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Holley Bolt-On Fill Cap Kits
Holley bolt-on fill cap kits allow you to put a fill cap or inspection plug anywhere they're needed. These particular kits make a great alternative to a stock fuel cell cap—or if you need a fill cap for that custom oil tank or valve covers you're building. Holley bolt-on fill cap kit additional features include: * CNC-machined from 6061 T-6 billet aluminum * Bright black anodized finish for corrosion protection * 2.17 in. 4-bolt style flange * Cap features a laser-etched "Holley Equipped" logo * Bolt-on fill cap with an O-ring seal (has 1.38 in. diameter opening) * Easy-to-grip screw-on cap * Thread 1 1/2 in.-12 * Stainless steel hardware included
( 6 )
$90.45
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 )
$306.95
$208.75
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$293.95
Holley Block-Off Kit for T4 Wet Cooler Feed Ports
Holley Performance offers block-off kits for T4 wet cooler feed ports. They're ideal for LT4 engine applications, such as those found on Corvette and Camaro applications from 2015 and up. The engine water pump aluminum block-offs are red anodized for protection.
Not Yet Reviewed
$27.01
Holley Ford 7.3L Godzilla Oil Cooler Port Block-Off Plates
Holley Ford 7.3L Godzilla oil cooler port block-off plates are offered individually as service parts as they are included in Holley's accessory drive kits. When you do not wish to add an oil cooler, these anodized billet aluminum plates will bypass the IN and OUT cooler ports.
Not Yet Reviewed
$22.24
On Sale
Holley Track Series Valve Covers
Holley Track Series valve covers are GM licensed and provide an excellent way to add high-end appeal to your favorite Chevy engine. These lightweight, yet tough valve covers are constructed of 6061 T-5 sheet aluminum, precision TIG-welded for a proper fit. They feature laser-etched Chevrolet and Bowtie emblems. The covers are available in silver anodized or black coated finishes, along with various heights to clear most popular rocker arm combinations. All models include mounting hardware for quick and simple installation.
( 72 )
$235.95
$184.45
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$224.95
Holley Ford 7.3L Godzilla Oil Pan Hardware
Holley Ford 7.3L Godzilla oil pan replacement hardware is the correct choice to fit Holley's Godzilla oil pan included in their accessory drive kits. These zinc plated steel bolts are the same as the originals, and are offered with (for black anodized pan) or without (for natural finish pan) turbo oil drain port plug. Choose the proper replacement hardware for your Holley accessory drive oil pan.
Not Yet Reviewed
$41.19
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$47.09
On Sale
Holley Mid-Mount Complete Accessory Systems
Holley Mid-Mount complete accessory systems achieve what no other accessory bracket systems do--eliminate the brackets! This pulls in all the accessories tighter than other accessory drives by bolting directly to other components for a clean, integrated form. They offer superb engine visibility to show off your horsepower, not your accessories. Holley Mid-Mount complete accessory systems are available in several versions and finishes to match your application. Order the kit designed to fit your engine.
( 107 )
$4,714.95
$2,920.95
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$4,560.95
On Sale
Holley Sniper Fabricated Aluminum Valve Covers
Holley Sniper fabricated aluminum valve covers deliver high-end looks without the high-end price! They're constructed from 6061 T-5 sheet aluminum and precision TIG-welded for a proper fit. Plus, they feature thick one-piece CNC billet flanges for superior sealing. Sniper valve covers are available in your choice of natural or black powdercoat finishes, as well as with or without breather openings—and heights to clear most popular rocker arm combinations. Holley includes mounting hardware for quick and simple installation. Order a pair for fitment on your particular engine application.
( 87 )
$224.95
$195.95
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$315.95
