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 1-17 of 17
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: $205.95
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: $147.95
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: $1,299.95
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: $1,668.95
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 4 Left!
Price: $1,291.95
Sale: Add to Cart to see Price
Description: 900 CFM supports up to 800HP N/A with 4x 120 Lb/Hr Injectors
Item #: HLY-550-542
Condition:
New
Price: $1,619.95
Description: Supports Up To 1500HP - 3.5 in. Handheld Monitor - 8x100 LB/HR Injectors
Item #: HLY-550-841
Condition:
New
Price: $2,217.95
Sale: $1,774.36
Save: 20%
Save: $443.59
Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Black Finish
Item #: HLY-550-871
Condition:
New
Price: $1,467.95
Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish
Item #: HLY-550-872
Condition:
New
Price: $1,467.95
Description: 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Shiny Finish
Item #: HLY-550-870
Condition:
New
Price: $1,404.95
Description: Supports Up To 1250HP Boosted - 3.5 in. Handheld Monitor - Carburetor Styling
Item #: HLY-550-877
Condition:
New
Price: $2,110.95
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
Free Shipping!
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: $2,000.95
Free Shipping!
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
Free Shipping!
Description: The Power Distribution Module (PDM) is a cost-effective and optional accessory that isolates the core of your EFI and ignition wiring into one, easy to use location.
Item #: HLY-554-200
Condition:
New
Price: $153.95
Description: With over twice the resolution and improved color depth, the new 5-inch Digital Dash for the Sniper EFI family provides enhanced functionality at your fingertips
Item #: HLY-553-200
Condition:
New
Price: $433.95
Description: SNIPER EFI TO HOLLEY EFI DUAL SYNC DISTRIBUTOR ADAPTER HARNESS
Item #: HLY-558-493
Condition:
New
Price: $42.99
Items 1-17 of 17