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Manley Performance
Manley Performance high performance and racing engine parts have been powering winners since 1966.

Manley Performance Categories

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Items 26-48 of 48
Manley Severe Duty Valves
Manley Performance is universally acknowledged as the leading manufacturer of performance and racing valves in the world. The reason for Manleys overwhelming success is simple: QUALITY. We offer...More Details »
Manley Street Flo Valves
Manley Performance is universally acknowledged as the leading manufacturer of performance and racing valves in the world. The reason for Manleys overwhelming success is simple: QUALITY. We offer...More Details »
Manley Street Master Valve Springs
Manley Performance is universally acknowledged as the leading manufacturer of performance and racing valves in the world. The reason for Manleys overwhelming success is simple: QUALITY. We offer...More Details »
Manley Street Master Valves
Manley Performance is universally acknowledged as the leading manufacturer of performance and racing valves in the world. The reason for Manleys overwhelming success is simple: QUALITY. We offer...More Details »
Manley Titanium Valves
Manley Performance is universally acknowledged as the leading manufacturer of performance and racing valves in the world. The reason for Manleys overwhelming success is simple: QUALITY. We offer...More Details »
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Oil Pump Drive Shafts
Pit Stop USA is The Online Motorsports Superstore! We feature Oil Pump Drive Shafts at low everyday prices.
Pushrod Length Checkers
Pushrod length checkers are made from steel alloy and black oxide for durable accurate measurements. They are designed to be easy to read and eliminate the need for expensive calipers. A complete...More Details »
Rocker Arm Studs
Pit Stop USA is The Online Motorsports Superstore! We feature Rocker Arm Studs at low everyday prices.
Rocker Arms
Pit Stop USA is The Online Motorsports Superstore! We feature Rocker Arms at low everyday prices.
Rod Bearings
High performance rod bearings are available at PitStopUSA.com in a variety of styles and applications. Cam bearings combine the strength of a copper-lead alloy layer with steel backing and an...More Details »
Timing Chain
PitStopUSA.com offers a variety of Replacement Timing Chains from the biggest brands in drag racing including Cloyes Replacement Timing Chains, Comp Cams Replacement Timing Chains, Crane Cams...More Details »
Timing Chain Sets
Getting your engine timing right is the key to performance. Pit Stop USA offers accurate and reliable timing chain and gear sets from the top brands including Cloyes Gear, COMP Cams, Lunati and...More Details »
Timing Cover Fastener Kits
Timing Cover Fastener Kits are available for a variety of application that make securing your timing cover a breeze. Choose polished stainless steel and chromoly black oxide finishes in your...More Details »
Valve Guide Cutter
Valve Guide Cutter tools from Pit Stop USA are designed to cut a larger diameter for your aftermarket valve guide. They are made from high-strength steel with a carbide bit for a quality cut every...More Details »
Valve Locks
Valve locks and retainers hold the retainer in place by using the force of the valve spring to hold the retainer and lock in place, not by the tang locking into the groove on the valve stem. In...More Details »
Valve Spring and Retainer Kits
PitStopUSA.com offers a variety of Valve Spring and Retainer Kits from the biggest brands in drag racing including Comp Cams Valve Spring and Retainer Kits, Crane Cams Valve Spring and Retainer...More Details »
Valve Spring Chamfering Tool
Valve Spring Chamfering Tools from Pit Stop USA are designed to preserve retainer life. They will provide additional clearance and will distribute stress along the flat surface, rather than the corner radii.
Valve Spring Locators
Pit Stop USA is The Online Motorsports Superstore! We feature Valve Spring Locators at low everyday prices.
Valve Spring Retainers
Valve locks and retainers hold the retainer in place by using the force of the valve spring to hold the retainer and lock in place, not by the tang locking into the groove on the valve stem. In...More Details »
Valve Spring Seat Cutter
Valve Spring Seat Cutter tools from Pit Stop USA allow you to machine the cylinder head for the correct diameter valve spring. This will allow you to install larger springs and hardened spring...More Details »
Valve Spring Shims
Pit Stop USA is The Online Motorsports Superstore! We feature Valve Spring Shims at low everyday prices.
Valve Stem Seals
Pit Stop USA is The Online Motorsports Superstore! We feature Valve Stem Seals at low everyday prices.
Items 26-48 of 48

