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On Sale
Holley LS Coil Harnesses
Holley LS coil harnesses are factory replacements for stock LS coils. These EFI LS coil sub harnesses are intended to be used with factory LS coils and various Holley EFI main harnesses with coil-on-plug connectors. They are built with the same high-quality connectors and wire loom found on all Holley EFI harnesses, guaranteeing a perfect match in your engine bay. Are you tired of scouring the junkyard for stock LS coil sub harnesses? Holley has the solution. Holley LS coil harnesses feature: * OEM connectors provide a secure connection between your ECU and Ignition Coils * Techflex F6 braided wire loom keeps your engine bay looking clean, while providing abrasion resistance * Plug-and-play fitment * Can be used to replace a damaged factory coil harness
( 18 )
$204.95
$184.45
On Sale
Holley LS Hi-Ram Fuel Rail Adapter Kits
Holley LS Hi-Ram fuel rail adapter kits are designed to enable correct placement of your fuel rail when using a short style injector versus the taller LS1 style. These kits include high-volume fuel passage rails to allow for high-horsepower applications and to dampen fuel pressure oscillations. Holley kits also include: * Fuel rail adapters * Mounting hardware * Injector O-rings * Installation instructions
( 2 )
$255.95
$230.35
On Sale
Holley EFI Fuel Rails
These machined aluminum EFI fuel rails are capable of handling 1,100+ hp engines. They feature a large inner diameter bore to decrease fuel pressure drop and help cancel out back pulses.
( 54 )
$245.95
$221.35
On Sale
Holley Throttle Body Intake Elbows
Holley throttle body intake elbows feature a dual throttle body bolt pattern, and fit any intake manifold with 4150 or Dominator mounting flange. They also have a 105mm throttle body opening and a 100 degree mounting angle with slotted mounting holes. Constructed from cast aluminum, they include a MAP sensor port cover, gaskets, and hardware.
( 13 )
$225.95
$203.35
On Sale
Holley Spark Plug Wires
Holley spark plug wires will energize your project! They offer a variety of styles and configurations for countless vehicles from the 1990s and up. The wires are available assembled or cut-to-fit. Whether you're looking for high-temperature protection, race, street, motorcycle, or stock replacement, Holley has the right spark plug wires to match your needs—and supply the juice you desire. Order the set recommended for your application.
( 15 )
$204.95
$184.45
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$191.95
On Sale
Holley Replacement Crankshaft Pulleys
Holley replacement crankshaft pulleys are made from steel and finished in black. These are the correct components and service parts for your Holley mid-mount accessory drive kits.
Not Yet Reviewed
$204.95
$184.45
On Sale
Holley Sniper EFI Fuel Rails
Holley Sniper EFI fuel rails hit the mark every time--on time! It's not enough to shoot fuel to your injectors; the process must be consistent and precise for efficient engine performance. Holley Sniper kits will deliver the performance, and they feature billet aluminum rails with a black anodized finish and a laser-engraved Sniper logo. If your target is the optimum delivery of fuel, equip your manifold with Holley Sniper EFI fuel rail kits.
( 40 )
$193.95
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$217.95
$174.55
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$196.15
On Sale
Holley LS Valley Covers
Holley LS valley covers are the latest accessories offered for the GM LS engine platform. These covers install between the two banks of cylinder heads, depending on your usage of knock sensors, displacement on demand, and active fuel management. They're available in a cast aluminum finned design to match Holley's popular valve covers, as well as a billet aluminum trussed version for a race-inspired look. The valley pan covers are offered in a variety of finishes.
( 2 )
$231.95
$196.95
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$208.75
On Sale
Holley EFI Dominator Transmission Harnesses
Holley EFI Dominator transmission harnesses provide control of your Tremec. The harnesses are terminated for VSS, reverse lockout, and reverse lights. Choose the one designed for your build.
( 1 )
$233.95
$210.55
