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Manley Severe Duty Series Stainless Steel Valves 11880-1

Valves, Intake, NK-844, 2.350 in. Diameter, 0.342 in. Stem, 5.610 in. Length, Chevy, Set of 8

Part Number: MAN-11880-1

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Manley Severe Duty Series Stainless Steel Valves 11815-1

Valve, Exhaust, Stainless Steel, 1.880 in. Diameter, .341 in. Stem, 5.522 in. Length, Chevy, Each

Part Number: MAN-11815-1

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Manley Race Master Valves 11870-1

VALVE-R/M 2.300,+.250

Part Number: MAN-11870-1

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Manley Severe Duty Series Stainless Steel Valves 11856-1

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.494 in. Length, Chevy, Each

Part Number: MAN-11856-1

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Manley Severe Duty Series Stainless Steel Valves 11850-1

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.344 in. Length, Chevy, Each

Part Number: MAN-11850-1

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Manley Race Master Valves 11814-1

Valve, Intake, NK-842 Stainless, 2.250 in. Diameter, .3415 in. Stem, 5.344 in. Length, Each

Part Number: MAN-11814-1

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Manley Race Series Stainless Steel Valves 11501-1

Valve, Exhaust, Stainless Steel, 1.560 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11501-1

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Manley Race Series Stainless Steel Valves 11522-1

Valve, Intake, Stainless Steel, 1.940 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11522-1

5.0 out of 5 stars ( 1 )

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Manley Race Series Stainless Steel Valves 11680-1

Valve, Race, NK-844 Stainless Steel, Intake, 2.055 in. Diameter, 4.874 in. Length, Chevy, Each

Part Number: MAN-11680-1

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

Manley Race Master Valves 11689-1

VALVE DATS

Part Number: MAN-11689-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11677-1

Valve, Severe Duty, XH-426 Stainless Steel, Exhaust, 1.600 in. Diameter, 4.923 in. Length, Each

Part Number: MAN-11677-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11682-1

Valves, Intake, XH-428 Stainless, 2.080 in. Head Diameter, 4.874 in. Length, Chevy, 5.7, 6.0L, Set of 8

Part Number: MAN-11682-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Race Series Stainless Steel Valves 11661-1

Valve, Race, XH-426 Stainless Steel, Exhaust, 1.590 in. Diameter, 4.923 in. Length, Set of 8

Part Number: MAN-11661-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 11686-1

Valve, Intake, Stainless Steel, 2.165 in. Diameter, .313 in. Stem, 4.900 in. Length, Each

Part Number: MAN-11686-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Manley Race Series Stainless Steel Valves 11620-8

5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Scorpion Narrow Body Self-Aligning Rocker Arms SCP1079-1

Scorpion Narrow Body Self-Aligning Rocker Arms SCP1079-1

1.3 SBC 3/8 Self-Aligning Blue Race Single Rocker Arm w/ Polylock

Part Number: SCC-SCP1079-1

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Manley NexTek Valve Springs 221438-1

Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Each

Part Number: MAN-221438-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Pro Flo Series Stainless Steel Valves 12358-1

Valves, Intake, Stainless Steel, 1.930 in. Diameter, .3133 in. Stem, 5.232 in. Length, LS 5.3L, Set of 8

Part Number: MAN-12358-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Manley Severe Duty Series Stainless Steel Valves 11511-1

Valve, Exhaust, XH-428 Stainless Steel, 1.625 in. Head Diameter, 5.465 in. Length, Chevy, Small Block, Each

Part Number: MAN-11511-1

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Manley Race Series Stainless Steel Valves 11877-1

Valve, Exhaust, Stainless Steel, 1.600 in. Diameter, .341 in. Stem, 5.065 in. Length, Chevy, Each

Part Number: MAN-11877-1

Not Yet Reviewed

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Manley Race Series Stainless Steel Valves 11500-1

Valve, Intake, Stainless Steel, 2.000 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11500-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Race Series Stainless Steel Valves 11568-1

Valve, Intake, Stainless Steel, 2.055 in. Diameter, .341 in. Stem, 4.911 in. Length, Chevy, Each

Part Number: MAN-11568-1

Not Yet Reviewed

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Manley Severe Duty Series Stainless Steel Valves 12339-1

Valves, VALVE-BRODIX BB 383 1.850

Part Number: MAN-12339-1

Not Yet Reviewed

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Manley Severe Duty Pro Flo Series Stainless Steel Valves 11766-1

VALVE-S/D 2.150,+.600

Part Number: MAN-11766-1

Not Yet Reviewed

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Manley Severe Duty Series Stainless Steel Valves 11878-1

Valve, Intake, Stainless Steel, 2.300 in. Diameter, .341 in. Stem, 5.610 in. Length, Chevy, Each

Part Number: MAN-11878-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Manley Extreme Duty Series Stainless Steel Valves 11802-1

Valve, Intake, Stainless Steel, 2.250 in. Diameter, .341 in. Stem, 5.244 in. Length, Chevy, Ford, Each

Part Number: MAN-11802-1

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

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