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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 1-8 of 8
Description: CAN Wiring Harness, Extension Harness, 12 ft Long, Black Rubber Coated, Each
Item #: HLY558-426
Condition: New
Limited Supply: Only 5 Left!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $68.28
Sale: $61.45
Save: 10%
Save: $6.83

Description: CAN Wiring Harness, Extension Harness, 8 ft Long, Black Rubber Coated, Each
Item #: HLY558-425
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: CAN Wiring Harness, Extension Harness, 9 in Long, Black Rubber Coated, Each
Item #: HLY558-428
Condition: New
Limited Supply: Only 4 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: CAN Wiring Harness, Male To Female Adapter, 4 ft Long, Black Rubber Coated, Each
Item #: HLY558-452
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!
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $36.26
Sale: $32.63
Save: 10%
Save: $3.63

Description: Gauge Wiring Harness, Analog Gauges, Holley EFI CAN Gauges, Universal, Kit
Item #: HLY554-130
Condition: New
Same Day Shipping!
Orders over $149 ship free. Oversize items are excluded.
Price: $137.00
Sale: $122.95
Save: 10%
Save: $14.05

Description: Engine Wiring Harness, Holley Smart Coils, Ford Modular, Each
Item #: HLY558-113
Condition: New
Ships direct from manufacturer.
FREE SHIPPING!
Free Ground Shipping
Price: $775.00
Sale: $696.95
Save: 10%
Save: $78.05


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

Items 1-8 of 8

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!