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Wiring And Relays

Wiring Harness and Relays Kits are the Ideal way to Wire High Amperage Components Like Fuel Pumps, Electric Cooling Fans, or Electric Water Pumps.

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Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!

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Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Read More...

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