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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
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$88.25
Hybrid Racing V2 slim oil caps are an elegant balance of form and function. Taking inspiration from fuel doors used by the aerospace industry, these caps are clean in appearance, provide improved valve cover to hood clearance, and are super easy to remove. Plus, they are for use on all Honda® and Acura® vehicles, and are available in Dust Black or Dust Red with inner design machining and crisp etching. Order your color today!
Not Yet Reviewed
$82.64
Dress up your engine compartment while keeping oil in its place and the dirt at bay with Summit Racing™ valve cover oil fill caps. They're manufactured from high-quality material, providing a proper fit and seal to prevent oil loss. These round, steel caps are available to fit a variety of applications, including GM, Mopar, Ford, AMC, Jeep, and other make/model vehicles. Whatever your part needs, chances are Summit Racing™ has it!
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$50.99
Mishimoto Hoonigan oil filler caps deliver awesome style, plus matching bottle opener/multi-tool keychains. Teaming up with Hoonigan, an automotive culture powerhouse, Mishimoto engineered these limited-edition caps to endlessly drip style--not oil. They are CNC-machined from 6061billet aluminum and equipped with high-quality O-rings to ensure a tight seal. The bottle opener is also CNC-machined from billet aluminum. They are available anodized in either red or silver. Dress your engine bay for fun and excitement with the big "H" of Hoonigan oil filler caps from Mishimoto.
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$69.95
aFe oil fill caps provide reliable performance with eye-catching good looks you'll love! Constructed from durable CNC-machined T-6061 billet aluminum, these caps are made to be strong, and come equipped with a new O-ring style gasket to ensure a positive seal. aFe oil fill caps have a flawless matte black finish with sleek black chrome screws surrounding the aFe logo.
Not Yet Reviewed
$86.10
Your oil filter is a key component in keeping your engine running smoothly. These Dorman oil filter canister caps are made of materials that meet or exceed your original equipment. Make sure that you keep your ride at its peak performance with Dorman oil filter canister caps.
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$64.99
ACDelco Gold engine oil filter covers are high-quality replacements for many vehicles on the road today. They are primarily used on cartridge oil filters and protect the paper filtering media from debris and other outside contaminants that can damage the filter. These premium aftermarket oil filter covers are manufactured to meet or exceed your expectations for fit and performance.
Not Yet Reviewed
$89.99
Add function and style to your engine bay with one of these Mishimoto valve cover oil fill caps. They include an O-ring that ensures a tight seal—and the Mishimoto name on top shows everyone who peeks under the hood that only top-quality parts are on your car. They're manufactured from aluminum and available in different anodized finishes to fit your styling preference.
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$57.95
INA overrunning alternator pulleys are accessory drive solutions. In contrast to traditional rigid belt pulleys, these OAPs allow rotational movement to dampen vibrations, extending the service life of all accessory drive components. They are able to minimize disturbances from rotational irregularities in the accessory drive, resulting in a smooth ride, less noise, increased alternator efficiency, and reduced fuel consumption. The surface of INA overrunning alternator pulleys is corrosion-resistant and their plastic caps protect against dirt.
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$51.99
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$107.99
These great looking Trick Flow® oil fill kits are specially made to work with small block EFI Fords with Trick Flow® short valve covers. Made from billet aluminum, they come with a vacuum fitting, O-ring cap, and clear corrosion-resistant finish for long life.
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$79.99
ZZPerformance offers modular supercharger pulleys for a variety of applications, including 2004-05 Buick, Chevy, and Pontiac engines. The aluminum pulleys are available in a range of outside diameters, with a black or clearcoat finish. Each pulley system includes hub, pulley of your choice, five stainless socket cap button screws, and one barbed retainer to replace the breather bolt. After removing the stock pulley, the ZZP steel hub presses on using the same pulley tool used to remove the factory pulley. No jaw-style puller should be used to remove a supercharger pulley. If it is used, it will destroy the pulley and possibly damage the supercharger. Once installed, the hub allows quick-changing of pulleys with an Allen wrench. The ZZP modular pulley system (MPS) allows you to change between pulleys depending on conditions; use one pulley for street use and a smaller for the track or when running high octane fuel. An MPS is a must for those planning to continue to modify their car in the future. ZZPerformance pulleys come with eight ribs on them, but a 6-rib belt will still work completely fine. * Fits: -- Pontiac Grand Prix GTP or 06+ GT -- Buick Regal GS -- Pontiac Bonneville SSEi -- 2004+ Impala SS -- 2004+ Monte Carlo SS * Pulley recommendations: -- 3.5 pulley for 01-03 GTP/GS with ZZP PCM, Tstat, colder plugs, bolt in downpipe, and a cold air intake -- 3.5 in. for 2004+ Grand Prix recommended for cars with 1.9 rockers, Tstat, colder plugs, some exhaust work, and a cold air intake -- 3.4 in. for 1997-2000 GTP/GS with ZZP PCM, Tstat, colder plugs, bolt in downpipe, and a cold air intake -- 3.3 in. pulley requires a small cam or headers or any SS intercooler -- 3.2 in. pulley requires a XP cam or a SS intercooler with 1.9 rockers -- 3.0 in. pulley requires larger injectors and a full-size intercooler -- 2.8 in. pulley requires a cam, intercooler, and headers
Not Yet Reviewed
$59.99
ACDelco offers valve covers for a wide range of vehicle and engine applications. They're available in many styles, materials, finishes, and other options—combining performance and good looks under the hood. Their durable construction resists warping and maintains shape at the rails for excellent gasket sealing. Nearly a hundred models are available; select the replacement valve covers recommended for your ride.
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$86.99
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$103.99
Aeroquip quick-drain oil pan couplings are great for street rides, hot rods, race cars, or anything else that you need to cleanly drain fluid from efficiently. They eliminate the potential for spillage by draining directly into a waste container and make changing your oil quick, clean, and fun.
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$64.99
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