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 24, 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 24, 2026 if ordered today

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Valves, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.165 in. Length, Chevy, Set of 8

Part Number: MAN-11751-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Valves, Exhaust, XH-432 Stainless, 1.60 in. Diameter, .3415 in. Stem, 5.065 in. Length, Set of 8

Part Number: MAN-11701-8

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Estimated Ship Date: Feb 24, 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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Estimated Ship Date: Feb 23, 2026 if ordered today

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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 24, 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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Estimated Ship Date: Feb 24, 2026 if ordered today

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SPRING-LS-1 .800 LIFT

Part Number: MAN-221421-16

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Connecting Rod, ROD-4.6L 300M 5.850 LIGHT

Part Number: MAN-15320R6-1

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VALVE-S/D 2.080,+.400

Part Number: MAN-11764-8

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Valve, Intake, Severe Duty, Stainless Steel, 2.125 in. Diameter, 0.3415 in. Stem, 5.440 in. Length, Set of 8

Part Number: MAN-11508-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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VALVE SET

Part Number: MAN-12346-8

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Valves, Intake, Stainless Steel, 2.055 in. Diameter, .311 in. Stem, 5.010 in. Length, Chevy, Set of 8

Part Number: MAN-11234-8

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Estimated Ship Date: Feb 24, 2026 if ordered today

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Valve, Intake, Stainless Steel, 2.100 in. Diameter, .342 in. Stem, 5.111 in. Length, Chevrolet, Small Block Gen 1, Each

Part Number: MAN-11744-8

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Estimated Ship Date: Feb 23, 2026 if ordered today

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VALVE-S/D 1.625,+.100

Part Number: MAN-11851-8

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Valve, Exhaust, Race Series, Stainless Steel, 1.625 in. Diameter, 0.3415 in. Stem, 5.021 in. Length, Set of 8

Part Number: MAN-11569-8

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Valves, Exhaust, XH-428 Stainless, 1.600 in. Diameter, .3415 in. Stem, 4.965 in. Length, Set of 8

Part Number: MAN-11573-8

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VALVE-E/D 1.625,+.200

Part Number: MAN-11715-8

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SINGLE CONNECTING ROD

Part Number: MAN-14163-1

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Connecting Rods, ROD-ACURA 1.8 V-TEC T/T

Part Number: MAN-14414-1

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Estimated Ship Date: Feb 23, 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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Connecting Rod, ROD-5.4L 6.657 300M I BEAM

Part Number: MAN-15321-1

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Estimated Ship Date: Feb 23, 2026 if ordered today

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