Manley Engines & Components

Piston, Forged, Flat, 4.030 in. Bore, Chevy, Each

Part Number: MAN-590630R-1

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Piston, Forged, Flat, 4.035 in. Bore, Chevy, Each

Part Number: MAN-590635L-1

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Valves, Race Master, 15 degree Dish, XH-426 Stainless Steel, 1.260 in. Head Diameter, 4.405 in. Length, Set of 4

Part Number: MAN-11649-4

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VALVE-VW R/M 40mm

Part Number: MAN-11650B-4

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VALVE-VW R/M 33mm

Part Number: MAN-11651-4

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VALVE-VW R/M 33mm

Part Number: MAN-11651B-4

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Valves, VALVE-E/D DURAMAX DIESEL 1.300

Part Number: MAN-11609-1

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Valves, VALVE-FD 3V E/D 37.5mm BEAD LO

Part Number: MAN-11631B-1

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Valves, VALVE-FD 3V E/D 38.5mm BEAD LO

Part Number: MAN-11633B-1

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VALVE-L-92 R/F 2.165 HOLLOW

Part Number: MAN-11620H-1

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Valves, Intake, NK-842 Stainless, 42mm Diameter, .313 in. Stem, 4.405 in. Length, Set of 4

Part Number: MAN-11652-4

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VALVE-VW R/M 43.7mm

Part Number: MAN-11654-4

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Valves, Exhaust, XH-426 Stainless, 37.5mm Diameter, .313 in. Stem, 4.405 in. Length, Set of 4

Part Number: MAN-11655-4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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VALVE-VW IV R/M 48mm

Part Number: MAN-11658B-4

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VALVE-VW IV R/M 38mm

Part Number: MAN-11659B-4

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VALVE-VW R/M 50mm

Part Number: MAN-11662-4

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VALVE-VW R/M 50mm

Part Number: MAN-11662B-4

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Valves, VALVE-E/D 1.625,+.300

Part Number: MAN-11721-1

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Valves, VALVE-E/D 1.625,+.400

Part Number: MAN-11725-1

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Valves, VALVE-E/D 1.950

Part Number: MAN-11729B-1

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VALVE-E/D 1.900,+.100

Part Number: MAN-11733-1

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VALVE-E/D 1.940,+.100

Part Number: MAN-11741-1

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Valves, VALVE-CHRY HEMI 6.4L R/F 2.180

Part Number: MAN-12332HB-1

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Valves, VALVE-LS-1 P/F 2.055 HOLLOW

Part Number: MAN-11680H-1

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Valves, VALVE-LS-1 P/F 2.100 HOLLOW

Part Number: MAN-11684H-1

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