Manley Engines & Components

VALVE-GEN II S/D 56.5mm

Part Number: MAN-11274-1

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Estimated Ship Date: Dec 3, 2025 if ordered today

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Valve Spring Locators, Inside, Steel, .062 in. Thick, 1.535 in. O.D., .570 in. I.D., Set of 16

Part Number: MAN-42332-16

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Valve Spring Locators, Inside, Steel, .062 in. Thick, 1.570 in. O.D., .635 in. I.D, .825 in. Shoulder, Set of 16

Part Number: MAN-42369-16

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Valve Spring Locators, Inside, 0.567 in. I.D., 1.410 in. O.D., Set of 16

Part Number: MAN-42446-16

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Valves, Exhaust, Extreme Duty Series, Stainless, 1.600 in. Diameter, 0.314 in. Stem, Chevy, 6.2L, Set of 8

Part Number: MAN-12357-1

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Connecting Rod, Forged 4340 Steel, H-Beam, Bushed, Cap Screw, Chevy, Dodge, Each

Part Number: MAN-14056R-1

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Piston, PIST-1.280 CD/FT 4.030

Part Number: MAN-591730L-1

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VALVE SPRINGS

Part Number: MAN-23402-16

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Valve Spring Retainer, Hardened 4140 Chomoly Steel, 10 Degree, 1.550 in. Outside Diameter, .710 in. Inside Diameter, Set of 16

Part Number: MAN-23659-16

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Dec 3, 2025 if ordered today

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Piston, PIST-1.280 CD/FT 4.030

Part Number: MAN-591730R-1

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Connecting Rod Bushing, Bronze, 0.991 in. I.D., Chevy, Big Block, Set of 8

Part Number: MAN-42327-8

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Estimated Ship Date: Dec 3, 2025 if ordered today

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SINGLE VALVE

Part Number: MAN-11685-1

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, PIST-HEMI 6.4/DISHED/4.095 COA

Part Number: MAN-599805DC-1

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Estimated Ship Date: Dec 4, 2025 if ordered today

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Piston, PIST-HEMI 6.4/DISHED/4.095 COA

Part Number: MAN-599805PC-1

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Valve Locks, Captiv-Loc, Machined, Titanium, 7 Degree, 1-Groove Beadlock, 5/16 in. Valve Stem, Set of 16

Part Number: MAN-13033T-8

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Estimated Ship Date: Dec 4, 2025 if ordered today

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SPRING CUPS

Part Number: MAN-42141-16

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Estimated Ship Date: Dec 3, 2025 if ordered today

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BOLT-7/16 ARP 625 PLUS 1.450

Part Number: MAN-42252-1

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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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Estimated Ship Date: Dec 4, 2025 if ordered today

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

Part Number: MAN-221449P-1

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Valve Spring, Triple, 1.677 in. Outside Diameter, 770 lbs./in. Rate, 1.142 in. Coil Bind Height, Each

Part Number: MAN-221450-1

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Valve Springs, Triple, 1.677 in. Outside Diameter, 770 lbs./in. Rate, 1.142 in. Coil Bind Height, Each

Part Number: MAN-221450P-1

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SPRING-1.522 DOUBLE

Part Number: MAN-221460-1

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SPRING-1.540 DOUBLE

Part Number: MAN-221461-1

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Valve Spring, Single, 1.100 in. Outside Diameter, 294 lbs./in. Rate, 0.950 in. Coil Bind Height, Each

Part Number: MAN-22190-16

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Estimated Ship Date: Dec 4, 2025 if ordered today

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