Manley Engines & Components

Pistons, PIST-CUST 3.875-4.250

Part Number: MAN-581400-6

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 10 Degree Lock, 1.295 in. Spring O.D., Kit

Part Number: MAN-26361634KS

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Estimated Ship Date: Dec 31, 2025 if ordered today

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Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 10 Degree Lock, 1.311 in. Spring O.D., Kit

Part Number: MAN-26380638KS

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PIST-CUST 3.551-3.700

Part Number: MAN-488000-8

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VALVE-HOLLOW STEM 11612

Part Number: MAN-11612H-8

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VALVE-HOLLOW STEM 11612 B/L

Part Number: MAN-11612HB-8

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Valves, Intake, Stainless Steel, 2.200 in. Diameter, .311 in. Stem, 5.750 in. Length, Universal, Set of 8

Part Number: MAN-11224H-8

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VALVE-GEN II 39mm

Part Number: MAN-11265-8

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VALVE-GEN II R/F 2.125 .3125

Part Number: MAN-11272H-8

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VALVE-GEN II 56.5mm HOLLOW STE

Part Number: MAN-11274H-8

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Valves, VALVE-GEN II E/D 1.650 HD/6.10

Part Number: MAN-11285-8

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Valves, Intake, Stainless Steel, 2.400 in. Diameter, .311 in. Stem, 6.300 in. Length, Universal, Set of 8

Part Number: MAN-11264H-8

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KIT-NexTek SPRING

Part Number: MAN-261454L

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KIT-NexTek SPRING

Part Number: MAN-261454

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Pistons, PIST-CUST SPORT COMPACT

Part Number: MAN-581200-4

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Pistons, PIST-CUST SPORT COMPACT

Part Number: MAN-581600-4

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Pistons, PIST-CUST SPORT COMPACT

Part Number: MAN-581700-4

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Pistons, PIST-CUST 99mm-104mm SUBARU

Part Number: MAN-582100SC-4

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Valves, VALVE-CUSTOM TI .3130

Part Number: MAN-11938M-4

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Valves, VALVE-CUSTOM TI .3130

Part Number: MAN-11937M-4

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Valve Spring and Retainer Kits, KIT-CHEVY LS VALVE TRAIN KIT

Part Number: MAN-26351048KS

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Pistons, PIST-CUST 98.5mm-108mm

Part Number: MAN-581400SC-4

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Pistons, PIST-CUST 98.5mm-108mm

Part Number: MAN-581800SC-4

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