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Manley Severe Duty series performance valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are made of superior materials, are fully machined and swirl polished, and are available with either undercut "Pro Flo" stems or straight stems.
( 17 )
$22.45
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$286.72
$21.33
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$272.38
On Sale
COMP Cams Xtreme Energy camshafts employ the latest cam technology to provide maximum performance. Whether your use is off-roading, towing, or street performance, there's an Xtreme Energy cam available for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers—while delivering increased engine vacuum. Hundreds of models are available for fitment on vehicles from 1955 to the present. Select the cam designed for your application.
( 340 )
$531.95
$425.56
On Sale
Manley Race series performance valves are a great choice for your bracket, oval track, or high performance street engine. All valves are made from stainless steel (intakes are NK-842; exhausts are XH-426) with chrome stems and hardened valve tips. In addition to being made from high-quality materials, Race series valves are swirl polished and fully machined.
( 76 )
$22.45
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$537.42
$21.33
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$510.55
On Sale
COMP Cams Mutha Thumpr hydraulic roller camshafts are manufactured to the strictest tolerances, rigorously tested and are checked for quality. The Thumpr lobe profiles are designed to optimize the character and sound, while providing excellent stability and a very wide power range—specific profiles are developed uniquely for the intake and exhaust. Have you ever been to the races and heard how nasty the cams sound? The Thumpr series of cams give you everyday drivability but have that nasty race engine growl! COMP Cams competitive drive, superior engineering, and cutting-edge technology is what keeps them at the fore front from any other camshaft manufacturer. So ... pick the cam for your application, then add a set of hydraulic lifters—and you will be the talk of the town!
Not Yet Reviewed
$531.95
$425.56
On Sale
COMP Cams Magnum solid roller camshafts are designed for everyone from the serious street performance enthusiast—to the all-out competition drag racer. Whether you're driving a street rod or show car with power accessories … or a super gas, super competition car on alcohol, one of these cams will fit your engine's needs.
( 8 )
$531.95
$425.56
On Sale
Looking for an easy way to advance or retard your cam? Look no further than these bushing sets from Mr. Gasket. Use the bushings to advance the cam for more low-end torque and mid-range horsepower, or reduce excessive low-end torque and increase top-end horsepower by retarding the cam. These sets include four offset bushings and one zero degree bushing to return your timing back to stock.
Not Yet Reviewed
$48.61
$26.74
On Sale
Manley Severe Duty Pro Flo Series intake and exhaust valves are a great choice for your high performance or race engine. All valves are made from stainless steel (intakes are NK-844; exhausts are XH-428) with chrome stems and hardened valve tips. Severe Duty series valves are fully machined and swirl polished, and offer improved flow with undercut "Pro Flo" stems. Many size options are available, for applications from 1955 and up.
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$22.45
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$289.75
$21.33
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$275.26
On Sale
Manley 7 degree machined valve locks are crafted from hardened steel or high-quality alloy steel. Designed for mildly modified engines, these valve locks are heat-treated for strength and are available in conventional or beadlock groove style. Choose the valve stem diameter needed for your application, and order the quantity needed for your valve project.
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$4.64
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$74.08
$4.41
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$70.38
On Sale
Manley crankshaft gear spacers are designed to be used with the Manley Pro Series stroker crankshafts that fit 5.7L and 6.4L Mopar Hemi VVT engines.
( 2 )
$34.39
$32.67
On Sale
Crown Automotive timing chain sets will increase your drivetrain power and efficiency during off-road exploration and everyday commutes. Depending on the set you choose, these replacement kits can include components such as steel crank and cam sprockets, a timing chain, gears, gaskets, and more. Crown timing chain sets are available for a wide range of vehicles, including many Jeep and Mopar models.
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$56.99
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$373.99
$51.29
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$336.59
On Sale
Replace your worn or ticking lifters with premium-quality valve lifters from Crown Automotive. They're available in a variety of hydraulic styles—such as flat tappet, roller, and lash adjuster. Order the model designed for fitment on your specific vehicle.
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$146.99
$13.49
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$132.29
On Sale
Standard Motor engine variable timing sprockets will restore your vehicle's drivability. Designed to match OE performance, these SMP units are precision-machined to ensure accurate variable valve timing and correct rough idle. And, once installed, the cam phasers can help to reduce emissions and improve vehicle efficiency. Choose quality parts to get the job done right the first time; choose Standard Motor engine variable timing sprockets.
( 8 )
$98.99
$89.09
On Sale
Manley Race Master valves are designed and engineered to withstand the abuse of the track. Race Master valves are targeted by the bracket, drag, and oval track racers, or even those with modified street engines that are operating at engine speeds below 8,000 rpm. These valves are constructed from XH-426 material for the exhaust and NK-842 for the intake valves, making them the strongest valves in their class. Whether everything is on the line at the track, or you just enjoy your high performance car or motorcycle on the street, trust Race Master valves by Manley to keep you on the move. Order the model designed for your vehicle year/make and engine application.
