2003 Manley Engines & Components

Valve Spring, Dual, 1.290 in. Outside Diameter, 377 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: MAN-221436-16

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Spring, Dual, 1.340 in. Outside Diameter, 394 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16

Part Number: MAN-221435-16

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: MAN-221438-16

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Springs, Single, 1.175 in. Outside Diameter, 255 lbs./in. Rate, 1.080 in. Coil Bind Height, Set of 16

Part Number: MAN-221437-16

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Timing Chain and Gears, Double Roller, 9 Key Way Crankshaft Sprocket, Dodge, 5.7L Hemi, 6.1L Hemi, Kit

Part Number: MAN-73205

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Spring Retainer, Chevy LS Valve Spring, Titanium, ID Locator, Machnd Valve Lock & Viton seal,660 Max

Part Number: MAN-26362334KS

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Springs, Single, 1.311 in. Outside Diameter, 341 lbs./in. Rate, 1.085 in. Coil Bind Height, Set of 16

Part Number: MAN-221428-16

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Valves, Intake, NK-844 Stainless, 1.940 in. Diameter, 5.140 in. Length, Chevy, Small Block, Set of 8

Part Number: MAN-11748-8

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valves, Exhaust, XH-428 Stainless, 1.500 in. Diameter, 5.140 in. Length, Chevy, Small Block, Set of 8

Part Number: MAN-11747-8

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Valve, Race, NK-844 Stainless Steel, Intake, 2.055 in. Diameter, 4.874 in. Length, Chevy, Each

Part Number: MAN-11680-8

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SPRING-LS-1 .800 LIFT

Part Number: MAN-221421-16

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve, Exhaust, Severe Duty, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 4.911 in. Length, Set of 8

Part Number: MAN-11541-8

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Valve Springs, Single, 1.126 in. Outside Diameter, 330 lbs./in. Rate, 0.860 in. Coil Bind Height, Set of 16

Part Number: MAN-22185-16

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.311 in. Spring O.D., Kit

Part Number: MAN-26382038KS

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Connecting Rods, ROD-ACURA RSX K20 02-UP T/T

Part Number: MAN-14404-1

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Valves, VALVE-R/M VQ35DE(T) 32.5mm

Part Number: MAN-11153-12

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Estimated Ship Date: Feb 20, 2026 if ordered today

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SINGLE CONNECTING ROD

Part Number: MAN-14163-1

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Connecting Rod, ROD-5.4L 6.657 300M I BEAM

Part Number: MAN-15321-1

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Estimated Ship Date: Feb 20, 2026 if ordered today

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ROD-SUBARU WRX EJ20/STi EJ25 T/T

Part Number: MAN-14416-1

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16

Part Number: MAN-221431-16

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Oil Pump, Pro-Flo, Wet Sump Style, High-volume, Standard-pressure, Chevy, Small Block LS, Each

Part Number: MAN-71296

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Valves, Intake, XH-428 Stainless, 2.080 in. Head Diameter, 4.874 in. Length, Chevy, 5.7, 6.0L, Set of 8

Part Number: MAN-11682-8

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Piston Rings, Performance, Plasma-moly, 3.937 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, Hemi, V8, Set

Part Number: MAN-46122ST-8

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Valves, Intake, NK-844 Stainless Steel, 1.937 in. Diameter, .342 in. Stem, 4.911 in. Length, Set of 8

Part Number: MAN-11592-8

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Valves, Exhaust, XH-432 Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.015 in. Length, Set of 8

Part Number: MAN-11599-8

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Estimated Ship Date: Feb 23, 2026 if ordered today

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