32 Results Found For "valve stems"

Manley performance products have been tearing up streets and tracks worldwide since 1966. Throughout the 1970s, legendary racers such as Don Garlits, Bill Jenkins, Joe...

Manley performance products have been tearing up streets and tracks worldwide since 1966. Throughout the 1970s, legendary racers such as Don Garlits, Bill Jenkins, Joe Mondello, and “Jungle Jim” Liberman equipped their vehicles with Manley components. Today, Manley manufactures crankshafts, connecting rods, pistons, pushrods, rocker arms, valve springs, lash caps, guideplates, and many other OEM and high performance components. Unleash your street/strip machine’s true power potential with time-tested components from Manley. Find thousands of Manley performance parts right here on SummitRacing.com!

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Manley Viton® Valve Stem Seals

Manley Viton® valve stem seals are designed to keep oil out of the combustion chamber. They are manufactured from special Viton® material for maximum control and durability throughout the entire rpm range. The seals feature a special smaller design to allow for clearance in small inside-diameter valve springs.

4.78 out of 5 stars ( 18 )

$2.05

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$32.76

Manley Severe Duty Series Stainless Steel Valves

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.

4.94 out of 5 stars ( 17 )

$23.58

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$514.08

Manley Race Series Stainless Steel Valves

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.

4.95 out of 5 stars ( 77 )

$23.58

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$564.30

Manley Budget Series Performance Valves

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.

5.0 out of 5 stars ( 10 )

$11.90

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$95.12

Manley Street Flo Valves

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.

4.92 out of 5 stars ( 24 )

$17.37

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$148.39

Manley Budget Series Replacement Valves

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.

4.83 out of 5 stars ( 6 )

$9.29

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$74.38

Manley Severe Duty Pro Flo Series Stainless Steel Valves

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.

5.0 out of 5 stars ( 5 )

$23.58

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$311.48

Manley Race Master Valves

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.

5.0 out of 5 stars ( 5 )

$23.58

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$248.08

Manley 10 Degree Machined Valve Locks

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.

4.9 out of 5 stars ( 21 )

$4.87

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$187.69

Manley Extreme Duty Series Stainless Steel Valves

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.

4.5 out of 5 stars ( 2 )

$26.39

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$657.72

Manley Street Master Valves

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.

5.0 out of 5 stars ( 7 )

$17.37

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$148.39

Manley All-PTFE Valve Stem Seals

Manley high performance all-PTFE valve stem seals wipe excess oil from the valve stem by means of a unique, spring-loaded wiper assembly, providing maximum valve stem oil control. These seals are a definite must! They stop unwanted oil from reaching and contaminating the cylinder and are available to fit different applications. So, whether you are planning an engine overhaul or a cam change--don't forget the valve stem seals!

Not Yet Reviewed

$1.98

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$31.70

Manley Titanium Valves

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.

5.0 out of 5 stars ( 3 )

$141.58

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$1,529.72

Manley Race Series Gen II Custom Valves

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

$45.19

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$735.76

Manley Severe Duty Series Gen II Custom Valves

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

$56.48

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$933.59

Manley 7 Degree Machined Valve Locks

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.

5.0 out of 5 stars ( 3 )

$4.26

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$155.56

Manley Custom Order Dropship Titanium Valves

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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$1,435.62

Manley Super 7 Degree Valve Locks

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.

3.5 out of 5 stars ( 6 )

$4.87

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$187.69

Manley LocCap Valve Locks

Manley LocCap valve locks are designed with high-revving track cars in mind. These valve locks are precision-machined using Manley's TensileMax ultra high-strength steel or high-quality titanium and are through-hardened to minimize wear. The internal retention groove is perfectly matched with Manley's LocCaps, giving you a perfect fit without fail. These valve locks are available for a variety of valve stem configurations. Whether you are racing all-out fuel cars, alcohol, or Pro Mods, you can count on these Manley LocCap valve locks to keep everything in place.

5.0 out of 5 stars ( 2 )

$21.08

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$168.61

Manley Super 7 Degree Captiv-Loc Valve Locks

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

$8.75

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$190.54

Manley NexTek Valve Spring and Retainer Kits

Manley NexTek valve spring and retainer kits are designed and manufactured for optimum consistency, run after run, lap after lap. They are manufactured from super clean high-tensile chrome silicon steel that has been shot peened to MIL specs for maximum fatigue life. Proven to have less load loss than many other springs, they exhibit superior fatigue life and enhance valvetrain stability--everything that counts in winning races!

5.0 out of 5 stars ( 1 )

$344.28

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$760.42

Manley NexTek Valve Springs

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.

5.0 out of 5 stars ( 4 )

$22.77

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$1,241.09

Manley Street Master Valve Springs

Better designed valve springs using state-of-the-art machinery for purpose-built racing engines. Manley Street Master valve springs are 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. Manley Street Master valve springs feature a small diameter and are lightweight, allowing engines to rev higher faster. They have an extended tip thickness to eliminate overload breakage and their tightly controlled open-end flatness reduces valve stem side loading.

5.0 out of 5 stars ( 3 )

$6.66

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$211.88

Manley Valve Tip Wear Caps

Manley valve tip wear caps protect the tip of your valve stem in high-rpm engines. They are constructed from 4140 heat-treated alloy steel, strong enough to handle harsh racing conditions.

4.37 out of 5 stars ( 19 )

$3.61

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$125.91

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