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Holley EFI
Holley is quickly becoming The New Standard In EFI! Holley’s HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro and Holley’s EFI throttle body powers every NASCAR Sprint Cup Series™ team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All-Star race. But that’s not all. The world’s best hot rod builders and tuners are making the switch to Holley EFI. Builders like Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year and tuners like Steve Morris who use it to build some of the baddest forced induction beasts on the planet. It’s the easiest, most refined, feature-rich system that money can buy. But, don’t take our word for it, see what the best are saying about Holley EFI!

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Items 1-20 of 20
Description: Wire, 20 Gauge, 100 ft Roll, 3 Conductor, Plastic Insulation, Copper, Black, Each
Item #: HLY572-104
Condition: New
Limited Supply: Only 7 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $145.00
Sale: $129.95
Save: 10%
Save: $15.05

Description: Wire, 20 Gauge, 25 ft Roll, 3 Conductor, Plastic Insulation, Copper, Black, Each
Item #: HLY572-103
Condition: New
Limited Supply: Only 7 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $39.33
Sale: $35.40
Save: 10%
Save: $3.93

Description: Wire, 20 Gauge, 25 ft Roll, 7 Conductor, Plastic Insulation, Copper, Black, Each
Item #: HLY572-100
Condition: New
Limited Supply: Only 8 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $75.11
Sale: $67.60
Save: 10%
Save: $7.51

Description: Electrical Connector, 8 Pin, Male, Plastic, Inlet / Outlet, Kit
Item #: HLY570-200
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $9.47
Sale: $8.52
Save: 10%
Save: $0.95

Description: Connector and Pin Kit, J1A / J2B / J3 / J4 Plugs, Holley Dominator EFI, Kit
Item #: HLY570-346
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $45.50
Sale: $40.95
Save: 10%
Save: $4.55

Description: Data Transfer Cable Adapter, 2 Pin Harness to CAN, Each
Item #: HLY558-430
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $36.26
Sale: $32.63
Save: 10%
Save: $3.63

Description: Wiring Harness Adapter, Delphi M/P 3 Pin to Delphi GT 3 Pin, GM LS-Series, Each
Item #: HLY558-467
Condition: New
Limited Supply: Only 3 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $27.19
Sale: $21.28
Save: 22%
Save: $5.91

Description: ECM Calibration Select Switch, Key Selector, 4 Separate Maps, Holley Dominator EFI, Kit
Item #: HLY558-407
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $149.00
Sale: $133.95
Save: 10%
Save: $15.05

Description: Fuel Injector Connectors, EV1 / Minimeter Style, Set of 8
Item #: HLY534-112
Condition: New
Limited Supply: Only 2 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $56.89
Sale: $51.20
Save: 10%
Save: $5.69

Description: EFI Wiring Harness, Ignition Adapter Harness, Ford TFI Distributor to Holley Avenger / Hp / Dominator EFI, Each
Item #: HLY558-305
Condition: New
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Orders over $149 ship free. Oversize items are excluded.
Price: $115.00
Sale: $102.95
Save: 10%
Save: $12.05

Description: EFI Wiring Harness, Ignition Adapter Harness, GM Small Cap HEI Distributor to Holley Avenger / Hp / Dominator EFI, Each
Item #: HLY558-304
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $51.19
Sale: $46.07
Save: 10%
Save: $5.12

Description: Electrical Connector, 8 Pin, Female, Plastic, Input / Output, Kit
Item #: HLY570-209
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $9.06
Sale: $8.15
Save: 10%
Save: $0.91

Description: Connector and Pin Kit, J2A / J2B / J3 / J4 Plugs, Holley Dominator EFI, Kit
Item #: HLY558-408
Condition: New
Same Day Shipping!
FREE SHIPPING!
Free Ground Shipping
Price: $200.00
Sale: $179.95
Save: 10%
Save: $20.05

Description: Wiring Harness Adapter, LS Main Harness to LS3 Map Sensor, Each
Item #: HLY558-416
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $39.80
Sale: $35.82
Save: 10%
Save: $3.98

Description: Wiring Harness Adapter, MPDI Map Sensor to Delphi GT Sensor, Each
Item #: HLY558-466
Condition: New
Limited Supply: Only 3 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $39.80
Sale: $35.82
Save: 10%
Save: $3.98

Description: Transbrake Protection Module, Transbrake Input, Holley EFI, Kit
Item #: HLY554-128
Condition: New
Limited Supply: Only 9 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $51.19
Sale: $46.07
Save: 10%
Save: $5.12

Description: Wiring Harness Adapter, Terminator X, Wideband, Each
Item #: HLY558-463
Condition: New
Limited Supply: Only 8 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $56.89
Sale: $51.20
Save: 10%
Save: $5.69

Description: Weather Pack Pin, 20-24 Gauge Wire, Set of 100
Item #: HLY571-135
Condition: New
Limited Supply: Only 9 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $56.89
Sale: $51.20
Save: 10%
Save: $5.69

Description: Weather Pack Pin, 18-16 Gauge Wire, Male, Set of 100
Item #: HLY571-136
Condition: New
Limited Supply: Only 6 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $56.89
Sale: $51.20
Save: 10%
Save: $5.69

Description: EFI Wiring Harness, Ignition Adapter Harness, HyperSpark Distributors to Holley EFI, Each
Item #: HLY558-323
Condition: New
Limited Supply: Only 4 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $39.80
Sale: $35.82
Save: 10%
Save: $3.98

Items 1-20 of 20

More About Holley EFI

Holley is quickly becoming The New Standard In EFI! Holley’s HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro and Holley’s EFI throttle body powers every NASCAR Sprint Cup Series™ team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All-Star race. But that’s not all. The world’s best hot rod builders and tuners are making the switch to Holley EFI. Builders like Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year and tuners like Steve Morris who use it to build some of the baddest forced induction beasts on the planet. It’s the easiest, most refined, feature-rich system that money can buy. But, don’t take our word for it, see what the best are saying about Holley EFI!