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$236.26
$21.33
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$224.45
On Sale
Crown Automotive rocker arm hold-down bolts are high-quality steel bolts made to fit specific applications. These pivot bolts are used to secure your rocker arm shafts when the old bolts break, become corroded, or have damaged threads. Crown Automotive is a leader in replacement parts for many vehicles.
( 6 )
$2.99
$2.69
On Sale
Timing covers are designed to protect the timing chain, cam belt, or timing belt from gravel, grime, and road debris. Crown Automotive timing covers are an exceptional replacement for damaged or missing covers. They're designed and built to OEM specs for excellent fit and reliable performance. The covers are available in a variety of materials, sold individually or as part of a kit, for fitment on a range of makes and models. Give your vehicle the protection it needs to perform with Crown Automotive timing covers.
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$76.99
$53.99
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$69.29
On Sale
Manley timing chain sets are designed to provide consistent, accurate timing for your high performance engine. They feature a fully machined billet-steel camshaft and crankshaft sprockets, a full double-roller chain using .250 in. diameter rollers, and adjustable keyway crankshaft sprockets that are machined for and include either a brass wear shim or Torrington thrust bearing. Keep timing stable and accurate throughout the entire rpm range with these Manley timing chain sets.
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$282.49
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$317.82
$268.37
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$301.93
On Sale
Crown Automotive valve locks are keepers! The stamped steel parts are small but necessary, and offer the proper fit and function you expect and need. Their engine valve spring retainer locks are available for many specific Jeep, Dodge, Ram, Chrysler applications.
Not Yet Reviewed
$1.99
$1.79
On Sale
Summit Racing™ Pro Hemi Non-MDS swap camshafts are made from high-quality bearing steel cores. They are precision ground and finished on modern CNC grinders to provide you with a premium replacement cam. Choose the model that fits your engine and make sure to use with Non-MDS lifters.
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$349.99
$299.99
On Sale
Pushrods are one of the internal engine parts that can bend or experience metal fatigue over time. Crown Automotive steel replacement rods will help you with maintenance or a complete engine rebuild. These rods are available in a variety of lengths for proper fitment on your application.
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$3.99
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$8.99
$3.59
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$8.09
On Sale
Clean air in, exhaust air out—Crown Automotive valves fit your vehicle with quality and value you can count on. Maintaining efficient engine power depends on the operation of the intake and exhaust valves. These Crown replacements are made from quality materials to provide long-lasting service. Valves are available for a wide range of Jeep and Dodge models, in particular.
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$6.99
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$25.99
$6.29
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$23.39
On Sale
Wanting to deactivate the Multi-Displacement System of your Hemi vehicle will require a few things, including a non-MDS camshaft and components. Summit Racing™ Gen III Hemi MDS delete kits are offered in versions designed for engines with or without Variable Valve Timing (VVT). They contain premium components (except programmer) to help you complete the job. Each Summit Racing™ delete kit will include a head gasket set, timing cover gasket, non-MDS lifters, replacement cylinder head fasteners, non-MDS solenoid plug, and camshaft, along with valve springs and/or camshaft phaser limiters. Choose the combo designed for your vehicle.
Not Yet Reviewed
$1,287.90
$1,219.90
On Sale
Crown Automotive retainers are keepers! The stamped steel parts are small but necessary, and offer the proper fit and function you expect. Their engine valve spring retainers are available for many specific Jeep, Dodge, Ram, and Chrysler applications.
Not Yet Reviewed
$2.99
$2.69
On Sale
Manley titanium valves feature forged one-piece construction with grain flow, not a head welded to a stem. These jewel-like valves are machined in state-of-the-art CNC turning centers and valve stem grinders to exacting tolerances. Manley utilizes the finest titanium alloys for both the intakes and exhausts, providing the best balance of mechanical properties, hardness, ductility, and fatigue strength at the given temperatures. All Manley titanium valves must pass their rigorous final inspection process, and strict quality control enables them to deliver parts within tight tolerance. Custom valves can be delivered within a very reasonable turnaround time. Seat coatings are also available on certain shelf stock part numbers, as well as on custom valves.
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$144.83
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$1,517.31
$137.59
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$1,441.44
On Sale
Crown Automotive timing chain dampeners provide some sort of snubbing or tensioning arrangement and guide the movement of the chain as it runs inwardly of its tensioned positions, thus preventing oscillation or vibration. Remove excessive slack and prevent your chains from stretching and vibrating, causing excessive component wear to the chain or sprockets.
( 1 )
$5.99
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$11.99
$5.39
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$10.79
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