Manley Engines & Components

Valve Springs, Dual, 1.580 in. Outside Diameter, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Each

Part Number: MAN-221443P-1

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Valve Spring, Dual, 1.610 in. Outside Diameter, 546 lbs./in. Rate, 1.220 in. Coil Bind Height, Each

Part Number: MAN-221444-1

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SPRING-1444 POLISHED

Part Number: MAN-221444P-1

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SPRING-1.620 DOUBLE

Part Number: MAN-221445P-1

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Valve Spring, Nex Tek, Dual, 1.400 in. Outside Diameter, 575 lbs/in., Each

Part Number: MAN-221446SF-1

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Valve Spring, Triple, 1.677 in. Outside Diameter, 720 lbs./in. Rate, 1.142 in. Coil Bind Height, Each

Part Number: MAN-221449-1

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SPRING-1.550 DOUBLE

Part Number: MAN-221452SF-1

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SPRING-1454 POLISHED

Part Number: MAN-221454P-1

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SPRING-1.500 DOUBLE

Part Number: MAN-221457-1

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Valve Locks, LOC-BEAD SUPER 7 .3110 LocCap

Part Number: MAN-13551-1

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Valve Locks, LOC-BEAD SUPER 7 .3415 LocCap

Part Number: MAN-13561-1

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Valves, VALVE-BBC S/D 2.300

Part Number: MAN-12780-1

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VALVE-S/D 2.300,+.200

Part Number: MAN-12784-1

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Valves, VALVE-S/D 2.250

Part Number: MAN-12802-1

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VALVE-BBC S/D 1.940

Part Number: MAN-12803-1

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Valves, VALVE-S/D 1.900,+.100

Part Number: MAN-12811-1

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Valves, VALVE-BBC S/D 1.900

Part Number: MAN-12817-1

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Valve, Intake, 2.325 in. Diameter, Stainless Steel, 0.250 in. Over Installed Length, Chevy, Big Block, Each

Part Number: MAN-12838-1

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Valves, VALVE-S/D 2.300,+.100

Part Number: MAN-12842-1

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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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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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