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Manley Parts and Accessories

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!

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!

Individual Parts

Part Groups

Results 1 - 25 of 2000 +

Manley NexTek Valve Springs 221424-16

Manley NexTek Valve Springs 221424-16

Manley NexTek Valve Springs 221424-16

Valve Springs, Dual, 1.640 in. Outside Diameter, 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Set of 16

Part Number: MAN-221424-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Steel H-Beam Connecting Rods 14042R-8

Manley Steel H-Beam Connecting Rods 14042R-8

Manley Steel H-Beam Connecting Rods 14042R-8

Connecting Rod, 4340 Steel, H-Beam, 5.933 in. Length, Bushed, Cap Screw, Ford, 4.6, 5.0L, Set of 8

Part Number: MAN-14042R-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Race Series Stainless Steel Valves 11620-8

Manley Race Series Stainless Steel Valves 11620-8

Manley Race Series Stainless Steel Valves 11620-8

Valves, Intake, NK-842 Stainless, 2.165 in. Diameter, .3133 in. Stem, 4.900 in. Length, Chevy, Set of 8

Part Number: MAN-11620-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Valve Tip Wear Caps 42104-16

Manley Valve Tip Wear Caps 42104-16

Manley Valve Tip Wear Caps 42104-16

Lash Caps, Steel, 11/32 in. Valve Stem, .080 in. Thick, Set of 16

Part Number: MAN-42104-16

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Pro Series Crankshafts 190310

Manley Pro Series Crankshafts 190310

Manley Pro Series Crankshafts 190310

Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each

Part Number: MAN-190310

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Chromoly Swedged End Pushrods 25807-8

Manley Chromoly Swedged End Pushrods 25807-8

Manley Chromoly Swedged End Pushrods 25807-8

Pushrods, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 8.075 in. Length, Universal, Set of 8

Part Number: MAN-25807-8

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley NexTek Valve Springs 221425-16

Manley NexTek Valve Springs 221425-16

Manley NexTek Valve Springs 221425-16

Valve Springs, Dual, 1.640 in. Outside Diameter, 604 lbs./in. Rate, 1.150 in. Coil Bind Height, Set of 16

Part Number: MAN-221425-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Race Series Stainless Steel Valves 11621-8

Manley Race Series Stainless Steel Valves 11621-8

Manley Race Series Stainless Steel Valves 11621-8

Valves, Exhaust, XH-426 Stainless, 1.59 in. Diameter, .3136 in. Stem, 4.923 in. Length, Chevy, Set of 8

Part Number: MAN-11621-8

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Chromoly Swedged End Pushrods 25809-8

Manley Chromoly Swedged End Pushrods 25809-8

Manley Chromoly Swedged End Pushrods 25809-8

Pushrod, Chromoly, Swedged End, Heat-Treated, 3/8 in. Diameter, 7.975 in. Length, Set of 8

Part Number: MAN-25809-8

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Race Series Stainless Steel Valves 11522-8

Manley Race Series Stainless Steel Valves 11522-8

Manley Race Series Stainless Steel Valves 11522-8

Valves, Intake, Stainless Steel, 1.940 in. Diameter, .341 In. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11522-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Chromoly Swedged End Pushrods 25802-8

Manley Chromoly Swedged End Pushrods 25802-8

Manley Chromoly Swedged End Pushrods 25802-8

Pushrods, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 8.025 in. Length, Universal, Set of 8

Part Number: MAN-25802-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Chromoly Swedged End Pushrods 25351-8

Manley Chromoly Swedged End Pushrods 25351-8

Manley Chromoly Swedged End Pushrods 25351-8

Pushrods, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 8.600 in. Length, Universal, Set of 8

Part Number: MAN-25351-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Extreme Duty Series Stainless Steel Valves 11587-8

Manley Extreme Duty Series Stainless Steel Valves 11587-8

Manley Extreme Duty Series Stainless Steel Valves 11587-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11587-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley 10 Degree Machined Valve Locks 13194-16

Manley 10 Degree Machined Valve Locks 13194-16

Manley 10 Degree Machined Valve Locks 13194-16

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: MAN-13194-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Severe Duty Series Stainless Steel Valves 11854-8

Manley Severe Duty Series Stainless Steel Valves 11854-8

Manley Severe Duty Series Stainless Steel Valves 11854-8

Valves, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Set of 8

Part Number: MAN-11854-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Pro Series Crankshafts 190140

Manley Pro Series Crankshafts 190140

Manley Pro Series Crankshafts 190140

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190140

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Severe Duty Series Stainless Steel Valves 11815-8

Manley Severe Duty Series Stainless Steel Valves 11815-8

Manley Severe Duty Series Stainless Steel Valves 11815-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Set of 8

Part Number: MAN-11815-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Chromoly Swedged End Pushrods 25341-8

Manley Chromoly Swedged End Pushrods 25341-8

Manley Chromoly Swedged End Pushrods 25341-8

Pushrods, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 8.100 in. Length, Universal, Set of 8

Part Number: MAN-25341-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Severe Duty Series Stainless Steel Valves 11843-8

Manley Severe Duty Series Stainless Steel Valves 11843-8

Manley Severe Duty Series Stainless Steel Valves 11843-8

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Set of 8

Part Number: MAN-11843-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11686-8

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11686-8

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11686-8

Valves, Intake, Stainless Steel, 2.165 in. Diameter, 0.313 in. Stem, 4.900 in. Length, Set of 8

Part Number: MAN-11686-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Race Series Stainless Steel Valves 11521-8

Manley Race Series Stainless Steel Valves 11521-8

Manley Race Series Stainless Steel Valves 11521-8

Valves, Exhaust, Stainless Steel, 1.500 in. Diameter, Chevy, Small Block, Chevy, Set of 8

Part Number: MAN-11521-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Race Series Stainless Steel Valves 11565-8

Manley Race Series Stainless Steel Valves 11565-8

Manley Race Series Stainless Steel Valves 11565-8

Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Set of 8

Part Number: MAN-11565-8

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley 10 Degree Machined Valve Locks 13198-16

Manley 10 Degree Machined Valve Locks 13198-16

Manley 10 Degree Machined Valve Locks 13198-16

Valve Locks, Machined, Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, +.050 in. Height, Set of 32

Part Number: MAN-13198-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Chromoly Swedged End Pushrods 25863-8

Manley Chromoly Swedged End Pushrods 25863-8

Manley Chromoly Swedged End Pushrods 25863-8

Pushrods, Chromoly Steel, Heat-Treated, 3/8 in. Diameter, 8.625 in. Length, Universal, Set of 8

Part Number: MAN-25863-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

Manley Sportmaster Steel Connecting Rods 14101-8

Manley Sportmaster Steel Connecting Rods 14101-8

Manley Sportmaster Steel Connecting Rods 14101-8

Connecting Rod, Sportmaster, 4340 I-Beam, Cap Screw, Bushed, 5.7 in. Length, Custom Bore Sizes, Chevy, Set 8

Part Number: MAN-14101-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/13/2026 if shipped by air

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Estimated Ship Date: Monday 4/13/2026 if shipped by air

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