Availability
Manley Budget series performance valves are high-quality valves at very affordable prices. All are made from stainless steel (intakes are NK-480; exhausts are XH-422) with chrome stems and hardened valve tips. They're also swirl polished and fully machined. Both the materials used and the heat-treating process are superior to original equipment replacement pieces. These valves are available in stock length and 0.100 in. longer.
( 9 )
$90.59
Manley Budget series replacement valves are high-quality valves at very affordable prices. All valves are made from stainless steel (intakes are NK-840; exhausts are XH-422) with chrome stems and hardened valve tips. They are original equipment shapes with forged and machined finishes. Both the materials used and the heat-treating processes are superior to those of the original equipment replacement pieces.
( 6 )
$70.83
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.
( 75 )
$61.19
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$89.86
Manley Extreme Duty Series performance steel valves are a great choice for supercharged, alcohol-burning, or high-revving engines. These engines generate a lot of heat and require special valves that can handle that kind of punishment. All valves are made from the best stainless steel available, with chrome stems and hardened valve tips. Extreme Duty Series valves are swirl-polished and fully machined and available with either undercut heads or straight stems.
( 2 )
$58.72
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$65.27
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.
( 5 )
$61.19
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$89.86
Do you have a boosted, high-heat, high-horsepower engine? Manley offers custom race valves for your high performance engine. These Race Series Gen II custom valves are manufactured from XH-426 (exhaust) and NK-842 (intake) materials with hard tips and hardened grooves. They are tailored to length, groove position, head diameter, margin, and other specifications that you request when ordering. So, whether you're building an engine or are a serious racer, Manley is committed to seeing that you're there at the finish.
Not Yet Reviewed
$53.79
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$89.38
These Severe Duty Gen II custom valves with unmatched strength and superiority are the only valves of their kind. Exhaust material XH-428 and intake material NK-844 are paired together for ultimate dominance over all others. With four times the tensile strength of competitors' intake valves and supremely better fatigue life, Manley Severe Duty Gen II custom valves truly show their commitment to seeing that you're there at the finish. You decide the head diameter and seat and margin widths, as well as valve length, groove type, and location for the perfect custom setup!
Not Yet Reviewed
$53.79
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$111.14
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 )
$61.19
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$82.64
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.
( 5 )
$82.64
Manley 10 degree machined valve locks are precision-crafted and machined from the highest quality steel alloy and titanium to suit your needs. The steel heat-treated locks feature a black oxide finish. The titanium valve locks are durable and lightweight. Both types of valve locks are available in several valve stem sizes and heights with either conventional or beadlock groove types.
( 20 )
$65.74
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$93.84
Manley valve spring cups and locators protect your expensive aluminum heads from being galled by your high-pressure valve springs. They are quality-machined to a .062 in. or .035 in. thickness from heat-treated steel with a corrosion-resistant black oxide finish. Manley valve spring cups and locators are available in inside diameter (spring locator) or outside diameter (spring cup) styles.
( 17 )
$95.28
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$108.13
Manley Professional valve springs are constructed from silicon material for oval track racing, or H-11 tool steel for drag racing. No matter what kind of racing you do, Manley has got you covered!
( 3 )
$92.60
Manley Street Master valve spring retainers are made of through-hardened 4140 chromoly steel. They are manufactured to exacting tolerances to ensure quality, consistency, and optimal performance.
( 8 )
$63.65
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$72.99
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.
( 3 )
$64.73
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$80.92
Manley Super 7 degree valve locks maintain the superior clamping properties of their original 7 degree valve locks, but overcome their extrusion problem with increased lock thickness. Manley supports both 10 and 7 degree systems with the highest quality locks and retainers in the industry, manufactured of both steel and titanium.
( 5 )
$74.08
Manley Super 7 degree Captiv-Loc valve locks were developed by Keith Dorton. They are designed to encapsulate the hardened tip in a titanium valve if it comes loose. They are available in steel or titanium material and will accept any standard 7 degree valve spring retainer. The locks will fit valves with .290 in. to .330 in. tip lengths and use either the conventional or beadlock groove technology. Make the most out of your 7 degree retainers with these Manley Super 7 degree Captiv-Loc valve locks.
Not Yet Reviewed
$95.28
Manley Super 7 Degree valve spring retainers are designed to complement your high performance valvetrain. These retainers are made of extremely tough, yet lightweight, heat-treated titanium that can stand up to the abuse of high performance engines. You get to choose between the standard or lightweight version, as well as with or without Manley's exclusive surface impingement that adds strength and durability. These retainers are available for a variety of spring combinations, so you can find the set that will be perfect for your next build. Don't settle for less on your next build--go with these Manley Super 7 Degree valve spring retainers!
Not Yet Reviewed
$72.99
Manley valve spring shims are available in a wide variety of thicknesses. They are high-quality valve spring shims are heat-treated to resist wear.
( 2 )
$50.02
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$72.79
Wound from super-clean alloy, Manley sport compact valve springs are designed to handle the demands of aftermarket camshafts. Several applications are available to suit your needs.
( 2 )
$106.37
These Manley NexTek valve springs are better-designed valve springs using state-of-the-art machinery for purpose-built racing engines. They're manufactured from super-clean, high-tensile chrome silicon steel and are shot-peened to MIL specs for maximum fatigue life. They feature a proprietary, multi-step heat-treating that minimizes load loss and have computer-aided modeling to minimize valve bounce and valve gear separation. The Manley NexTek valve springs are smaller diameter and lightweight, allowing engines to rev higher faster. They have an extended tip thickness designed to eliminate overload breakage, and their tightly controlled open-end flatness reduces valve stem side loading.
( 4 )
$52.31
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$77.56
Manley Platinum Series pistons are designed to provide trouble-free installation, excellent reliability, and maximum horsepower for your application. Available in 2618 and 4032 forgings, they provide the optimum balance between strength and weight, with no grain-interrupting internal milling. The Platinum Series pistons' 2618 alloy offers maximum high-temperature strength and fatigue resistance, while the 4032 alloy is ideal for moderate-horsepower street applications. Order the style and size pistons designed for your vehicle and engine.
( 6 )
$89.21
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$107.17
Manley Street Master pistons are made of high quality forged aluminum and provide you with a perfect blend of economy and high performance power. They mimic your OEM design with a 1.22mm offset wrist pin location for smooth and quiet start-ups. They have a perfect ring groove to skirt squareness, pressure balanced grooves, a full banded skirt designed for increased skirt stability, and include 2.5 in. premium chrome moly pins with round wire locks. If you're looking for highly durable and dependable pistons, Manley Street Master pistons are your answer.
( 1 )
$76.82
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