Manley Engines & Components

Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.494 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12854-1

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Valve, Intake, Stainless Steel, 2.300 in. Head Diameter, 5.594 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-12878-1

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Valve, Intake, 2.350 in. Diameter, Stainless Steel, 0.350 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12880-1

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Valve Locks, Machined, Steel, 6 Degree, 1-Groove Beadlock, 6mm Valve Stem, Set of 16

Part Number: MAN-13012-8

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Valve Locks, Machined, Steel, 6 Degree, 1-Groove Beadlock, 6mm Valve Stem, Set of 16

Part Number: MAN-13014-8

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Valve Locks, LOC-BEAD 7 DEG .3715 LocCap

Part Number: MAN-13392-1

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Valve Lock, LocCap, Machined, Steel, 7 Degree, 1-Groove, 0.372 in. Valve Stem, Pair

Part Number: MAN-13395-1

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SINGLE SPRING

Part Number: MAN-221418-1

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Valve Spring, NexTek, Dual, 1.640 in. O.D., 647 lbs./in. Rate, 1.070 in. Coil Bind Height, Polished, Each

Part Number: MAN-221424P-1

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SPRING-1425 POLISHED

Part Number: MAN-221425P-1

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SPRING-1.125 SINGLE

Part Number: MAN-221427-1

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SPRING-1.311 SINGLE HEMI

Part Number: MAN-221431-1

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Kit-SPRING-HEMI Drag Pak .650 LIFT

Part Number: MAN-221431X-1

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SINGLE SPRING

Part Number: MAN-221432-1

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SPRING- SINGLE 1.175

Part Number: MAN-221437-1

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Valve Springs, SPRING-B SERIES NON V

Part Number: MAN-22120-1

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Valve, Intake, Race Master, Stainless Steel, 1.457 in. Diameter, 0.275 in. Stem, 5.339 in. Length, Each

Part Number: MAN-11616-1

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Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.522 in. Length, Each

Part Number: MAN-11515-1

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Valve, Intake, NK-842 Stainless Steel, 1.496 in. Diameter, .275 in. Stem, 5.339 in. Length, Ford, Each

Part Number: MAN-11618-1

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Valve, Intake, Severe Duty, Stainless Steel, 2.250 in. Diameter, 0.372 in. Stem, 5.433 in. Length, Each

Part Number: MAN-11534-1

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INSTALL INSERTED TIP

Part Number: MAN-04020-8

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BACK CUT TITANIUM VALVE

Part Number: MAN-04035-8

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Valves, Intake, Stainless Steel, 1.300 in. Diameter, .236 in. Stem, 3.992 in. Length, Mazda, Set of 8

Part Number: MAN-11102-1

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Valves, Exhaust, Stainless Steel, 1.142 in. Diameter, .236 in. Stem, 3.996 in. Length, Mazda, Set of 8

Part Number: MAN-11103-1

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Valves, Intake, Stainless Steel, 1.339 in. Diameter, .236 in. Stem, 3.992 in. Length, Mazda, Set of 8

Part Number: MAN-11104-1

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