Manley Engines & Components

Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8

Part Number: MAN-11587-8

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Nex Tek Valve Springs/ Titanium Retainers, Super Gas/Comp/Big Block Bracket, Kit

Part Number: MAN-261424

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Valves, Exhaust, XH-432 Stainless, 1.880 in. Diameter, .3415 in. Stem, 5.522 in. Length, Set of 8

Part Number: MAN-11737-8

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Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.422 in. Length, Chevy, Ford, Set of 8

Part Number: MAN-11743-8

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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: May 11, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590630-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Valves, Exhaust, XH-432 Xtreme Alloy, 1.880 in. Head Diameter, 5.454 in. Length, Chevy, Big Block, Set of 8

Part Number: MAN-11731-8

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590130-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8

Part Number: MAN-590035-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: MAN-590860-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8

Part Number: MAN-590535-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: MAN-590540-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590230-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8

Part Number: MAN-590660-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590530-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Valve, Exhaust, Extreme Duty, XH-432 Xtreme Alloy, 1.90 in Diameter, 0.3415 in. Stem, 6.45 in Length, Set of 8

Part Number: MAN-11597-8

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Estimated Ship Date: May 11, 2026 if ordered today

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Valves, Exhaust, XH-432 Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.015 in. Length, Set of 8

Part Number: MAN-11599-8

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: MAN-590240-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590730-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Valve, Intake, Stainless Steel, 1.900 in. Diameter, 0.342 in. Stem, 5.522 in. Length, Chevrolet, Set of 8

Part Number: MAN-11739-8

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Estimated Ship Date: May 11, 2026 if ordered today

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Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8

Part Number: MAN-590135-8

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Estimated Ship Date: May 8, 2026 if ordered today

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Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: MAN-590030-8

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Estimated Ship Date: May 8, 2026 if ordered today

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VALVE-E/D 1.625,+.200

Part Number: MAN-11715-8

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Estimated Ship Date: May 11, 2026 if ordered today

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