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Trick Flow® Double platinum .660 LS dual valve spring and retainer kits are designed to provide maximum performance and reliability for your LS-based build. All components are made from a proprietary blend of alloys and tested under rigorous conditions to ensure that they perform and last at the highest levels. These racing valve springs are made with cutting-edge material and processing advancements. The retainers are available in titanium or chromoly steel and are precision machined to reduce unnecessary weight. The kits are designed for drop-in installation into any standard LS-style heads with no machining and include all necessary components and work with most hydraulic roller valvetrains. Whether you use them in your street or race machine, Trick Flow® Double platinum .660 LS dual valve spring are built to perform and will help get the most out of your LSX.
( 12 )
$258.99
Trick Flow® valve spring upgrade kits include everything that you need to install a high performance cam. The kits contain valve springs with dampers, chromoly retainers, valve seals, locks, spring shims, and a spring height gauge. Instructions are also included.
( 66 )
$176.99
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$252.99
Summit Bucks
ACDelco GM Genuine Parts engine valves are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of or validated by General Motors for GM vehicles. For the optimal performance, replace your vehicle's parts with those made by the original manufacturer—ACDelco GM Genuine Parts.
( 1 )
$118.99
AFR replacement stainless steel valves are designed to fit your AFR cylinder heads without any modifications. They are made from stainless steel with chrome stems and hardened valve tips. AFR replacement stainless steel valves are also swirl-polished and fully machined. Both the materials used, and the heat-treating process are superior to the original equipment replacement pieces.
( 6 )
$165.90
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$221.55
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 )
$166.75
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$236.26
When it's time to replace or upgrade the valves in your Trick Flow® cylinder heads, don't cut corners—turn to the company that originally made them. These replacement valves are the same high quality units used in Trick Flow® assembled heads. Features include stainless steel construction, swirl polishing, hardened tips, undercut stems, and dished heads (most applications). The valves install without any modifications and are available for all Trick Flow® cylinder heads.
( 37 )
$195.99
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$264.99
Summit Racing™ replacement valves are designed for our A-356 cast aluminum heads. These stainless steel valves are just like the ones you received originally, so you can rest assured that they will fit and perform perfectly! When you need quality components, Summit Racing™ offers the replacement valves to maintain top performance.
( 1 )
$199.99
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 )
$179.69
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$236.26
These Ford Performance Parts valves are available in several configurations to cover a variety of engines and requirements. They're high-quality steel valves that are ideal for your Ford engine project.
( 10 )
$146.99
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$152.99
No other racing valve on the market has superior materials, is lighter or will flow more than Milodon Megaflow racing valves, as proven by multiple independent engine builders and independent laboratories. These competition valves are forged from one piece of 21-4N stainless steel. They have swirl-polished heads, undercut stems for better gas flow, and tulipped underhead areas for weight savings. With their hardened stellite tips and 1,600 degree F temperature capabilities, they can withstand both high-heat and high-valvetrain stress loads.
( 17 )
$193.95
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$269.95
Milodon Street stainless valves are one-piece forged valves that are the perfect replacements for use in your street, Circle Track, or bracket racing engine. The intake valves are forged from quality HNV8 stainless steel, while the exhaust valves are forged from premium 21-4N material to withstand the extra heat and stress. The valves have hard-chromed stems and machined heads. They are designed to take a beating, with large seat margins which allows more than one regrind.
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$142.95
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$199.95
Featuring precision tolerances and superior final machining, COMP Cams Sportsman stainless steel valves offer outstanding performance and durability for high-rpm, high-horsepower engines. They are manufactured from 21-4N high-strength, one-piece stainless steel. They also feature a chrome polished stem, hardened tips, and high-flow underhead for minimum flow restriction. Recommended for hydraulic, mechanical, or roller lifter camshaft cylinder heads, COMP Cams Sportsman stainless steel valves provide you with the reliability and performance that you require.
( 7 )
$111.95
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$232.95
Don't cut corners when it's time for valves. Get genuine Edelbrock stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. What's more, they have hardened stem tips for durability and are swirl-polished.
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$160.95
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$256.95
Manley Street Flo valves are excellent-quality valves at an affordable price. All are made from stainless steel (intakes are NK-841; exhausts are XH-424) with chrome stems and hardened valve tips. Street Flo series valves are fully machined and swirl polished, and both the materials used and the heat-treating process are superior to those of the Budget replacement series valves. They're available in a variety of head diameters, with either straight stems or undercut "Pro Flo" stems for increased flow. Order the set that's compatible with your vehicle and engine application.
( 22 )
$132.36
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$141.32
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 )
$179.69
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$248.97
Dart severe-duty stainless steel valves are designed to withstand the pressures of high-lift roller cams and feature a head design that promotes high flow. They are constructed of high-strength stainless steel that is backcut just enough for flow, without sacrificing strength. They feature swirl-polished heads with hard chrome stems.
( 14 )
$146.60
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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$152.53
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$229.68
Manley Street Master valves are excellent-quality valves at an affordable price. All are made from stainless steel (intakes are NK-841; exhausts are XH-424) with chrome stems and hardened valve tips. Street Master series valves are fully machined and swirl polished, and both the materials used and the heat-treating process are superior to those of the Budget replacement series valves. They're available in a variety of head diameters, with either straight or undercut stems for increased flow. Order the set that's compatible with your vehicle and engine application.
( 7 )
$132.36
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$141.32
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 )
$174.87
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$179.69
Wiseco offers one-piece, forged, premium steel and titanium engine valves for a wide variety of powersports applications. These engine valves are made from the highest quality materials and are made to Wiseco's strict specifications for high-strength and fatigue properties. Wiseco valves feature a chromium nitride coating that provides them with excellent surface hardness and wear resistance.
Not Yet Reviewed
$134.99
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$156.99
Kibblewhite has developed these Tensilite titanium valves to cope with the stress of racings. These valves start life as a solid bar of premium titanium that is forged for the ultimate in strength. The stem is then pulled from the forging process and machined to tight tolerances to prevent premature fatigue or failure. After all of the machining and finishing is completed, Kibblewhite applies a hard titanium nitride shell to further increase the strength and longevity of the valves. To ensure the finest product available, Kibblewhite has lab-tested these valves and then put them through their paces in a variety of racing applications, from superbikes to dual-stage nitrous drag bikes. When the race is on the line and you need that extra edge, don't settle for anything but the best. Upgrade to these Kibblewhite Tensilite titanium valves and get a leg up on your competition.
Not Yet Reviewed
$134.56
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
$176.62
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$1,516.01
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
$111.14
Manley custom order dropship titanium valves give you the freedom to choose the right type of valve for your application. A specification sheet must be filled out prior to ordering. Please call us at 1-800-230-3030 for further information.
Not Yet Reviewed
$179.45
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