Availability
Manley steel H-beam connecting rods are made from forged 4340 steel alloy. They're packed full of performance features, such as a compact uniform-grain structure for ultimate strength, full machining, stress relieving, and magnafluxing. The wrist pin and big end bores are honed to a +/-.0002 in. tolerance, and the wrist pins get a bronze alloy bushing. These units include cap screw ARP 8740 alloy rod bolts, and each rod set is weight-matched to within 2 grams. Available individually or in a set, order the model recommended for your vehicle year/make and engine application.
( 8 )
$93.04
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$913.14
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 )
$22.45
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$415.19
Don't be fooled; not all H-beams are created equal. Manley Steel H-Tuff connecting rods are built with heavier beams for higher boost applications. They are finished to the same exacting tolerances and high quality you expect from Manley. You will find the Manley H-Tuff rods superior to others on the market.
Not Yet Reviewed
$1,032.92
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 )
$22.45
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$489.59
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.
( 9 )
$11.33
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$90.59
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 )
$16.55
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$141.32
Manley Pro Series crankshafts can make your short block bulletproof. They feature forged 4340 construction and undergo a multi-step heat-treatment process and are then nitrided for added strength. The crankshafts are stress-relieved, shot-peened, and magnafluxed. Manley Pro Series crankshafts have micro-polished large .125 in. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. The counterweights are fully profiled and they are designed for internal balancing.
( 9 )
$1,190.53
Manley Platinum Series pistons are designed to provide trouble-free installation, excellent reliability, and maximum horsepower for your application. Available in 2618 and 4032 forgings, they provide the optimum balance between strength and weight, with no grain-interrupting internal milling. The Platinum Series pistons' 2618 alloy offers maximum high-temperature strength and fatigue resistance, while the 4032 alloy is ideal for moderate-horsepower street applications. Order the style and size pistons designed for your vehicle and engine.
( 6 )
$89.21
—
$1,099.10
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.
( 2 )
$35.84
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$489.59
Big-time clamping force for your connecting rods! Manley replacement connecting rod bolts feature a .0005 to .0070 in. interference fit to guarantee rod cap alignment and actually strengthen the connecting rod. They are available in ARP2000 alloy with an 8740 chromoly steel. Nuts and lubricant are included.
( 5 )
$10.16
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$203.41
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 )
$22.45
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$236.26
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.
( 2 )
$6.65
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$211.87
You just gave that powerful beast a new roar, so don't let the camshaft walk around messing with your finely tuned creation. Leash it in place with these Manley camshaft thrust buttons. They're available in various lengths, styles, and materials to allow for the best fitment. Keep your hard work and tuning under control and ready for the road or track with Manley!
( 3 )
$5.34
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$13.31
Manley offers these superior cylinder head bolt kits for a variety of applications. They are longer than stock for use with washers, heat treated for added strength, and their 1/2 in. hex head improves wrenchability.
( 10 )
$36.36
—
$38.27
Manley Street Master pistons are made of high quality forged aluminum and provide you with a perfect blend of economy and high performance power. They mimic your OEM design with a 1.22mm offset wrist pin location for smooth and quiet start-ups. They have a perfect ring groove to skirt squareness, pressure balanced grooves, a full banded skirt designed for increased skirt stability, and include 2.5 in. premium chrome moly pins with round wire locks. If you're looking for highly durable and dependable pistons, Manley Street Master pistons are your answer.
( 1 )
$76.82
—
$614.59
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.
( 6 )
$8.86
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$70.83
Protect your valvetrain. Manley guideplates are made from heat-treated steel and have a black oxide finish. They are carefully stamped for absolute accuracy and are a must-have for today's performance engines.
( 10 )
$3.91
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$58.04
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 )
$22.45
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$296.64
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.
( 3 )
$152.53
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$1,465.29
Manley oil pan bolts feature a special flange for greater wrenchability. They have an integral lock washer and are available with a black oxide or gold iridited finish.
( 4 )
$6.88
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$10.24
These Manley Sportmaster connecting rods are forged from aircraft-quality 4340 steel, profiled to remove stress risers, weight-matched, and shot-peened. The result is unsurpassed performance through 750 hp.
Not Yet Reviewed
$111.25
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$890.07
Make sure that your cam sprocket bolts are positively secured in place with Manley camshaft lock plates. These plates feature bendable tabs and Grade 8 camshaft bolts.
Not Yet Reviewed
$3.16
Manley timing chain sets are designed to provide consistent, accurate timing for your high performance engine. They feature a fully machined billet-steel camshaft and crankshaft sprockets, a full double-roller chain using .250 in. diameter rollers, and adjustable keyway crankshaft sprockets that are machined for and include either a brass wear shim or Torrington thrust bearing. Keep timing stable and accurate throughout the entire rpm range with these Manley timing chain sets.
( 10 )
$58.77
—
$145.87
Keep your cam operating correctly with Manley camshaft thrust bearings. They are made from top-quality materials and are offered for all Manley timing chain and gear sets.
( 2 )
$23.40
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