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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 1-25 of 48
Assembly Lubricant
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 »
Camshaft 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.
Camshaft Thrust 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 »
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 Rod Bushings
Wrist pin bushings from PitStopUSA.com provide wear resistance with full floating connecting rods, reduce engine friction and keep things running smoothly.
Connecting Rods
Whether you're looking for H-Beam connecting rods, or stock appearing I-Beam connecting rods, PitStopUSA.com has your connecting rod solution in stock. We offer a great selection of connecting rods...More Details »
Cylinder Head Bolt
We have a huge selection of Cylinder Head Bolts needed to complete your engine repair or rebuild for a wide variety of vehicles, engine types, and cylinder head styles. We have stainless steel...More Details »
Cylinder Head Washers
Head Bolt Washers are available for a variety of applications. They receive a special heat treatment to prevent galling.
Guide Plates
Pit Stop USA is The Online Motorsports Superstore! We feature Pushrod Guide Plates at low everyday prices.
Lash Caps
Pit Stop USA is The Online Motorsports Superstore! We feature Lash Caps at low everyday prices.
Manley Budget Performance 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 Budget Replacement 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 Chromoly Pushrods - 3/8" x .080" Wall
Manley 4130 Chrome Moly Swedged End Pushrods feature meticulously formed ends with exact radii. Excellent concentricity, closely controlled length. Heat treated and black oxide finished.
Manley Chromoly Pushrods - 3/8" x .120" Wall
Manley Chromoly Pushrods - 3/8" x .120" Wall features: Meticulously formed ends with exact radii
Manley Chromoly Pushrods - 5/16" x .080" Wall
Pit Stop USA is The Online Motorsports Superstore! We feature Manley Chrome Moly Pushrods - 5/16" x .080" Wall at low everyday prices.
Manley Chromoly Pushrods - 7/16" x .165" Wall
Manley Chromoly Pushrods - 7/16" x .165" Wall features: Meticulously formed ends with exact radii
Manley Extreme 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 NexTek Valve Springs
Manley NexTek® Drag Race Series Valve Springs offer unequaled performance. The Manley NexTek® eclipses the 1000lbs barrier. The NexTek® springs offer better valve train stability and component...More Details »
Manley Performance Piston Rings
Manley stocks conventional style piston ring sets in both “Classic Race” and “AP Premium Steel top ring” versions.
Manley Pro Series Crankshafts
Manley 4340 steel non-twist forging, heat-treated, precision ground, stress relieved, shot peened, nitride hardened, large fillet radii for use with narrowed bearings, gun-drilled rod journals,...More Details »
Manley Professional Valve Springs
Manley's Professional valve springs are constructed from a chrome silicon material for oval track racing, or H-11 tool steel for drag racing to meet your performance needs.
Manley Race 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 Race 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 Severe Duty "Pro-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 »
Items 1-25 of 48

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!