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Holley Muscle Series centerbolt valve covers present a no-frills, modern style with prominent raised GM "Chevrolet and Bowtie" logos. Intended as an alternative to the existing GM ZZ6 accessories, a Holley GM Muscle Series cover is the perfect addition to your engine bay if you're searching for a subtle custom variation from the OEM options. They feature a generous internal height for exceptional valve train clearance, and include pre-installed internal baffling, polished mounting hardware, and oil fill/PCV grommets. Holley Muscle Series centerbolt valve covers feature: * Clean, modern styling with high-definition "Chevrolet and Bowtie" logo * Specifically designed for GM ZZ6 engines, but will fit all small block Chevy applications with center bolt-style cylinder heads * Diecast aluminum construction ensures high detail and reduces the opportunity for warping of the valve cover flange and oil leaks * Emissions-compliant valve covers include pre-installed internal oil baffles, as well as an oil fill plug and PCV grommet * Multiple finishes are available
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$411.95
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$419.95
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Holley aluminum LS valve covers will give your Chevrolet LS Series engines a totally new look. Manufactured from cast aluminum, they come in four different finishes, and feature a billet aluminum oil fill cap. Some valve covers in this series eliminate the need for the factory ignition coil bracket. Instead, the coils bolt directly to the valve covers for a nice angled look! Holley aluminum LS valve covers reuse the factory gaskets and bolts, will work with .750 in. lift camshafts using stock-style rocker arms, and fit all ignition coils with 72mm spacing.
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$771.95
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Mopar's popular Gen III Hemi engines are ideal for swapping into muscle cars since they are durable, reliable, and make great power. The factory oil pans that come on these engines usually do not fit and hang too low for your swap. Holley Gen III Hemi retrofit oil pans' cast aluminum construction and integrated windage tray combined with the O-ring sealing provide an attractive leak-free solution for your engine swap. With the included pickup assembly and mounting bolts, Holley Gen III Hemi mid-sump engine swap oil pans have everything you need for installation.
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$522.95
$339.95
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$534.95
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Put your Holley pride on display with a set of attractive Vintage Series valve covers. Their die-cast aluminum construction ensures high detail, while reducing the opportunity for oil leaks and warping of the flange. Choose from among a half-dozen finishes to give your engine a clean, professional look. The vehicle-specific covers are available for every model year dating as far back as 1958.
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$699.95
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Holley's 2-piece LS valve covers are a great way to update the look of your LS engine without the use of complicated adapter systems or the hassle of remote coil relocation. These modular LS valve covers feature an OE height, internally baffled LS valve cover base with integrated coil mounts for popular Gen I and Gen V style LS coil bodies, and a Ford style overcover that hides the unsightly LS coils and messy wiring harness. This allows the full performance benefits of coil-on-cover ignition setups without the robotic styling. These coil covers also feature cast-in provisions for the spark plug boots and coil wiring harness, so no extensions or custom wiring is required. Each 2-piece LS valve cover set includes a low-profile billet oil fill cap, hardware and spacers for mounting both versions of LS coil bodies, plus dress-up hardware and rubber grommets for the coil covers. The modular LS valve covers are available in three custom finishes: natural cast, polished, and satin black. Features: * Cast aluminum 2-piece LS valve covers designed to mount and hide both Gen I and Gen V style LS coil bodies * Retain the performance of factory coil-on-cover ignition without the unsightly styling * Coil cover features vintage Ford valve cover styling and cast-in wiring provisions * Base fits LS1, LS2, LS3, LS6 and LS7 engines with clearance for .750 in. lift cam with stock-style rocker arms * Base features internally baffled ventilation system * No coil relocation, wire harness extensions, or custom spark plug wires required * Includes low-profile billet oil fill cap * Includes all necessary coil mounting provisions and dress-up hardware
Not Yet Reviewed
$481.95
$265.95
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$573.95
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.
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$208.75
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$308.95
On Sale
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.
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$217.95
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$308.95
Holley's mid-mount accessory drives are available for small-block Ford engines. These systems have all accessories pulled in tighter than other accessory drives. At their heart is a "bracket-less" mounting design—the accessories mount directly to a uniquely designed timing cover for a clean, integrated form. This product offers superb engine visibility to show off your engine, not unsightly accessory brackets. The premium alternator utilizes 6-phase technology as found on the C7 Corvette and only requires a one-wire hookup. The water pump cartridge also shares its design efficiencies with that of the C7 Corvette. A compact and reliable SD7 A/C compressor and Type II power steering pump with baffled reservoir are also integrated. This system design provides two heater hose return port locations (upper top and passenger-side low). The mid-mount system comes complete with everything you need: the water pump, A/C compressor, alternator, and power steering pump with reservoir. All pulleys and the belt are supplied, along with heater hose adapters, power steering to-6 AN hardline, and the alternator plug/harness. Color graphical instructions walk you through every step for an easy installation. Systems are available with a natural or black finish. Features and benefits: * Bracket-less accessory mounting integrated with supplied front timing cover assembly means this kit will work on all block deck heights * Water pump inlet pipe mounts for either driver or passenger side lower radiator hose routing; timing cover also has mounting for driver or passenger side ignition timing pointers to accommodate all needs * Two return heater hose ports (upper center and pass-side low) with hose adapter/port plug included for a complete solution * Crankshaft belt pulley configured for 3 or 4-bolt crank dampers; spacer P/Ns 97-446, 97-447, or 97-448 are available for purchase to adjust for different OE crank damper pulley flange depths * Power steering may be deleted with a drivebelt change; see installation instructions for the commonly available drive belt required * A mechanical fuel pump may be used with this kit. See installation instructions for required timing cover mod to be performed; and the power steering pump will need relocation (use kit 97-436); a remote mounted P/S reservoir is also required * C7 LT1 style premium alternator, 150 amp * C7 LT1 style water pump design * Compact SD7 A/C compressor * Type II power steering pump with baffled reservoir * P/S adapter hardline to-6 AN adapter included * OE pulley ratios for optimal accessory performance
Not Yet Reviewed
$2,549.95
Holley LS valve cover bolt kits are hardware assemblies developed specifically for Holley tall LS valve covers. Available as a single service component or a full set of eight, each bolt assembly features a polished valve cover bolt (M6 x 1.0 threads), aluminum spacer, and OE-style grommet. If you're dealing with lost or damaged fasteners for your tall LS valve covers, don't fret—order Holley LS valve cover bolt kits.
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$11.19
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$76.35
Holley modular LS Pontiac-style valve covers feature an OE height, internally-baffled base with integrated coil mounts for popular Gen I and Gen V-style LS coil bodies. The overcovers hide the unsightly LS coils and messy wiring harness—allowing the full performance benefits of coil-on-cover ignition setups without the robotic styling. Each modular coil cover features a simulated oil fill cap which helps maintain the original Pontiac styling. The coil cover also features cast-in provisions for the spark plug boots and coil wiring harness, so no extensions or custom wiring is required. Holley's 2-piece LS Pontiac-style valve covers offer a great way to update the look of your LS engine without the use of complicated adapter systems or the hassle of remote coil relocation! More product features and items include: * Available in various finishes * Base fits LS1, LS2, LS3, LS6, and LS7 engines with clearance for 0.750 in. lift cam with stock style rocker arms * Base features internally baffled ventilation system * Each 2-piece LS valve cover set includes a low-profile billet oil fill cap, 2 billet simulated fill cap assemblies, hardware, and spacers for mounting both versions of LS coil bodies * Dress-up hardware and rubber grommets for the coil covers
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$586.95
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$599.95
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