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Description: Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more. Got a stock LS engine? Simply download a base...More Details »
Item #: 550-603N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,969.95
Free Basic Shipping
Description: Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness...More Details »
Item #: 550-604
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,609.95
Free Basic Shipping
Description: Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness...More Details »
Item #: 550-604N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,869.95
Free Basic Shipping
Description: Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are...More Details »
Item #: 550-606
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,609.95
Free Basic Shipping
Description: Looking for a alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are...More Details »
Item #: 550-606N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,869.95
Free Basic Shipping
Description: Looking for an alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits...More Details »
Item #: 550-605
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,609.95
Free Basic Shipping
Description: Looking for an alternative for your stock or built late model factory FORD EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits...More Details »
Item #: 550-605N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,869.95
Free Basic Shipping
Description: This is a Holley HP EFI Fuel Injection System with Ti-VCT Controller for Ford Coyote 2011-2017 engines! Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have...More Details »
Item #: 550-619N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $3,599.95
Free Basic Shipping
Description: This is a Holley HP EFI Fuel Injection System with Ti-VCT Controller for Ford Coyote 2011-2017 engines! Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have...More Details »
Item #: 550-619
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $3,349.95
Free Basic Shipping
Description: This is a Holley HP EFI Fuel Injection System with Ti-VCT Controller for Ford Coyote 2013-2015.5 engines! Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you...More Details »
Item #: 550-625N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $3,949.95
Free Basic Shipping
Description: This is a Holley HP EFI Fuel Injection System for Ford Coyote 2015-2017 engines! Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine...More Details »
Item #: 550-628N
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,969.95
Free Basic Shipping
Description: This is a Holley HP EFI Multi Port Injection System for V8 Universal Retrofit! Do you have a Mopar, Ford or other type engines you want to install multi-port fuel injection on? No, problem, the...More Details »
Item #: 550-500
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $3,749.95
Free Basic Shipping
Description: This is a Holley HP EFI Multi Port Injection System for V8 Universal Retrofit! Do you have a Mopar, Ford or other type engines you want to install multi-port fuel injection on? No, problem, the...More Details »
Item #: 550-501
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $4,749.95
Free Basic Shipping
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 #: 550-511-3XK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,799.95
Free Basic Shipping
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 #: 550-511-3PX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,499.95
Free Basic Shipping
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 #: 550-511-3XD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,999.95
Free Basic Shipping
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 #: 550-511-3XR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,999.95
Free Basic Shipping
Description: Introducing the Sniper 2 EFI Bluetooth Module - the cutting-edge solution to take your vehicle's performance to the next level. This high-tech module is designed for Sniper 2 EFI systems, providing...More Details »
Item #: 558-498
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $228.95
Free Basic Shipping
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 #: 550-511-3XX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,399.95
Free Basic Shipping
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 #: 550-510-3XX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,399.95
Free Basic Shipping
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 #: 550-511-5XK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,949.95
Free Basic Shipping
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 #: 550-510-5XK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,949.95
Free Basic Shipping
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 #: 550-511-5PX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,649.95
Free Basic Shipping
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 #: 550-510-5PX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,649.95
Free Basic Shipping
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 #: 550-511-5XR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,149.95
Free Basic Shipping
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 #: 550-510-5XR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,149.95
Free Basic Shipping
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 #: 550-511-5XD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,149.95
Free Basic Shipping
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 #: 550-510-5XD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,149.95
Free Basic Shipping
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 #: 550-511-5XX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,549.95
Free Basic Shipping
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 #: 550-510-5XX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,549.95
Free Basic Shipping
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 #: 550-511-5PK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,049.95
Free Basic Shipping
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 #: 550-510-5PK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,049.95
Free Basic Shipping
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 #: 550-511-5PR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,249.95
Free Basic Shipping
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 #: 550-510-5PR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,249.95
Free Basic Shipping
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 #: 550-511-5PD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,249.95
Free Basic Shipping
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 #: 550-510-5PD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $2,249.95
Free Basic Shipping
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 #: 550-511-BXK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,699.95
Free Basic Shipping
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 #: 550-510-BXK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,699.95
Free Basic Shipping
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 #: 550-511-BPX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,399.95
Free Basic Shipping
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 #: 550-510-BPX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,399.95
Free Basic Shipping
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 #: 550-511-BXR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,899.95
Free Basic Shipping
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 #: 550-510-BXR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,899.95
Free Basic Shipping
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 #: 550-511-BXD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,899.95
Free Basic Shipping
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 #: 550-510-BXD
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,899.95
Free Basic Shipping
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 #: 550-511-BXX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,299.95
Free Basic Shipping
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 #: 550-510-BXX
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,299.95
Free Basic Shipping
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 #: 550-511-BPK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,799.95
Free Basic Shipping
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 #: 550-510-BPK
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,799.95
Free Basic Shipping
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 #: 550-511-BPR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,999.95
Free Basic Shipping
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 #: 550-510-BPR
Condition:
New
FREE shipping to the USA and it's territories on ALL Holley products
Price: $1,999.95
Free Basic Shipping
