- Page 1 of 2
- Next
Description: 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
Item #: HLY-550-513
Condition:
New
Price: $1,947.95
Description: 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-517
Condition:
New
Price: $1,899.95
Description: 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-512
Condition:
New
Price: $1,947.95
Description: 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
Item #: HLY-550-519
Condition:
New
Price: $1,557.95
Description: 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-520
Condition:
New
Price: $1,557.95
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
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
Limited Supply: Only 1 Left!
Price: $1,259.95
Sale: $999.00
Save: 21%
Save: $260.95
Description: The Sniper 2 EFI Bluetooth Module allows you to wirelessly connect to your vehicle's EFI system using Bluetooth technology.
Item #: HLY-558-498
Condition:
New
Price: $199.95
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: $139.95
Description: The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that...More Details »
Item #: HLY-550-511-3X
Condition:
New
Price: $1,299.95
Description: The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. We took everything that...More Details »
Item #: HLY-550-510-3X
Condition:
New
Price: $1,299.95
Description: 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
Item #: HLY-550-513
Condition:
New
Price: $1,947.95
Description: 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-517
Condition:
New
Price: $1,899.95
Description: 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-512
Condition:
New
Price: $1,947.95
Description: 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Ceramic Finish
Item #: HLY-550-519
Condition:
New
Price: $1,557.95
Description: 650 HP Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-520
Condition:
New
Price: $1,557.95
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
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
Limited Supply: Only 3 Left!
Price: $1,259.95
Sale: $999.00
Save: 21%
Save: $260.95
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-550-516
Condition:
New
Limited Supply: Only 3 Left!
Price: $1,291.95
Sale: Add to Cart to see Price
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
Limited Supply: Only 1 Left!
Price: $1,259.95
Sale: $999.00
Save: 21%
Save: $260.95
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
Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Finish
Item #: HLY-550-871
Condition:
New
Price: $1,424.95
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
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
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
Free Shipping!
Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-870
Condition:
New
Price: $1,363.95
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
Items 1-30 of 40
- Page 1 of 2
- Next