Manley Performance Products

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Items 1-25 of 711
Description: Wrist Pin Bushing, 0.990 in OD, Set of 8
Item #: MAN42327-8
Condition: New
Limited Supply: Only 7 Left!
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Price: $84.68
Sale: $81.92
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Description: Valve Spring, Professional Series, Single Spring / Damper, 370 lb/in Spring Rate, 1.095 in Coil Bind, 1.260 in OD, Set of 16
Item #: MAN22410-16
Condition: New
Limited Supply: Only 8 Left!
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Price: $99.89
Sale: $89.90
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Description: Valve Spring Locator, Outside, 0.062 in Thick, 1.390 in OD, 0.570 in ID, 1.250 in Spring OD, Steel, Black Oxide, Set of 16
Item #: MAN42142-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring, Street Master, Single Spring / Damper, 357 lb/in Spring Rate, 1.180 in Coil Bind 1.250 in OD, Set of 16
Item #: MAN22409-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $114.82
Sale: $103.33
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Description: Valve Spring Locator, Inside, 0.035 in Thick, 1.270 in OD, 0.505 in ID, 0.685 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42334-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.035 in Thick, 1.300 in OD, 0.505 in ID, 0.676 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42117-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Outside, 0.062 in Thick, 1.550 in OD, 0.687 in ID, 1.437 in Spring OD, Steel, Black Oxide, Set of 16
Item #: MAN42126-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Seat Cutter, 1.445 in OD / 0.570 in ID, 11/32 in Pilot, Steel / Carbide, Each
Item #: MAN41850
Condition: New
Limited Supply: Only 3 Left!
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Price: $145.11
Sale: $137.86
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Description: Valve Spring, NexTek, Dual Spring, 797 lb/in Spring Rate, 1.130 in Coil Bind, 1.500 in OD, Set of 16
Item #: MAN221455-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $974.74
Sale: $877.27
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Description: Valve Spring, NexTek, Dual Spring, 800 lb/in Spring Rate, 1.130 in Coil Bind, 1.500 in OD, Set of 16
Item #: MAN221456-16
Condition: New
Limited Supply: Only 3 Left!
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Price: $843.00
Sale: $758.70
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Description: Valve Spring, NexTek, Dual Spring, 800 lb/in Spring Rate, 1.130 in Coil Bind, 1.500 in OD, Set of 16
Item #: MAN221457-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $843.00
Sale: $758.70
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Description: Valve Spring, NexTek, Dual Spring / Damper, 435 lb/in Spring Rate, 1.170 in Coil Bind, 1.530 in OD, Set of 16
Item #: MAN221432-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $505.00
Sale: $454.50
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Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.535 in OD, 0.570 in ID, 0.720 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42347-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.535 in OD, 0.635 in ID, 0.730 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42335-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring, Professional Series, Dual Spring / Damper, 614 lb/in Spring Rate, 1.090 in Coil Bind, 1.550 in OD, Set of 16
Item #: MAN22440-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $473.87
Sale: $426.48
Save: 10%
Save: $47.39

Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.535 in OD, 0.570 in ID, 0.730 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42317-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.535 in OD, 0.570 in ID, 0.750 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42326-16
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.535 in OD, 0.635 in ID, 0.750 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42330-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Outside, 0.062 in Thick, 1.680 in OD, 0.577 in ID, 1.550 in Spring OD, Steel, Black Oxide, Set of 16
Item #: MAN42377-16
Condition: New
Limited Supply: Only 3 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.045 in Thick, 1.535 in OD, 0.567 in ID, 0.750 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42466-16
Condition: New
Limited Supply: Only 6 Left!
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Price: $110.51
Sale: $104.98
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Description: Valve Spring, NexTek, Dual Spring, 533 lb/in Spring Rate, 1.200 in Coil Bind, 1.560 in OD, Polished, Set of 16
Item #: MAN221442-16
Condition: New
Limited Supply: Only 3 Left!
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Price: $645.38
Sale: $580.84
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Description: Valve Spring, NexTek, Dual Spring / Damper, 534 lb/in Spring Rate, 1.190 in Coil Bind, 1.570 in OD, Polished, Set of 16
Item #: MAN221440P-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $616.60
Sale: $554.94
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Save: $61.66

Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.570 in OD, 0.570 in ID, 0.835 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42373-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.570 in OD, 0.635 in ID, 0.835 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42369-16
Condition: New
Limited Supply: Only 2 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $97.36
Sale: $92.50
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Description: Valve Spring Locator, Inside, 0.062 in Thick, 1.610 in OD, 0.570 in ID, 0.720 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42318-16
Condition: New
Limited Supply: Only 1 Left!
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Orders over $149 ship free. Oversize items are excluded.
Price: $97.36
Sale: $92.50
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Save: $4.86
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Items 1-25 of 711

More About Manley Performance

Pit Stop USA is The Online Motorsports Superstore! Manley Performance high performance and racing engine parts have been powering winners since 1966! Manley Budget Replacement Valves are better-than-stock valves. Manley Budget Performance Valves are for the value conscious engine builder. Manley Street Master Valves are excellent for mild performance engines. Manley Street Flo Valves are made with the same materials as Street Master, but with Pro-Flo under head design. Manley Race Flo Valves valves have been necked down in the port area to enhance flow. Manley Race Master Valves have straight, fully chromed stems and hardened tips. Manley Severe Duty aPro-Floa Valves have many features of the Race-Flo line, but are made of severe duty material. Manley Severe Duty Valves have double the tensile strength of imported valves. Manley NexTek Series Oval Track Valve Springs put an end to spring degradation. Manley 10A Titanium Retainers have the durability needed for racing engines. Manley Valve Locks are heat treated, black oxide coated steel. Manley 5/16" Chrome Moly Pushrods provide maximum strength. Manley 5/16" Pushrods are manufactured from 4130 steel. Manley Flat Steel Guide Plates are stamped for accuracy, and heat treated to reduce wear. Manley Raised Steel Guide Plates ensure exact stud location and pushrod alignment. Manley SportmasterA Connecting Rods are CNC-machined from quality 4340 forgings. Manley Wear Caps are 4140 alloy steel and heat treated. Manley Pushrod Length Checkers are a must for all racers and engine builders. We also stock Manley Race Roller Timing Kits, Manley Roller Thrust Buttons, Manley Chevy Cam Lock Plates, Manley Superior Head Bolts, Manley Miracle Seal Epoxy and Manley Magic Seal Epoxy. We feature Manley Performance products including Manley Valves, Manley Rods, Manley Valve Springs, Manley Retainers, Manley Valve Locks, Manley Guide Plates, Manley Timing Chains and Manley Pushrods at low everyday prices!