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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 1-12 of 62
10° Steel 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 »
10° Titanium 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 »
10° 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 »
7° Steel 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 »
7° Titanium 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 »
7° 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 »
Assembly Lube
Assembly Lube is favored by professional mechanics for assembling many internal mechanical components including wrist pins, pistons, bushings, plain bearings, ball bearings, roller bearings,...More Details »
Cam Buttons
Cam Thrust Buttons from PitStopUSA.com are designed to control cam end play. Excessive cam play can cause inaccurate ignition timing and premature timing chain wear. Roller Cam Thrust Buttons...More Details »
Cam Locking Plates
Don't let a broken camshaft bolt ruin your motor! Camshaft locking plates and bolts from PitStopUSA.com are manufactured from tough Grade 8 steel with a black oxide finish includes retaining plate.
Cam Thrust Bearings & Plates
When using a roller cam you need to provide some means of holding the cam back to the rear of the engine. Cam thrust button rides between the front of the timing gear and the back of the front...More Details »
Connecting Rod Bolts
The weak link in a connecting rod has always been the bolt. It is critically important to monitor the stretch of each bolt and replace it when it has permanently elongated by .001?. In some...More Details »
Connecting Rods - Ford 4 Cylinder
Connecting rods are available from PitStopUSA.com for everything from street machines to full blown race engines. We offer a wide variety of connecting rod designs including I-beam, H-beam, and...More Details »
Items 1-12 of 62

Manley Performance Products

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Items 1-25 of 923
Description: Wrist Pin Bushing, 0.875 in ID, Set of 8
Item #: MAN42345-8
Condition: New
Limited Supply: Only 2 Left!
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Price: $69.20
Sale: $65.87
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Description: Bronze Connecting Rod Bushing, 0.991" I.D., Big Block Chevrolet , (Set of 8)
Item #: MAN42327-8
Condition: New
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Price: $75.99
Sale: $71.87
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Description: Thrust Plate Roller Bearing - .150" Thickness, Chevrolet Big and Small Block
Item #: MAN42420
Condition: New
Limited Supply: Only 2 Left!
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Price: $22.99
Sale: $20.12
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Description: Single Valve Springs, 1.260" Outside Diameter, 370 lbs./in. Rate, 1.095" Coil Bind Height, (Set of 16)
Item #: MAN22410-16
Condition: New
Limited Supply: Only 7 Left!
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Price: $75.20
Sale: $71.87
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Description: Outside Valve Spring Locators, Steel, .062" Thick, 1.390" O.D., .570" I.D., (Set of 16)
Item #: MAN42142-16
Condition: New
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Price: $79.99
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Description: Single Valve Springs, 1.250" Outside Diameter, 357 lbs./in. Rate, 1.180" Coil Bind Height, (Set of 16)
Item #: MAN22409-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $86.40
Sale: $79.96
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Description: Inside Valve Spring Locators, Steel, .035" Thick, 1.270" O.D., .525" I.D., (Set of 16)
Item #: MAN42334-16
Condition: New
Limited Supply: Only 3 Left!
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Price: $79.99
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Description: Inside Valve Spring Locators, Steel, .062" Thick, 1.290" O.D., .525" I.D., (Set of 16)
Item #: MAN42336-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $79.99
Sale: $75.71
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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: $72.80
Sale: $69.53
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Description: Valve Spring Locator, Inside, 0.035 in Thick, 1.320 in OD, 0.567 in ID, 0.726 in Spring ID, Steel, Black Oxide, Set of 16
Item #: MAN42135-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $72.80
Sale: $68.62
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Description: Outside Valve Spring Locators, Steel, .687" Thick, 1.550" Spring O.D., (Set of 16)
Item #: MAN42126-16
Condition: New
Limited Supply: Only 3 Left!
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Price: $76.99
Sale: $72.87
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Description: Dual Valve Springs, 1.437" Outside Diameter, 354 lbs./in. Rate, 1.100" Coil Bind Height, (Set of 16)
Item #: MAN22408-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $172.00
Sale: $160.96
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Description: Tool-Spring Seat Cutter
Item #: MAN41850
Condition: New
Limited Supply: Only 2 Left!
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Price: $122.95
Sale: $115.76
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Description: Dual Valve Springs, 1.500" Outside Diameter, 797 lbs./in. Rate, 1.130" Coil Bind Height, (Set of 16)
Item #: MAN221455-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $708.00
Sale: $624.96
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Description: Dual Valve Springs, 1.500" Outside Diameter, 800 lbs./in. Rate, 1.130" Coil Bind Height, (Set of 16)
Item #: MAN221456-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $607.20
Sale: $529.96
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Description: Dual Valve Springs, 1.500" Outside Diameter, 800 lbs./in. Rate, 1.130" Coil Bind Height, (Set of 16)
Item #: MAN221457-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $607.20
Sale: $570.87
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Description: Dual Valve Springs, 1.522" Outside Diameter
Item #: MAN221460-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $787.20
Sale: $708.96
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Limited Supply: Only 5 Left!
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Price: $380.00
Sale: $351.96
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Description: Inside Valve Spring Locators, Steel, 0.570" I.D., 1.535" O.D., (Set of 16)
Item #: MAN42347-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $78.99
Sale: $75.87
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Description: Spring Cup-ID 1.500
Item #: MAN42335-16
Condition: New
Limited Supply: Only 4 Left!
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Price: $77.99
Sale: $73.87
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Description: Dual Valve Springs, 1.550" Outside Diameter, 614 lbs./in. Rate, 1.080" Coil Bind Height, (Set of 16)
Item #: MAN22440-16
Condition: New
Limited Supply: Only 1 Left!
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Price: $356.80
Sale: $330.45
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Description: Inside Valve Spring Locators, Steel, .062" Thick, .570" I.D, .720" Shoulder, (Set of 16)
Item #: MAN42317-16
Condition: New
Limited Supply: Only 4 Left!
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Price: $79.99
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Description: Inside Valve Spring Locators, Steel, .062" Thick, .635" I.D, .740" Shoulder, (Set of 16)
Item #: MAN42330-16
Condition: New
Limited Supply: Only 0 Left!
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Price: $78.99
Sale: $75.87
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Description: Inside Valve Spring Locators, Steel, .062" Thick, .635" I.D., .720" Spring I.D., (Set of 16)
Item #: MAN42119-16
Condition: New
Limited Supply: Only 2 Left!
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Price: $72.80
Sale: $62.96
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Description: Inside Valve Spring Locators, Steel, .062" Thick, 1.535" O.D., .570" I.D., (Set of 16)
Item #: MAN42326-16
Condition: New
Limited Supply: Only 3 Left!
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Price: $78.99
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Items 1-25 of 923

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!